# Bell Helicopter Textron Canada 206L-4 - Type: Aircraft model (FAA registry) - Registry code: 1181455 - Manufacturer (registry): BELL HELICOPTER TEXTRON CANADA - Model: 206L-4 - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Turbo-shaft - Seats: 5 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS H2SW](https://openairdocs.org/tcds/H2SW) (OpenAirDocs) - Holder: Bell Textron Canada Limited - Registered aircraft: 103 - Page: https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024 - [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023 - [AD 2023-06-05](https://openairdocs.org/ad/2023-06-05): Tail Rotor Drive Shaft · Bell Textron Canada 206A, 206A-1 (OH-58A), 206B and 5 more. Effective May 19, 2023 - [AD 2022-22-08](https://openairdocs.org/ad/2022-22-08): Main Rotor Blades · Main rotor blade assembly P/N 20633000-101 (Van Horn STC SR02684LA). Effective Dec 23, 2022 - [AD 2022-20-04](https://openairdocs.org/ad/2022-20-04): Tail Rotor Drive Shaft · Bell Textron Canada 206, 206A, 206A-1 (OH-58A) and 6 more. Effective Dec 23, 2022 - [AD 2021-24-15](https://openairdocs.org/ad/2021-24-15): Tail Rotor Drive Shaft · Bell Textron Canada 206L-1, 206L-3 and 206L-4 with STC SH2750NM. Effective Jan 18, 2022 - [AD 2021-19-01](https://openairdocs.org/ad/2021-19-01): Cabin Equipment/Furnishings · Shoulder harness restraint system (Bell Helicopter Textron STC SH2073SO or SH2751SO). Effective Oct 13, 2021 - [AD 2021-15-06](https://openairdocs.org/ad/2021-15-06): Tail Rotor Drive · Bell Textron Canada 206A, 206B, 206L and 3 more. Effective Aug 27, 2021 - [AD 2021-10-08](https://openairdocs.org/ad/2021-10-08): Fuel Quantity Sensor · Bell Textron Canada 206L, 206L-1, 206L-3 and 1 more. Effective Jun 11, 2021 - [AD 2019-08-10](https://openairdocs.org/ad/2019-08-10): Main Rotor Drive System · Bell Helicopter Textron Canada 206A, 206B, 206L and 4 more. Effective Jun 24, 2019 - [AD 2018-25-17](https://openairdocs.org/ad/2018-25-17): Air Conditioning System Wiring · Airbus Helicopters 206A, 206B, 206L and 13 more. Effective Jan 22, 2019 - [AD 2017-05-04](https://openairdocs.org/ad/2017-05-04): Tension Torsion Strap · Bell Helicopter Textron Canada 206A, 206B, 206L and 3 more. Effective Mar 17, 2017 - [AD 2015-17-02](https://openairdocs.org/ad/2015-17-02): Main Rotor Drive System · Bell Helicopter Textron Canada 206L-4, 407, 427 and 1 more. Effective Sep 24, 2015 - [AD 2015-12-02](https://openairdocs.org/ad/2015-12-02): Turbine Section · Bell Helicopter Textron Canada 206L-1, 206L-3 and 206L-4. Effective Jul 14, 2015 - [AD 2014-02-02](https://openairdocs.org/ad/2014-02-02): Main Rotor Blades · Bell Helicopter Textron Canada 206L, 206L-1, 206L-3 and 1 more. Effective Mar 7, 2014 - [AD 2013-25-10](https://openairdocs.org/ad/2013-25-10): Rotorcraft Tailboom · Bell Helicopter Textron Canada 206L, 206L-1, 206L-3 and 1 more. Effective Jan 31, 2014 - [AD 2013-22-21](https://openairdocs.org/ad/2013-22-21): Emergency Flotation Section · Apical Industries, Inc. Emergency Float Kits (Dart Aerospace ULC STC SR01535LA). Effective Dec 13, 2013 - [AD 2013-22-01](https://openairdocs.org/ad/2013-22-01): Main Rotor Drive System · Bell Helicopter Textron Canada 206L-4 and 407. Effective Dec 5, 2013 - [AD 2013-18-06](https://openairdocs.org/ad/2013-18-06): Main Rotor Control · Bell Helicopter Textron Canada 206A, 206B, 206L and 10 more. Effective Oct 17, 2013 - [AD 2013-02-01](https://openairdocs.org/ad/2013-02-01): Rotorcraft Servo System · Bell Helicopter Textron Canada 206L, 206L-1, 206L-3 and 1 more. Effective Feb 7, 2013 - [AD 2012-12-11](https://openairdocs.org/ad/2012-12-11): Engine EFT/TOT Indicating System · Supplemental lighting system (Aviation Specialties Unlimited STC SR01383SE). Effective Jul 24, 2012 - [AD 2012-02-51](https://openairdocs.org/ad/2012-02-51): Main rotor blades · Bell Helicopter Textron Canada 206L, 206L-1, 206L-3 and 1 more. Effective May 4, 2012 - [AD 2011-25-01](https://openairdocs.org/ad/2011-25-01): Liferafts · Agusta AB412, AB412 EP, 206A and 23 more. Effective Jan 17, 2012 - [AD 2010-26-51](https://openairdocs.org/ad/2010-26-51): Tail rotor blade · Bell Helicopter Textron Canada 206A, 206B, 206L and 10 more. Effective Mar 25, 2011 - [AD 2009-07-52](https://openairdocs.org/ad/2009-07-52): Cyclic control lever assembly · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 7 more. Effective May 1, 2009 - [AD 2008-14-06](https://openairdocs.org/ad/2008-14-06): Horizontal stabilizers · Bell Helicopter Textron Canada 206L, 206L-1, 206L-3 and 2 more. Effective Aug 14, 2008 - [AD 2008-14-03](https://openairdocs.org/ad/2008-14-03): Tailboom attachment · Bell Helicopter Textron Canada 206A, 206B, 206L and 3 more. Effective Aug 14, 2008 - [AD 2007-01-06](https://openairdocs.org/ad/2007-01-06): Tail rotor blade (blade) · Bell Helicopter Textron Canada 206A, 206B, 206L and 3 more. Effective Feb 13, 2007 - [AD 2005-21-03](https://openairdocs.org/ad/2005-21-03): Tail rotor blade (blade) root doublers (doublers) · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 5 more. Effective Nov 21, 2005 - [AD 2003-13-14](https://openairdocs.org/ad/2003-13-14): Chip detector · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 5 more. Effective Aug 12, 2003 - [AD 2002-25-07](https://openairdocs.org/ad/2002-25-07): Tailboom skins · Bell Helicopter Textron Canada 206L, 206L-1, 206L-3 and 1 more. Effective Jan 27, 2003 - [AD 2002-20-05](https://openairdocs.org/ad/2002-20-05): Rescue hoists · Agusta A109, A109A, A109A II and 31 more. Effective Nov 7, 2002 - [AD 2001-20-03](https://openairdocs.org/ad/2001-20-03): Tail Rotor Static Stop Yield Indicator · Bell Helicopter Textron Canada 206L-4. Effective Nov 7, 2001 - [AD 99-17-19](https://openairdocs.org/ad/99-17-19): Mast And Trunnion · Bell Helicopter Textron Canada 206L, 206L-1, 206L-3 and 1 more. Effective Sep 24, 1999 - [AD 99-13-10](https://openairdocs.org/ad/99-13-10): Hydraulic Relief Valve · Bell Helicopter Textron Canada 206L-4. Effective Aug 2, 1999 - [AD 99-13-03](https://openairdocs.org/ad/99-13-03): Collective Idler Link Or Lever · Bell Helicopter Textron Canada 206L-4. Effective Jul 2, 1999 - [AD 95-11-14](https://openairdocs.org/ad/95-11-14): Crosstubes · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 5 more. Effective Jun 30, 1995 - [AD 94-20-03](https://openairdocs.org/ad/94-20-03): Main Rotor Hub Trunnion · Bell Helicopter Textron Canada 206A, 206B, 206B-1 and 4 more. Effective Oct 11, 1994 - [AD 94-15-07](https://openairdocs.org/ad/94-15-07): Main Rotor Blades · Bell Helicopter Textron Canada 206A, 206B, 206L and 3 more. Effective Aug 26, 1994 - [AD 80-08-04](https://openairdocs.org/ad/80-08-04): Auxiliary Fuel System · Chadwick C-20 auxiliary fuel system (Phoenix Air-Atlanta STC SH129WE or SH139WE). Effective Apr 17, 1980 Historical (superseded or no longer in force): - [AD 2021-26-08](https://openairdocs.org/ad/2021-26-08) (historical): Tail Rotor Drive Shaft · Bell Textron Canada 206, 206A, 206A-1 and 7 more. Effective Jan 27, 2022 - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021 - [AD 2009-08-03](https://openairdocs.org/ad/2009-08-03) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 206A, 206B, 206L and 10 more. Effective Apr 24, 2009 - [AD 2009-07-51](https://openairdocs.org/ad/2009-07-51) (historical): Lever assembly bearing · Bell Helicopter Textron 206A, 206A-1 (OH-58A), 206B and 7 more - [AD 2007-19-52](https://openairdocs.org/ad/2007-19-52) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 206A, 206B, 206L and 10 more. Effective Dec 5, 2007 - [AD 2004-24-08](https://openairdocs.org/ad/2004-24-08) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 206A, 206B, 206L and 3 more. Effective Dec 16, 2004 - [AD 2001-13-51](https://openairdocs.org/ad/2001-13-51) (historical): Driveshafts · Bell Helicopter Textron Canada 206L-4, 407 and 427. Effective Oct 9, 2001 - [AD 99-13-12](https://openairdocs.org/ad/99-13-12) (historical): Tailboom Skin For Cracks Inspection · Bell Helicopter Textron 206L, 206L-1, 206L-3 and 1 more. Effective Jul 9, 1999 ## Information bulletins (advisory) (9) - [SAIB SW-19-05](https://openairdocs.org/saib/SW-19-05): Tail Rotor Drive System, Spline Damage. Issued Apr 4, 2019 - [SAIB SW-18-02](https://openairdocs.org/saib/SW-18-02): Loss of Hardware Tail Rotor Drive Shaft Couplings. Issued Nov 2, 2017 - [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012 - [SAIB SW-10-42R1](https://openairdocs.org/saib/SW-10-42R1): Emergency Float Kits. Issued Aug 11, 2010 - [SAIB SW-10-42](https://openairdocs.org/saib/SW-10-42) (historical): Emergency Float Kits. Issued Aug 5, 2010 - [SAIB SW-08-42](https://openairdocs.org/saib/SW-08-42): Emergency Float with Liferaft Kits (kits). Issued Aug 27, 2008 - [SAIB SW-05-87](https://openairdocs.org/saib/SW-05-87): . Issued Sep 30, 2005 - [SAIB SW-05-24](https://openairdocs.org/saib/SW-05-24): . Issued Dec 22, 2004 - [SAIB SW-04-92](https://openairdocs.org/saib/SW-04-92): . Issued Sep 30, 2004 ## Registered aircraft (103, first 50) - [N137MM](https://openairdocs.org/aircraft/N137MM): [Aircraft Guaranty Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORP%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 2009, S/N 52396 - [N13NN](https://openairdocs.org/aircraft/N13NN): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2008, S/N 52380 - [N164AE](https://openairdocs.org/aircraft/N164AE): [Textron Financial Corp](https://openairdocs.org/faa-owner/TEXTRON%20FINANCIAL%20CORP), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 2018, S/N 52494 - [N165AE](https://openairdocs.org/aircraft/N165AE): [Textron Financial Corp](https://openairdocs.org/faa-owner/TEXTRON%20FINANCIAL%20CORP), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 2018, S/N 52495 - [N166AE](https://openairdocs.org/aircraft/N166AE): [Textron Financial Corp](https://openairdocs.org/faa-owner/TEXTRON%20FINANCIAL%20CORP), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 2018, S/N 52496 - [N193AL](https://openairdocs.org/aircraft/N193AL): [Blade Leasing LLC](https://openairdocs.org/faa-owner/BLADE%20LEASING%20LLC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 2006, S/N 52344 - [N19BH](https://openairdocs.org/aircraft/N19BH): [Abc Helicopters Inc](https://openairdocs.org/faa-owner/ABC%20HELICOPTERS%20INC), [Jefferson, WI](https://openairdocs.org/faa-place/WI/Jefferson), built 2008, S/N 52370 - [N202TP](https://openairdocs.org/aircraft/N202TP): [Heartland Aviation LLC](https://openairdocs.org/faa-owner/HEARTLAND%20AVIATION%20LLC), [Ada, OK](https://openairdocs.org/faa-place/OK/Ada), built 2007, S/N 52364 - [N206FC](https://openairdocs.org/aircraft/N206FC): [Alpha Bravo Two LLC](https://openairdocs.org/faa-owner/ALPHA%20BRAVO%20TWO%20LLC), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 2010, S/N 52420 - [N206LJ](https://openairdocs.org/aircraft/N206LJ): [Johnson Flying Service LLC](https://openairdocs.org/faa-owner/JOHNSON%20FLYING%20SERVICE%20LLC), [Exira, IA](https://openairdocs.org/faa-place/IA/Exira), built 2009, S/N 52394 - [N227MH](https://openairdocs.org/aircraft/N227MH): [Delta Southern Resource Leasing LLC](https://openairdocs.org/faa-owner/DELTA%20SOUTHERN%20RESOURCE%20LEASING%20LLC), [Baton Rouge, LA](https://openairdocs.org/faa-place/LA/Baton%20Rouge), built 2009, S/N 52391 - [N238SR](https://openairdocs.org/aircraft/N238SR): [Apple Realty Group Inc](https://openairdocs.org/faa-owner/APPLE%20REALTY%20GROUP%20INC), [Richmond, VA](https://openairdocs.org/faa-place/VA/Richmond), built 2015, S/N 52469 - [N301JA](https://openairdocs.org/aircraft/N301JA): [Jaars Inc](https://openairdocs.org/faa-owner/JAARS%20INC), [Waxhaw, NC](https://openairdocs.org/faa-place/NC/Waxhaw), built 2006, S/N 52341 - [N316MH](https://openairdocs.org/aircraft/N316MH): [Maritime Helicopters Inc](https://openairdocs.org/faa-owner/MARITIME%20HELICOPTERS%20INC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 2006, S/N 52323 - [N318RL](https://openairdocs.org/aircraft/N318RL): [Ocean Air Helicopters Inc](https://openairdocs.org/faa-owner/OCEAN%20AIR%20HELICOPTERS%20INC), [Port Orford, OR](https://openairdocs.org/faa-place/OR/Port%20Orford), built 2005, S/N 52318 - [N336AE](https://openairdocs.org/aircraft/N336AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2012, S/N 52436 - [N346BF](https://openairdocs.org/aircraft/N346BF): [State Of Washington](https://openairdocs.org/faa-owner/STATE%20OF%20WASHINGTON), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 2007, S/N 52346 - [N352TC](https://openairdocs.org/aircraft/N352TC): [Hillsborough County Board Of County Commissioners](https://openairdocs.org/faa-owner/HILLSBOROUGH%20COUNTY%20BOARD%20OF%20COUNTY%20COMMISSIONERS), [Tampa, FL](https://openairdocs.org/faa-place/FL/Tampa), S/N 52390 - [N355AE](https://openairdocs.org/aircraft/N355AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2011, S/N 52425 - [N378JC](https://openairdocs.org/aircraft/N378JC): [Longranger IV LLC](https://openairdocs.org/faa-owner/LONGRANGER%20IV%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 2013, S/N 52448 - [N385RL](https://openairdocs.org/aircraft/N385RL): [San Juan Aviation LLC](https://openairdocs.org/faa-owner/SAN%20JUAN%20AVIATION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2008, S/N 52385 - [N399AE](https://openairdocs.org/aircraft/N399AE): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2016, S/N 52490 - [N399MH](https://openairdocs.org/aircraft/N399MH): [Blade Leasing LLC](https://openairdocs.org/faa-owner/BLADE%20LEASING%20LLC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1993, S/N 52016 - [N402AE](https://openairdocs.org/aircraft/N402AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2009, S/N 52393 - [N404AE](https://openairdocs.org/aircraft/N404AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2011, S/N 52434 - [N405LP](https://openairdocs.org/aircraft/N405LP): [Gm Leasing Co LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 1994, S/N 52085 - [N407AE](https://openairdocs.org/aircraft/N407AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2009, S/N 52409 - [N408AE](https://openairdocs.org/aircraft/N408AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2009, S/N 52408 - [N409AE](https://openairdocs.org/aircraft/N409AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2010, S/N 52413 - [N410AE](https://openairdocs.org/aircraft/N410AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2012, S/N 52435 - [N414AE](https://openairdocs.org/aircraft/N414AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2009, S/N 52404 - [N415AE](https://openairdocs.org/aircraft/N415AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2009, S/N 52399 - [N416AE](https://openairdocs.org/aircraft/N416AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2009, S/N 52403 - [N417AE](https://openairdocs.org/aircraft/N417AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2014, S/N 52463 - [N418AE](https://openairdocs.org/aircraft/N418AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2009, S/N 52405 - [N420AE](https://openairdocs.org/aircraft/N420AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2014, S/N 52461 - [N422AE](https://openairdocs.org/aircraft/N422AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2014, S/N 52462 - [N423AE](https://openairdocs.org/aircraft/N423AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2011, S/N 52423 - [N424AE](https://openairdocs.org/aircraft/N424AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2011, S/N 52424 - [N426AE](https://openairdocs.org/aircraft/N426AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2011, S/N 52426 - [N429AE](https://openairdocs.org/aircraft/N429AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2011, S/N 52428 - [N42SL](https://openairdocs.org/aircraft/N42SL): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2008, S/N 52377 - [N430AE](https://openairdocs.org/aircraft/N430AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2011, S/N 52430 - [N431AE](https://openairdocs.org/aircraft/N431AE): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2012, S/N 52441 - [N434AE](https://openairdocs.org/aircraft/N434AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [Lewisville, TX](https://openairdocs.org/faa-place/TX/Lewisville), built 2013, S/N 52450 - [N435AE](https://openairdocs.org/aircraft/N435AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2012, S/N 52446 - [N436AE](https://openairdocs.org/aircraft/N436AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2012, S/N 52447 - [N437AE](https://openairdocs.org/aircraft/N437AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [Lewisville, TX](https://openairdocs.org/faa-place/TX/Lewisville), built 2013, S/N 52449 - [N438AE](https://openairdocs.org/aircraft/N438AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2012, S/N 52445 - [N440AE](https://openairdocs.org/aircraft/N440AE): [Air Evac Ems Inc](https://openairdocs.org/faa-owner/AIR%20EVAC%20EMS%20INC), [O Fallon, MO](https://openairdocs.org/faa-place/MO/O%20Fallon), built 2013, S/N 52453 All 103: https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4/aircraft.md ## NTSB investigations (12) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ERA26LA194](https://openairdocs.org/ntsb/ERA26LA194), Apr 30, 2026: Bell Helicopter Textron Canada 206L-4 (N409AE), Chapmansboro, TN, substantial damage. Probable cause: Failure of the volunteer fire department personnel to properly monitor and secure a stretcher, which resulted in it rolling into the helicopter’s tail rotor. - [NTSB CEN24LA017](https://openairdocs.org/ntsb/CEN24LA017), Oct 17, 2023: Bell Helicopter Textron Canada 206L-4 (N490AE), Mitchell, IN, substantial damage. Probable cause: The inflight collision with a bird while in cruise flight. - [NTSB ANC23LA071](https://openairdocs.org/ntsb/ANC23LA071), Sep 5, 2023: Bell Helicopter Textron Canada 206L-4 (N193AL), King Salmon, AK, substantial damage. Probable cause: The failure of both pilots to see and avoid while en route, which resulted in a midair collision. - [NTSB CEN23LA385](https://openairdocs.org/ntsb/CEN23LA385), Aug 27, 2023: Bell Helicopter Textron Canada 206 (N19BH), Hibbing, MN, substantial damage. Probable cause: The ground crew’s failure to secure the backpack at the landing zone (LZ), that resulted in the tail rotor impacting the backpack during the landing. Contributing to the accident was the pilot’s… - [NTSB CEN22LA294](https://openairdocs.org/ntsb/CEN22LA294), Jun 30, 2022: Bell Helicopter Textron Canada 206L-4 (N378JC), Idabel, OK, substantial damage. Probable cause: The pilot’s failure to apply full power during the practice autorotation recovery, which resulted in a hard landing. - [NTSB CEN22LA122](https://openairdocs.org/ntsb/CEN22LA122), Feb 12, 2022: Bell 206 (N469AE), Eldorado, IL, minor damage. Probable cause: Overheating of two lithium batteries in the paramedic’s flight suit pocket resulting in an explosion and fire that seriously injured the paramedic as the helicopter was about to take off. - [NTSB ERA19LA171](https://openairdocs.org/ntsb/ERA19LA171), May 15, 2019: Bell 206 (N26BB), New York, NY, substantial damage. Probable cause: The pilot's failure to compensate for adverse wind on final approach, which resulted in a loss of tail rotor effectiveness and aircraft control. - [NTSB CEN16LA168](https://openairdocs.org/ntsb/CEN16LA168), Apr 25, 2016: Bell Helicopter Textron Canada 206 L4 (N435AE), Houston, TX, substantial damage. Probable cause: The pilot's failure to maintain directional control during takeoff in varying wind conditions, which resulted in a hard landing. - [NTSB ERA14LA248](https://openairdocs.org/ntsb/ERA14LA248), May 21, 2014: Bell Helicopter Textron Canada 206 L4 (N55SL), Beverly, MA, substantial damage. Probable cause: Maintenance personnel’s inadequate inspection of the engine’s outer combustion case, which resulted in the failure of the case due to fatigue cracks that initiated on the inside surface of the case… - [NTSB CEN13LA359](https://openairdocs.org/ntsb/CEN13LA359), Jun 19, 2013: Bell 206 - L4 (N467AE), Lake City, AR, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal… - [NTSB ERA11IA436](https://openairdocs.org/ntsb/ERA11IA436), Aug 1, 2011: Bell 206 (N484AE), Relience, TN, incident, minor damage. Probable cause: Inadvertent contact with wires due to the lack of visual cues regarding their presence and the low angle of the sun, which was directly in the takeoff path. - [NTSB CEN09LA198](https://openairdocs.org/ntsb/CEN09LA198), Mar 2, 2009: Bell 206 (N410RL), Galliano, LA, substantial damage. Probable cause: The failure of the tail rotor driveshaft and coupling during engine start due to the mechanic's failure to properly reattach the tail rotor driveshaft and coupling during maintenance. ## FAA accident and incident reports (22) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20260430005769A](https://openairdocs.org/incident/20260430005769A), Apr 30, 2026: Bell Helicopter Textron Canada 206L-4 (N409AE), Chapmansboro, TN, Substantial damage. After responding to an emergency event, patient was loaded into aircraft with aircrew personnel. EMS personnel lost control of medical eqiupment (stretcher)… - [Incident 20231018020369I](https://openairdocs.org/incident/20231018020369I), Oct 18, 2023: Bell Helicopter Textron Canada 206L-4 (N13NN), Kenosha, WI, Minor damage. Aircraft departed non-movement area at the Kenosha Regional Airport (kenw) Kenosha, WI for a south departure. At apprproximately 3.5 miles south of the airport… - [Accident 20231017012299A](https://openairdocs.org/incident/20231017012299A), Oct 17, 2023: Bell Helicopter Textron Canada 206L-4 (N490AE), Mitchell, IN, Substantial damage. On October 17, 2023 at approximately 1050 eastern standard time a Bell helicopter was enroute (1,000 AGL) back to base from iu methodist, Indiana, when a large… - [Accident 20230904010442A](https://openairdocs.org/incident/20230904010442A), Sep 4, 2023: Bell Helicopter Textron Canada 206L-4 (N193AL), King Salmon, AK, Substantial damage. Helicopter departed pakn at 3:55P on a course of 065* toward paho with current ATIS info (it was the first clear sky VFR day in several days). Rotor wing pilot… - [Accident 20230827012319A](https://openairdocs.org/incident/20230827012319A), Aug 27, 2023: Bell Helicopter Textron Canada 206L-4 (N19BH), Hibbing, MN, Substantial damage. The helicopter sustained substantial damage to both tail rotor blades and the tail rotor hub when it was operating at a remote, unimproved landing zone (lz).… - [Incident 20230321002719I](https://openairdocs.org/incident/20230321002719I), Mar 21, 2023: Bell Helicopter Textron Canada 206L-4 (N473AE), Richmond, KY, No damage. On March 21, 2023, at 1233HRS EDT, a bht 206 L-4, while being used for helicopter air ambulance operations, had to accomplish a precautionary landing (pl) at… - [Accident 20220630011539A](https://openairdocs.org/incident/20220630011539A), Jun 30, 2022: Bell Helicopter Textron Canada 206L-4 (N378JC), Idabel, OK, Substantial damage. On June 30, 2022 at 0900 CDT, a pilot and flight instructor were performing practice autorotations to runway 2 at the Idabel airport. After touchdown on the… - [Accident 20220211000219A](https://openairdocs.org/incident/20220211000219A), Feb 11, 2022: Bell Helicopter Textron Canada 206L-4 (N469AE), Eldorado, IL, Minor damage. The haa crew was picking up a patient from a hospital. The flight medic carried her personal vap device lithium batteries in her pocket. After buckling in, the… - [Incident 20200807017779I](https://openairdocs.org/incident/20200807017779I), Aug 7, 2020: Bell Helicopter Textron Canada 206L-4 (N55SL), Windham, NH, No damage. At approximately 1315 EDT, pilot and a photographer departed the beverly airport for londonderry, NH to record some video of a vehicle crash. After departing… - [Incident 20200605006779I](https://openairdocs.org/incident/20200605006779I), Jun 5, 2020: Bell Helicopter Textron Canada 206L-4 (N490AE), Louisville, KY, No damage. 6/5/2020 N490AE departed from base AE017 paoli, IN, experienced an electrical system failure while en route to norton children?s hospital in Louisville, KY… - [Accident 20190515011069A](https://openairdocs.org/incident/20190515011069A), May 15, 2019: Bell Helicopter Textron Canada 206L-4 (N26BB), New York, NY, Destroyed. On may 15, 2019, this office received notification of a Bell 206 N26BB crashed into the hudson river shoreline. One person on board. (PIC). FAA teterboro… - [Incident 20180721017459I](https://openairdocs.org/incident/20180721017459I), Jul 21, 2018: Bell Helicopter Textron Canada 206L-4 (N316MH), Kavik, AK, Minor damage. Pilot was manuevering the helicopter up a hill and into a gulley to pick up additional passengers. As the pilot approached the gully he encountered some… - [Incident 20180112000709I](https://openairdocs.org/incident/20180112000709I), Jan 12, 2018: Bell Helicopter Textron Canada 206L-4 (N336AE), Elton, LA, No damage. On 12 January 2018 at 16:33 CST a BHT-206-L4 helicopter made an emergency landing one mile north west of Elton, Louisiana after the pilot suffered an… - [Incident 20160807014149I](https://openairdocs.org/incident/20160807014149I), Aug 7, 2016: Bell Helicopter Textron Canada 206L-4 (N415AE), Mesquite, TX, No damage. On August 7, 2016, a Bell 206L4 operated by air evac was en route from a scene flight southeast of terrell airport (ktrl) to the dfw area. The flight path from… - [Incident 20160613005529I](https://openairdocs.org/incident/20160613005529I), Jun 13, 2016: Bell Helicopter Textron Canada 206L-4 (N202TP), Osage, OK, Minor damage. The aircraft departed on an instructional flight from Downtown Airpark Tulsa to practice maneuvers in the local area. The nearest weather reporting station,… - [Accident 20160425015169A](https://openairdocs.org/incident/20160425015169A), Apr 25, 2016: Bell Helicopter Textron Canada 206L-4 (N435AE), Katy, TX, Substantial damage. The evolution began at the Memorial Hermann helicopter pad with the aircraft on a west heading. The PIC had returned from refueling at sgr to pick-up the crew.… - [Accident 20140521007809A](https://openairdocs.org/incident/20140521007809A), May 21, 2014: Bell Helicopter Textron Canada 206L-4 (N55SL), Beverly, MA, Substantial damage. At approximately 1011 local time on may 21, 2014, N55SL a Bell 206 L4 (serial number 52347) was scheduled to operate as a news gathering flight in the… - [Accident 20130619010259A](https://openairdocs.org/incident/20130619010259A), Jun 19, 2013: Bell Helicopter Textron Canada 206L-4 (N467AE), Lake City, AR, Substantial damage. On June 19, 2013, at 1620 CDT, a Bell 206L-4, N467AE, registered to jp morgan chase bank and operated by air evac EMS, inc., experienced a power loss/hard… - [Incident 20130424005269I](https://openairdocs.org/incident/20130424005269I), Apr 24, 2013: Bell Helicopter Textron Canada 206L-4 (N610TP), Clearwater, FL, Minor damage. During a training flight using the Bell helicopter instructor pilot on board, pilot executed a precision auto rotation with a 180 degree turn to an improved… - [Incident 20110801016359I](https://openairdocs.org/incident/20110801016359I), Aug 1, 2011: Bell Helicopter 206L-4 (N484AE), Reliance, TN, Minor damage. This was a scene flight from a field not designated as a heliport. The fire department had cleared the landing zone and was standing by with the ground… - [Incident 20100914051709I](https://openairdocs.org/incident/20100914051709I), Sep 14, 2010: Bell Helico 206L-4 (N385RL), Substantial damage. During departure from an oil rig in the gulf of Mexico, the aircraft experience a compressor stall and vibration. The pilot inflated the helicopter floats and… - [Accident 20090302002519A](https://openairdocs.org/incident/20090302002519A), Mar 2, 2009: Bell 206L4 (N410RL), Galliano, LA, Substantial damage. (-23) A mechanic had performed maintenance on the tail rotor drive shaft, to be exact, the nr 7 drive shaft and the whole gar-lock seal cover input assembly… ## Service difficulty reports (710, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR EVCA20261029001](https://openairdocs.org/sdr/EVCA20261029001), Oct 29, 2026: BLOWER MOTOR. NOT REPORTED. BURING SMELL WHEN TURNING ON AIR COND. - [SDR EVCA202608250001](https://openairdocs.org/sdr/EVCA202608250001), Aug 24, 2026: BLOWER MOTOR. UNSERVICEABLE. BURNING ELECTRICAL ODOR IN THE CABIN. BLOWER MOTOR UNSERVICABLE. - [SDR EVCA202606010001](https://openairdocs.org/sdr/EVCA202606010001), Jun 1, 2026: UNKNOWN. ODOR. PILOT DEPARTED BASE WITH NO CREW ON BOARD. SHORTLY AFTER DEPARTURE HE SMELLED FUEL IN CABIN AND PERFORMED A PRECAUTIONARY LANDING AT LOCAL MUNICIPAL AIRFIELD. P - [SDR 2026FA0000413](https://openairdocs.org/sdr/2026FA0000413), May 20, 2026: CHECK VALVE. STUCK. UPON REMOVAL OF THE OIL CHECK VALVE FOR ROUTINE TESTING, THE AMT NOTICED NO OIL FLOWED OUT OF THE LINE GOING TO THE 6&7 BEARING. THE CHECK VALVE WAS FOUND TO BE - [SDR EVCA202602230001](https://openairdocs.org/sdr/EVCA202602230001), Feb 21, 2026: CLOCK. UNSERVICEABLE. A STEADY STREAM OF SMOKE WAS OBSERVED COMING FROM THE INSTRUMENT PANEL CLOCK. - [SDR EVCA202511060001](https://openairdocs.org/sdr/EVCA202511060001), Oct 31, 2025: FUEL CELL. CONTAMINATED. FUEL SMELL IN CABIN, FOUND RESIDUAL FUEL ON FUEL CELL FROM PREVIOUSLY PERFORMED MAINTENANCE. - [SDR EVCA20251028001](https://openairdocs.org/sdr/EVCA20251028001), Oct 27, 2025: FITTING. INSTALLED. UPPER L/H TAILBOOM ATTACHMENT FITTING CRACKED - [SDR EVCA2025082300001](https://openairdocs.org/sdr/EVCA2025082300001), Aug 21, 2025: BLOWER MOTOR. ODOR. INTERMITTENT ELECTRICAL SMELL - [SDR EVCA20250820001](https://openairdocs.org/sdr/EVCA20250820001), Aug 18, 2025: INVERTER. ODOR. INTERMITTENT ELECTRICAL SMELL - [SDR EVCA202250515001](https://openairdocs.org/sdr/EVCA202250515001), May 9, 2025: STIFFENER. CRACKED. STATION 145 CLIP IS CRACKED IN MULTIPLE RIVET HOLES ON THE LH SIDE. - [SDR EVCA20250117001](https://openairdocs.org/sdr/EVCA20250117001), Jan 17, 2025: STIFFENER. CRACKED. LH FS 145 & STIFFENER CLIP CRACKED - [SDR EVCA202501070020](https://openairdocs.org/sdr/EVCA202501070020), Jan 7, 2025: BULKHEAD. CRACKED. RH FS 145 BULKHEAD & STIFFENER CLIP CRACKED - [SDR EVCA2025010700001](https://openairdocs.org/sdr/EVCA2025010700001), Dec 30, 2024: STIFFENER. CRACKED. STATION 145 CLIP IS CRACKED IN MULTIPLE RIVET HOLES ON THE LH SIDE. - [SDR EVCA20241204002](https://openairdocs.org/sdr/EVCA20241204002), Dec 1, 2024: BULKHEAD. CRACKED. LH FS 145 CRACKED - [SDR EVCA202411250001](https://openairdocs.org/sdr/EVCA202411250001), Nov 25, 2024: STIFFENER. CRACKED. RH FS 145 & STIFFENER CLIP CRACKED. - [SDR EVCA20241119001](https://openairdocs.org/sdr/EVCA20241119001), Nov 15, 2024: SKIN. DAMAGED. BIRD STRIKE WHILE IN CRUISE FLIGHT RETURNING TO BASE. PILOT LANDED IN FIELD NEAR FORUM AR. AMT NOTED DAMAGE TO VERTICAL FIN LOWER LEADING EDGE. REPLACED VERTICA - [SDR EVCA20241021001](https://openairdocs.org/sdr/EVCA20241021001), Oct 20, 2024: FUEL LINE. WORN. FUEL SMELL IN THE CABIN. FUEL LINE WAS FOUND TO HAVE A WORN FLARE THAT CAUSED IT TO SEEP. - [SDR MHR22024092400733](https://openairdocs.org/sdr/MHR22024092400733), Sep 24, 2024: BEARING. FLAKING. TRANSMISSION ASSEMBLY HAD METAL IN OIL. - [SDR EVCA20240903001](https://openairdocs.org/sdr/EVCA20240903001), Sep 2, 2024: BLOWER MOTOR. ODOR. STRONG ELECTRICAL BURNING SMELL IN CABIN. TURNED OFF THE AC AND THE SMELL WENT AWAY. - [SDR EVCA202408200002](https://openairdocs.org/sdr/EVCA202408200002), Aug 20, 2024: BULKHEAD. CRACKED. RH FS 145 & STIFFENER CLIP CRACKED - [SDR EVCA202408200001](https://openairdocs.org/sdr/EVCA202408200001), Aug 20, 2024: BULKHEAD. CRACKED. LH FS 145 & STIFFENER CLIP CRACKED - [SDR EVCA202408120001](https://openairdocs.org/sdr/EVCA202408120001), Aug 6, 2024: ATTACH FITTING. CRACKED. UPPER LEFT TAILBOOM ATTACHMENT FITTING, TAILBOOM SIDE, CRACKED FROM EDGE TO EDGE ACROSS TWO FWD OUTBOARD RIVETS - [SDR EVCA20240810001](https://openairdocs.org/sdr/EVCA20240810001), Jul 31, 2024: STIFFENER. CRACKED. THE STATION 145 CLIP IS CRACKED BY A RIVET HOLE ON THE RIGHT HAND SIDE. - [SDR EVCA202405280001](https://openairdocs.org/sdr/EVCA202405280001), May 28, 2024: NOT REPORTED. CRACKED. UPON INSPECTION OF RIVETS, FOUND CRACK IN STRUCTURE AT APPROXIMATELY STA 155, BL 13-16, WL 71-73 UNDERNEATH L/H REAR NODAL BEAM DECK MOUNT. - [SDR EVCA202406060001](https://openairdocs.org/sdr/EVCA202406060001), May 23, 2024: BULKHEAD. CRACKED. LH FS 145 CRACKED - [SDR EVCA2024060501](https://openairdocs.org/sdr/EVCA2024060501), May 20, 2024: STIFFENER. CRACKED. LH AFT VERTICAL STIFFENER CRACKED - [SDR EVCA0202450300024](https://openairdocs.org/sdr/EVCA0202450300024), Apr 30, 2024: RIVET. SHEARED. RIVET SHEARED ON TRANSMISSION DECK, LEFT HAND SIDE NEXT TO LEFT REAR NODAL BEAM SUPPORT. UPON INSPECTION OF RIVETS, FOUND CRACK IN STRUCTURE AT APPROXIMATELY ST - [SDR EVCA20240426401](https://openairdocs.org/sdr/EVCA20240426401), Apr 24, 2024: EXHAUST STACK. WARPED. WARPING IN ENGINE EXHAUST STACK. - [SDR EVCA202401240001](https://openairdocs.org/sdr/EVCA202401240001), Jan 24, 2024: STIFFENER. CRACKED. L/H FS 145 STIFFENER CLIP CRACKED. - [SDR EVCA20231204002](https://openairdocs.org/sdr/EVCA20231204002), Dec 4, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD AND OUTBOARD TRIM TAB CRACKED - [SDR EVCA202312040001](https://openairdocs.org/sdr/EVCA202312040001), Dec 4, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED - [SDR EVCA2023110931](https://openairdocs.org/sdr/EVCA2023110931), Nov 8, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED - [SDR EVCA202311090001](https://openairdocs.org/sdr/EVCA202311090001), Nov 8, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TAB CRACKED - [SDR EVCA20231027002](https://openairdocs.org/sdr/EVCA20231027002), Oct 26, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TABS CRACKED. - [SDR EVCA20231027001](https://openairdocs.org/sdr/EVCA20231027001), Oct 26, 2023: BLADE. CRACKED. VAN HORN M/R BLADE INBOARD TRIM TABS CRACKED. - [SDR EVCA202310020002](https://openairdocs.org/sdr/EVCA202310020002), Sep 30, 2023: MOTOR. UNKNOWN. PILOT REPORTED SMOKE SMELL IN CABIN 2 MIN AFTER DEPARTING HUNTSVILLE HOSPITAL WHILE RETURNING TO BASE. AFTER LANDING DISCUSSION WITH PILOT, THEY THOUGHT IT WAS - [SDR EVCA20230919001](https://openairdocs.org/sdr/EVCA20230919001), Sep 16, 2023: BLADE. CRACKED. HOTIZONTAL CRACK APPROX 4" FOUND ON MAIN ROTOR BLADE ROOT - [SDR 2023F00338](https://openairdocs.org/sdr/2023F00338), Aug 29, 2023: LINK. UNKNOWN. PILOT REPORTED HEARING A LOUD (THUMP NOISE) WHEN THE AIRCRAFT WAS PICKED UP TO A HOVER DURING REPOSITIONING FROM ONE HELI-PAD TO ANOTHER @ KJRB OPERATIONS. WHEN - [SDR EVCA2023083020](https://openairdocs.org/sdr/EVCA2023083020), Aug 29, 2023: BLADE. UNKNOWN. DISCOVERED PERPENDICULAR CRACK 104 INCHES FROM TIP CAP STARTING AT TRAILING EDGE RUNNING UP TO SPAR ON BELL MAIN ROTOR BLADE P/N 206-015-001-119 S/N VL00249530 - [SDR EVCA20230622001](https://openairdocs.org/sdr/EVCA20230622001), Jun 21, 2023: MOTOR. UNKNOWN. SLIGHT ELECTRICAL BURNING SMELL COMING FROM THE AC DUCTING. HAPPENS WITH AC ON OR BLOWER ONLY. - [SDR EVCA202303220001](https://openairdocs.org/sdr/EVCA202303220001), Mar 22, 2023: PAN. LEAKING. FUEL SMELL IN AIRCRAFT CABIN. OIL/FUEL SEEP FOUND UNDER ENGINE PAN. CLEANED, INSPECTED, RESEALED ENGINE PAN DRAIN HOLE. - [SDR EVCA03062023](https://openairdocs.org/sdr/EVCA03062023), Mar 4, 2023: ATTACH FITTING. CRACKED. CRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 50 HOUR INSPECTION - [SDR EVCA03032023](https://openairdocs.org/sdr/EVCA03032023), Mar 3, 2023: ATTACH FITTING. CRACKED. CRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 50 HOUR INSPECTION - [SDR EVCA202301170001](https://openairdocs.org/sdr/EVCA202301170001), Jan 15, 2023: TAIL BOOM. CRACKED. 1/2 INCH CRACK AT UPPER LH INBOARD SIDE OF TAILBOOM RING - [SDR EVCA2023010300002](https://openairdocs.org/sdr/EVCA2023010300002), Jan 2, 2023: EXHAUST DUCT. OUT OF POSITION. CREW REPORTED FUEL/EXHAUST SMELL DURING FLIGHT. UPON FURTHER INVESTIGATION, IT WAS REPORTED THEY HAD A STRONG TAIL WIND AND THE SMELL THEY REPORTED WAS EXHAUST - [SDR EVCA202212090001](https://openairdocs.org/sdr/EVCA202212090001), Dec 8, 2022: ATTACH FITTING. CRACKED. CRACK FOUND IN LT UPPER ATTACHMENT TAILBOOM FITTING DURING 100 HOUR INSPECTION. - [SDR EVCA11232022](https://openairdocs.org/sdr/EVCA11232022), Nov 23, 2022: STIFFENER. CRACKED. LEFT HAND VERTICAL TUNNEL STIFFENER IS CRACKED ON UPPER END - [SDR EVCA20221115002](https://openairdocs.org/sdr/EVCA20221115002), Nov 13, 2022: UNKNOWN. ODOR. JET-A SMELL IN THE ACFT. INSPECTED AIRCRAFT FUEL SYSTEM FOR LEAKS NO DEFECTS NOTED AT THIS TIME, NO FUEL SMELL NOTED AT THIS TIME. ALL WORK IN REFERENCE WITH BH - [SDR EVCA20221111001](https://openairdocs.org/sdr/EVCA20221111001), Nov 11, 2022: ATTACH FITTING. CRACKED. CRACK FOUND IN L/H UPPER ATTACHMENT TAILBOOM FITTING P/N 206-032-409-001P DURING 100 HOUR INSPECTION - [SDR 2VKA202210050001](https://openairdocs.org/sdr/2VKA202210050001), Sep 30, 2022: SUPPORT. CRACKED. CRACK FOUND IN VERTICAL TUNNEL WEB @ RBL 4.0 STA 87.5 WL 67.92. All 710: https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4/reports.md ## STCs that may be installed (OpenAirDocs) (364, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SH2750NM](https://openairdocs.org/stc/SH2750NM): Installation of a Freon type cabin air conditioning system with engine-driven compressor. Air Comm Corporation - [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies - [STC SR00643SE](https://openairdocs.org/stc/SR00643SE): Installation of Geneva Aviation Video System. Turbolyft USA Corporation - [STC SR12375NY](https://openairdocs.org/stc/SR12375NY): Demonstration of Aircraft Equipment Configurations Tolerance to Transmitting Portable Electronic Devices (TPED) in Part 27 Aircraft in accordance with the FAA-approved Rotorcraft Equipment Compatibility List (RECL). Kilroy Aviation, LLC - [STC SR04464NY](https://openairdocs.org/stc/SR04464NY): Installation of the iPad Mount. Avio Design Group Inc - [STC SR00521SE](https://openairdocs.org/stc/SR00521SE): Installation of Geneva Aviation Audio System. AEM USA Inc - [STC SR02301SE](https://openairdocs.org/stc/SR02301SE): Installation of Geneva Aviation 28 - 14 VDC Power Converter. AEM USA Inc - [STC SR02445SE](https://openairdocs.org/stc/SR02445SE): Installation of P178 Failsafe Audio Mixer. AEM USA Inc - [STC SR02684LA](https://openairdocs.org/stc/SR02684LA): Installation of main rotor blade assembly P/N 20633000-101. Van Horn Aviation LLC - [STC SH2617SO](https://openairdocs.org/stc/SH2617SO): Installation of a hat rack safety net assembly, P/N 206-432. Bell Helicopter Textron Inc - [STC SR11898NY](https://openairdocs.org/stc/SR11898NY): Installation of Outerlink Corporation Air IP system. Sterling Helicopter - [STC SR04845NY](https://openairdocs.org/stc/SR04845NY): Installation of a Helifab East Equipment Mount. Helifab East LLC - [STC SR04842NY](https://openairdocs.org/stc/SR04842NY): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS). Sterling Helicopter - [STC SR02809SE](https://openairdocs.org/stc/SR02809SE): Installation of Isolair Inc. Spray System model 3900-206L. Isolair Inc - [STC SR00532SE](https://openairdocs.org/stc/SR00532SE): Installation of Certified Technology quick release door pins. Certified Technology - [STC SH3761SW](https://openairdocs.org/stc/SH3761SW): Installation of enlarged instrument panel. Safran Electronics & Defense Avionics USA LLC - [STC SR00853DE](https://openairdocs.org/stc/SR00853DE): Installation of Fibrotek survey stinger. Upper Limit Aviation - [STC SR04548CH](https://openairdocs.org/stc/SR04548CH): Installation of Appareo Systems AIRS-400 Flight Monitoring System. Appareo Systems - [STC SR00425SE](https://openairdocs.org/stc/SR00425SE): Installation of a satellite phone. Turbolyft USA Corporation - [STC SR00182IB](https://openairdocs.org/stc/SR00182IB): Installation of the Avidyne Integrated Flight Display (IFD) Navigator(s). Horizon Design Services Ltd - [STC SR00891LA](https://openairdocs.org/stc/SR00891LA): Installation of aft utility mount. Airfilm Camera Systems LLC - [STC SR01688LA](https://openairdocs.org/stc/SR01688LA): Installation of Aero Pacific Belly Utility Mount. Airfilm Camera Systems LLC - [STC SR04637CH](https://openairdocs.org/stc/SR04637CH): Replacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control Panel. Airwolf Aerospace LLC - [STC SH3899NM](https://openairdocs.org/stc/SH3899NM): Installation of cabin accessory steps. Dart Aerospace USA Inc - [STC SH5220NM](https://openairdocs.org/stc/SH5220NM): Installation of Freon air conditioning system. Dart Aerospace USA Inc - [STC SH5231NM](https://openairdocs.org/stc/SH5231NM): Installation of external pod, camera mount, and 12 volt power provision. Dart Aerospace USA Inc - [STC SR00106DE](https://openairdocs.org/stc/SR00106DE): Installation and provisions for a nose mounted mini-video camera system and controls. Dart Aerospace USA Inc - [STC SR00196DE](https://openairdocs.org/stc/SR00196DE): Installation of quick-mount snow pads. Dart Aerospace USA Inc - [STC SR00326DE](https://openairdocs.org/stc/SR00326DE): Installation of stabilized camera system. Dart Aerospace USA Inc - [STC SR00611DE](https://openairdocs.org/stc/SR00611DE): Installation of a ram air vent control cable kit in. Dart Aerospace USA Inc - [STC SR00682DE](https://openairdocs.org/stc/SR00682DE): Installation of Augmented Reality System. Dart Aerospace USA Inc - [STC SR02120SE](https://openairdocs.org/stc/SR02120SE): Installation of Garmin GTN 6XX/7XX Navigation System. Garmin International Inc - [STC SR00010DE](https://openairdocs.org/stc/SR00010DE): Installation of anti-torque pedal extensions. Dart Aerospace USA Inc - [STC SR00011DE](https://openairdocs.org/stc/SR00011DE): Installation of a monitor mount assembly to mount a video monitor. (206B S/N 914 and subs). Dart Aerospace USA Inc - [STC SR00159DE](https://openairdocs.org/stc/SR00159DE): Installation of Spectrolab SX-16 searchlight under cargo compartment. Dart Aerospace USA Inc - [STC SR00449DE](https://openairdocs.org/stc/SR00449DE): Installation of removable dual pedal system. Dart Aerospace USA Inc - [STC SR00516DE](https://openairdocs.org/stc/SR00516DE): Installation of mounting hardware. Dart Aerospace USA Inc - [STC SR00654DE](https://openairdocs.org/stc/SR00654DE): Installation of Rotary Latch Seat Belts. Dart Aerospace USA Inc - [STC SH5243NM](https://openairdocs.org/stc/SH5243NM): Installation of hard point for mounting of a Forward Looking Infrared imaging unit or similar external gimbal. Dart Aerospace USA Inc - [STC SR00014DE](https://openairdocs.org/stc/SR00014DE): Installation of Inframetrics IRTV-445G infrared imaging system. Dart Aerospace USA Inc - [STC SR00025DE](https://openairdocs.org/stc/SR00025DE): Installation of a shelf panel. Dart Aerospace USA Inc - [STC SR00033DE](https://openairdocs.org/stc/SR00033DE): Installation of an external mirror. Dart Aerospace USA Inc - [STC SR00169DE](https://openairdocs.org/stc/SR00169DE): Installation of a fuel cap hinge and hardware. (206B S/N 3567 and subsquent). Dart Aerospace USA Inc - [STC SR00375DE](https://openairdocs.org/stc/SR00375DE): Installation of laser mapping system. Dart Aerospace USA Inc - [STC SR00489DE](https://openairdocs.org/stc/SR00489DE): Installation of Paravion Technology PR-206SC-100 engine start counter system. Dart Aerospace USA Inc - [STC SR00104DE](https://openairdocs.org/stc/SR00104DE): Installation of 6 large area cabin windows. DV Aviation Inc - [STC SR01980WI](https://openairdocs.org/stc/SR01980WI): Installation of Garmin GI 275 Multi-Function Instrument. Garmin International Inc - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc - [STC SR00120BO](https://openairdocs.org/stc/SR00120BO): Installation of an OuterLink Corporation CP-3 or CP-3i Satcom System. Outerlink Corporation - [STC SR00365BO](https://openairdocs.org/stc/SR00365BO): Installation of an Outerlink SATCOM Communications and Flight Data Monitoring System KIT B206-SAT-100 or KIT B407-SAT-100. Outerlink Corporation All 364: https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4/stcs.md ## PMA parts (OpenAirDocs) (over 1,000, first 50) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first. - [206EC-210-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180008683320260923123949.0001): Instl – Air Cond Single Fwd Evap (LH) (206 L4 only) – (General Arrangement 206L4 Air Cond System (Torq-Loc). Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026 - [206EC-210-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119609957820260923123949.0001): Instl – Air Cond Single Fwd Evap (RH) (206 L4 only) – (General Arrangement 206L4 Air Cond System (Torq-Loc). Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026 - [206EC-210-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112113032020260923123949.0001): Instl – Air Cond Dual Fwd Evap (206 L4 only) – (General Arrangement 206L4 Air Cond System (Torq-Loc). Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026 - [MDLDL-206H](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107083244720260923124149.0001): Cabin Heater System. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026 - [23511-02VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124645630220260728184230.0001): Screw Cap Socket Head. Vision Air Services, LLC · PMA PQ2075NM · Replaces 23511-02 · Jul 8, 2026 - [206-011-132-113A](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157029258720260618165544.0001): Main Rotor Grip Assembly. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-011-132-113A · May 27, 2026 - [ATBY5V14VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117318159020260527183058.0001): Bearing. Vision Air Services, LLC · PMA PQ2075NM · Replaces C42642-68 · May 11, 2026 - [41001912VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145872229320260501132544.0001): Rod End, Spherical. Vision Air Services, LLC · PMA PQ2075NM · Replaces 41001912 · Apr 15, 2026 - [98020206-5025](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129220331020260325205944.0001): Bell Helicopter 206 NVG Modification Kit. REB Technologies Inc · PMA PQ1018SW · Modification part · Mar 23, 2026 - [109090-000325](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198569213920260202232903.0001): INDUSTRIAL SD CARD, 512GB. Appareo Systems LLC · PMA PQ4000CE · Modification part · Jan 15, 2026 - [67574VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168293892820260120135233.0001): Bearing. Vision Air Services, LLC · PMA PQ2075NM · Replaces 67574 · Jan 7, 2026 - [67560VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137424716420260120135232.0001): Bearing Ball. Vision Air Services, LLC · PMA PQ2075NM · Replaces 67560 · Jan 7, 2026 - [2AA-310-700-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191327412620260107201328.0001): Seal. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-310-700-101 · Jan 5, 2026 - [2AA-040-032-105](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169845768820260107201329.0001): Duplex Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-040-032-105 · Jan 5, 2026 - [2AA-040-272-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166278269320260107201327.0001): Seal Assy. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-040-272-101 · Jan 5, 2026 - [2AA-010-443-001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161373427620260107201329.0001): Duplex Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-010-443-001 · Jan 5, 2026 - [2AA-340-206-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155802986620260107201328.0001): Seal. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-340-206-101 · Jan 5, 2026 - [2AA-011-111-001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135822418020260107201329.0001): Bearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-011-111-001 · Jan 5, 2026 - [2AA-340-104-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123478311420260107201328.0001): Seal. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 206-340-104-101 · Jan 5, 2026 - [535639AA-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115535228420260107201330.0001): Seal. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 535639-10 · Jan 5, 2026 - [4AA-312-100-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114458725720260107201333.0001): FlappingBearing. Able Aerospace Services, Inc. · PMA PQ2487NM · Replaces 407-312-100-101 · Jan 5, 2026 - [RMA-000032-160](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199691214320260225193403.0001): TRACKER CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-220](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196747860220260225193405.0001): MAIN GEARBOX CASE, INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-180](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193182969620260225193404.0001): GROUND CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMMD-000116-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192330602920260225193406.0001): BELL 206 TGB TACH BRACKET. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-230](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189845645320260225193405.0001): MAIN ROTOR SWASH-PLATE, INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-00032-150](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176505659720260225193403.0001): ETHERNET CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-140](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176414415920260225193403.0001): TAIL ROTOR TACH CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-110](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175930578120260225193402.0001): MAIN ROTOR SWASH-PLATE ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-190](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169897018120260225193404.0001): CABIN VERTICAL ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMMD-000095-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169003899220260225193359.0001): GPS ANTENNA BRACKET. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-90](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168276412620260225193401.0001): MAINGEARBOX FORWARD ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-40](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164889868220260225193400.0001): HANGER BEARING 4 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMED-000080-30](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163533474020260225193358.0001): KEY FOB. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-210](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158150502720260225193404.0001): MAIN GEARBOX FORWARD, INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-130](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156226701220260225193402.0001): MAIN ROTOR TACH CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-250](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151555606020260225193405.0001): MAIN ROTOR TACH, INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-70](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147874050920260225193401.0001): HANGER BEARING 7 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-20](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID143714288420260225193400.0001): HANGER BEARING 2 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-170](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137996134820260225193403.0001): POWER CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-80](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131362320320260225193401.0001): TAIL GEARBOX ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-50](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129849570720260225193400.0001): HANGER BEARING 5 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-60](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127640891220260225193401.0001): HANGER BEARING 6 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126079299920260225193402.0001): MAIN GEARBOX CASE ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-30](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116043965120260225193400.0001): HANGER BEARING 3 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-120](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112670640120260225193402.0001): ENGINE GEARBOX ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109659436520260225193359.0001): HANGER BEARING 1 ACCEL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMMD-000139-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109509477720260225193359.0001): EPU LITE ASSEMBLY. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-200](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107314285720260225193404.0001): GPS CABLE. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 - [RMHA-000032-240](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104716139520260225193405.0001): ENGINE GEARBOX, INTL. Sterling Helicopter · PMA PQ10048NE · Modification part · Dec 22, 2025 All of them: https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4/pma.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Bell 206-L4](https://openairdocs.org/model/bell-206-l4): 121 registered aircraft, registry code 1182110 - [Bell Helicopter Textron 206L-4](https://openairdocs.org/model/bell-helicopter-textron-206l-4): 0 registered aircraft, registry code 1183011 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.