# Bell 206-L4 - Type: Aircraft model (FAA registry) - Registry code: 1182110 - Manufacturer (registry): BELL - Model: 206-L4 - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Turbo-shaft - Seats: 7 - 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: 122 - Page: https://openairdocs.org/model/bell-206-l4 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 (122, first 50) - [N108W](https://openairdocs.org/aircraft/N108W): [Weyerhaeuser Nr Co](https://openairdocs.org/faa-owner/WEYERHAEUSER%20NR%20CO), [Eugene, OR](https://openairdocs.org/faa-place/OR/Eugene), built 1993, S/N 52034 - [N10XV](https://openairdocs.org/aircraft/N10XV): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2004, S/N 52293 - [N114SF](https://openairdocs.org/aircraft/N114SF): [N179sf LLC](https://openairdocs.org/faa-owner/N179SF%20LLC), [Chandler, AZ](https://openairdocs.org/faa-place/AZ/Chandler), built 1995, S/N 52154 - [N11TV](https://openairdocs.org/aircraft/N11TV): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Cahokia, IL](https://openairdocs.org/faa-place/IL/Cahokia), built 2004, S/N 52289 - [N121LP](https://openairdocs.org/aircraft/N121LP): [Premier Rotors LLC](https://openairdocs.org/faa-owner/PREMIER%20ROTORS%20LLC), [Saint Martinville, LA](https://openairdocs.org/faa-place/LA/Saint%20Martinville), built 1996, S/N 52177 - [N12AA](https://openairdocs.org/aircraft/N12AA): [Allsouth Aviation LLC](https://openairdocs.org/faa-owner/ALLSOUTH%20AVIATION%20LLC), [Buford, GA](https://openairdocs.org/faa-place/GA/Buford), built 1996, S/N 52165 - [N12BQ](https://openairdocs.org/aircraft/N12BQ): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Cahokia, IL](https://openairdocs.org/faa-place/IL/Cahokia), built 1993, S/N 52012 - [N12JW](https://openairdocs.org/aircraft/N12JW): [Ruffwood Inc](https://openairdocs.org/faa-owner/RUFFWOOD%20INC), [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta), built 1997, S/N 52193 - [N131WM](https://openairdocs.org/aircraft/N131WM): [Westwind Helicopters Inc](https://openairdocs.org/faa-owner/WESTWIND%20HELICOPTERS%20INC), [Santa Fe, TX](https://openairdocs.org/faa-place/TX/Santa%20Fe), built 2005, S/N 52311 - [N13HD](https://openairdocs.org/aircraft/N13HD): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1995, S/N 52152 - [N146SP](https://openairdocs.org/aircraft/N146SP): [Samaritan'S Purse](https://openairdocs.org/faa-owner/SAMARITAN'S%20PURSE), [Boone, NC](https://openairdocs.org/faa-place/NC/Boone), built 2000, S/N 52243 - [N157PA](https://openairdocs.org/aircraft/N157PA): [Patriot Aviation Inc](https://openairdocs.org/faa-owner/PATRIOT%20AVIATION%20INC), [Greenville, DE](https://openairdocs.org/faa-place/DE/Greenville), built 2003, S/N 52241 - [N161SF](https://openairdocs.org/aircraft/N161SF): [Gm Leasing Co LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2006, S/N 52335 - [N169RL](https://openairdocs.org/aircraft/N169RL): [Rotorcraft Leasing Co LLC](https://openairdocs.org/faa-owner/ROTORCRAFT%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 1993, S/N 52063 - [N173MS](https://openairdocs.org/aircraft/N173MS): [Florida Keys Mosquito Control District](https://openairdocs.org/faa-owner/FLORIDA%20KEYS%20MOSQUITO%20CONTROL%20DISTRICT), [Marathon, FL](https://openairdocs.org/faa-place/FL/Marathon), built 2000, S/N 52256 - [N173RL](https://openairdocs.org/aircraft/N173RL): [Rotorcraft Leasing Co LLC](https://openairdocs.org/faa-owner/ROTORCRAFT%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 1993, S/N 52066 - [N175MS](https://openairdocs.org/aircraft/N175MS): [Florida Keys Mosquito Control District](https://openairdocs.org/faa-owner/FLORIDA%20KEYS%20MOSQUITO%20CONTROL%20DISTRICT), [Marathon, FL](https://openairdocs.org/faa-place/FL/Marathon), built 2006, S/N 52326 - [N179RL](https://openairdocs.org/aircraft/N179RL): [Rotorcraft Leasing Co LLC](https://openairdocs.org/faa-owner/ROTORCRAFT%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 1994, S/N 52102 - [N17TW](https://openairdocs.org/aircraft/N17TW): [Whirlybird Aviation LLC](https://openairdocs.org/faa-owner/WHIRLYBIRD%20AVIATION%20LLC), [Bend, OR](https://openairdocs.org/faa-place/OR/Bend), built 1998, S/N 52213 - [N1807](https://openairdocs.org/aircraft/N1807): [Gm Leasing Co LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2007, S/N 52361 - [N1821](https://openairdocs.org/aircraft/N1821): [Gm Leasing Co LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2007, S/N 52366 - [N192RL](https://openairdocs.org/aircraft/N192RL): [Rotorcraft Leasing Co LLC](https://openairdocs.org/faa-owner/ROTORCRAFT%20LEASING%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 1996, S/N 52192 - [N1957Z](https://openairdocs.org/aircraft/N1957Z): [Dakota Rotors LLC](https://openairdocs.org/faa-owner/DAKOTA%20ROTORS%20LLC), [Custer, SD](https://openairdocs.org/faa-place/SD/Custer), built 1994, S/N 52109 - [N1AK](https://openairdocs.org/aircraft/N1AK): [Meridian Investments LLC](https://openairdocs.org/faa-owner/MERIDIAN%20INVESTMENTS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2005, S/N 52317 - [N1TN](https://openairdocs.org/aircraft/N1TN): [Norman Family Investments LLC](https://openairdocs.org/faa-owner/NORMAN%20FAMILY%20INVESTMENTS%20LLC), [Greenville, TX](https://openairdocs.org/faa-place/TX/Greenville), built 1993, S/N 52031 - [N202MH](https://openairdocs.org/aircraft/N202MH): [Southern Utah University](https://openairdocs.org/faa-owner/SOUTHERN%20UTAH%20UNIVERSITY), [Cedar City, UT](https://openairdocs.org/faa-place/UT/Cedar%20City), built 1993, S/N 52057 - [N2036F](https://openairdocs.org/aircraft/N2036F): [Bell Textron Inc](https://openairdocs.org/faa-owner/BELL%20TEXTRON%20INC), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1995, S/N 52123 - [N203EH](https://openairdocs.org/aircraft/N203EH): [Dsl Aviation LLC](https://openairdocs.org/faa-owner/DSL%20AVIATION%20LLC), [Perham, MN](https://openairdocs.org/faa-place/MN/Perham), built 1993, S/N 52023 - [N205GR](https://openairdocs.org/aircraft/N205GR): [Central States Helicopters Inc](https://openairdocs.org/faa-owner/CENTRAL%20STATES%20HELICOPTERS%20INC), [Wood River, NE](https://openairdocs.org/faa-place/NE/Wood%20River), built 1994, S/N 52101 - [N2064S](https://openairdocs.org/aircraft/N2064S): [Agricultural Air Services LLC](https://openairdocs.org/faa-owner/AGRICULTURAL%20AIR%20SERVICES%20LLC), [Jupiter, FL](https://openairdocs.org/faa-place/FL/Jupiter), built 1992, S/N 52002 - [N206SG](https://openairdocs.org/aircraft/N206SG): [Classic Medical Inc](https://openairdocs.org/faa-owner/CLASSIC%20MEDICAL%20INC), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2000, S/N 52240 - [N209CP](https://openairdocs.org/aircraft/N209CP): [Southern Helicopters Inc](https://openairdocs.org/faa-owner/SOUTHERN%20HELICOPTERS%20INC), [Sunshine, LA](https://openairdocs.org/faa-place/LA/Sunshine), built 2006, S/N 52339 - [N20TV](https://openairdocs.org/aircraft/N20TV): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Linden, NJ](https://openairdocs.org/faa-place/NJ/Linden), built 1994, S/N 52084 - [N216MH](https://openairdocs.org/aircraft/N216MH): [Meridian Helicopters LLC](https://openairdocs.org/faa-owner/MERIDIAN%20HELICOPTERS%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2004, S/N 52296 - [N217MH](https://openairdocs.org/aircraft/N217MH): [Meridian Helicopters LLC](https://openairdocs.org/faa-owner/MERIDIAN%20HELICOPTERS%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 1999, S/N 52226 - [N225GH](https://openairdocs.org/aircraft/N225GH): [Rayburn Asset Holdings LLC](https://openairdocs.org/faa-owner/RAYBURN%20ASSET%20HOLDINGS%20LLC), [Mansfield, TX](https://openairdocs.org/faa-place/TX/Mansfield), built 1995, S/N 52143 - [N228PB](https://openairdocs.org/aircraft/N228PB): [Crop Flight LLC](https://openairdocs.org/faa-owner/CROP%20FLIGHT%20LLC), [Divernon, IL](https://openairdocs.org/faa-place/IL/Divernon), built 1993, S/N 52033 - [N230MH](https://openairdocs.org/aircraft/N230MH): [Livingston Parish Sheriff'S Office](https://openairdocs.org/faa-owner/LIVINGSTON%20PARISH%20SHERIFF'S%20OFFICE), [Livingston, LA](https://openairdocs.org/faa-place/LA/Livingston), built 1995, S/N 52146 - [N232MH](https://openairdocs.org/aircraft/N232MH): [Lipsey Helicopter Rental Co LLC](https://openairdocs.org/faa-owner/LIPSEY%20HELICOPTER%20RENTAL%20CO%20LLC), [Chattanooga, TN](https://openairdocs.org/faa-place/TN/Chattanooga), built 1997, S/N 52195 - [N23HX](https://openairdocs.org/aircraft/N23HX): [Willow Shade II Ltd](https://openairdocs.org/faa-owner/WILLOW%20SHADE%20II%20LTD), [Englewood, CO](https://openairdocs.org/faa-place/CO/Englewood), built 2007, S/N 52349 - [N24191](https://openairdocs.org/aircraft/N24191): [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 2000, S/N 52235 - [N27M](https://openairdocs.org/aircraft/N27M): [Helicopters Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1993, S/N 52045 - [N295SJ](https://openairdocs.org/aircraft/N295SJ): [Premier Rotors LLC](https://openairdocs.org/faa-owner/PREMIER%20ROTORS%20LLC), [Saint Martinville, LA](https://openairdocs.org/faa-place/LA/Saint%20Martinville), built 1994, S/N 52059 - [N29WW](https://openairdocs.org/aircraft/N29WW): [Premier Rotors LLC](https://openairdocs.org/faa-owner/PREMIER%20ROTORS%20LLC), [Saint Martinville, LA](https://openairdocs.org/faa-place/LA/Saint%20Martinville), built 1995, S/N 52157 - [N2WE](https://openairdocs.org/aircraft/N2WE): [We Explore LLC](https://openairdocs.org/faa-owner/WE%20EXPLORE%20LLC), [Redlands, CA](https://openairdocs.org/faa-place/CA/Redlands), built 1993, S/N 52027 - [N305MH](https://openairdocs.org/aircraft/N305MH): [Maritime Helicopters Inc](https://openairdocs.org/faa-owner/MARITIME%20HELICOPTERS%20INC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 2004, S/N 52292 - [N311MH](https://openairdocs.org/aircraft/N311MH): [Maritime Helicopters Inc](https://openairdocs.org/faa-owner/MARITIME%20HELICOPTERS%20INC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1996, S/N 52055 - [N314AE](https://openairdocs.org/aircraft/N314AE): [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 1999, S/N 52222 - [N314MH](https://openairdocs.org/aircraft/N314MH): [Blade Leasing LLC](https://openairdocs.org/faa-owner/BLADE%20LEASING%20LLC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1995, S/N 52119 - [N317](https://openairdocs.org/aircraft/N317): [Magic Carpet Aviation LLC](https://openairdocs.org/faa-owner/MAGIC%20CARPET%20AVIATION%20LLC), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio), built 1993, S/N 52014 All 122: https://openairdocs.org/model/bell-206-l4/aircraft.md ## NTSB investigations (30) 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 WPR26LA199](https://openairdocs.org/ntsb/WPR26LA199), May 23, 2026: Bell 206-L4 (N917SU), Cedar City, UT, substantial damage. Probable cause: The flight instructor's failure to maintain helicopter control while manipulating the engine governor reference rpm adjustment during hover operations, which resulted in a loss of control and impact… - [NTSB ERA25MA171](https://openairdocs.org/ntsb/ERA25MA171), Apr 10, 2025: Bell 206L-4 (N216MH), Jersey City, NJ, destroyed, 6 fatal, investigation ongoing - [NTSB WPR24FA132](https://openairdocs.org/ntsb/WPR24FA132), Apr 26, 2024: Bell 206-L4 (N988B), Anaconda, MT, destroyed, 1 fatal. Probable cause: A total loss of engine power due to a loss of cooling oil to the turbine-to-compressor coupling shaft and subsequent fracture of the shaft at an altitude too low for the pilot to complete a… - [NTSB ERA23FA317](https://openairdocs.org/ntsb/ERA23FA317), Jul 29, 2023: Bell 206-L4 (N652HA), Springfield, OH, substantial damage, 1 fatal. Probable cause: The pilot’s failure to remain clear of powerlines during an agricultural spraying operation. - [NTSB ERA23LA309](https://openairdocs.org/ntsb/ERA23LA309), Jul 23, 2023: Bell 206-L4 (N482TJ), Caldwell, OH, substantial damage. Probable cause: The helicopter’s uncontrolled vertical descent and impact with terrain for reasons that could not be determined. - [NTSB ANC23FA056](https://openairdocs.org/ntsb/ANC23FA056), Jul 20, 2023: Bell 206-L4 (N311MH), Wainwright, AK, destroyed, 4 fatal. Probable cause: The pilot's decision to fly at a low altitude over a large body of water toward featureless terrain, which resulted in a loss of visual clues and controlled flight into terrain. - [NTSB CEN23LA064](https://openairdocs.org/ntsb/CEN23LA064), Dec 15, 2022: Bell 206-L4 (N414RL), Gulf of Mexico (Gulf of Mexico), substantial damage. Probable cause: The pilot’s improper takeoff technique that allowed the helicopter skid to drift into a helideck light, resulting in a dynamic rollover. - [NTSB WPR23LA059](https://openairdocs.org/ntsb/WPR23LA059), Dec 7, 2022: Bell 206-L4 (N2036F), Ft Worth, TX, substantial damage. Probable cause: The pilot’s improper landing flare, which resulted in a hard landing. Contributing to the accident, was the flight instructor’s inadequate supervision. - [NTSB GAA19CA209](https://openairdocs.org/ntsb/GAA19CA209), Apr 12, 2019: Bell 206 (N173MS), Big Pine, FL, substantial damage. Probable cause: The pilot's failure to maintain helicopter control while it was being reloaded with the rotors turning in gusting wind conditions, which resulted in a rotor strike with ground equipment. - [NTSB GAA16CA439](https://openairdocs.org/ntsb/GAA16CA439), Aug 18, 2016: Bell 206 L4 (N7898X), Broussard, LA, substantial damage. Probable cause: The pilot's failure to attain a proper touchdown point, which resulted in the helicopter sliding off the aft end of the transport dolly. - [NTSB GAA16CA179](https://openairdocs.org/ntsb/GAA16CA179), Apr 6, 2016: Bell 206 (N73AW), Supai, AZ, substantial damage. Probable cause: The pilot's decision to fly a normal approach and forgetting that the long line remained attached to the helicopter, which resulted in the line snagging on a ridgeline, a loss of lateral control, and… - [NTSB WPR15LA177](https://openairdocs.org/ntsb/WPR15LA177), Jun 2, 2015: Bell 206 L4 (N73AW), Dewey, AZ, substantial damage. Probable cause: A total loss of engine power due to the failure of the No. 2 bearing, which resulted from a fractured separator. - [NTSB WPR15FA072](https://openairdocs.org/ntsb/WPR15FA072), Jan 1, 2015: Bell 206 (N57AW), Benson, AZ, destroyed, 2 fatal. Probable cause: The pilot’s continued visual flight into instrument meteorological conditions which resulted in an inflight collision with terrain. Contributing to the accident was the pilot’s inadequate preflight… - [NTSB WPR14LA374](https://openairdocs.org/ntsb/WPR14LA374), Sep 12, 2014: Bell 206 (N64AW), Tombstone, AZ, substantial damage. Probable cause: A partial loss of engine power during cruise flight due to loose “B” nut fittings and a bent tube as a result of maintenance personnel’s inadequate inspection of the nuts during the most recent… - [NTSB CEN14FA286](https://openairdocs.org/ntsb/CEN14FA286), Jun 11, 2014: Bell 206 L4 (N207MY), South Timbalier Platform, destroyed, 2 fatal. Probable cause: The pilot's loss of helicopter control for reasons that could not be determined based on the available information. - [NTSB CEN13CA276](https://openairdocs.org/ntsb/CEN13CA276), May 10, 2013: Bell 206-L4 (N2036F), Fort Worth, TX, substantial damage. Probable cause: The flight instructor's inadequate supervision and delayed remedial action during a practice autorotation, which resulted in a hard landing. - [NTSB CEN12FA321](https://openairdocs.org/ntsb/CEN12FA321), May 28, 2012: Bell 206-L4 (N7077F), (Gulf of Mexico), substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from an obstacle while landing on an obstructed helipad, which resulted in a collision and loss of control. Contributing to the accident was the failure of… - [NTSB ANC11TA110](https://openairdocs.org/ntsb/ANC11TA110), Sep 23, 2011: Bell 206 B3 (N204PA), Seward, AK, substantial damage. Probable cause: The pilot's failure to maintain clearance from snow-covered terrain during hover in deteriorating weather and flat light conditions, which resulted in a tail rotor strike. - [NTSB ERA11LA297](https://openairdocs.org/ntsb/ERA11LA297), May 13, 2011: Bell 206-L4 (N266P), Mobile Block 114CC, substantial damage. Probable cause: The pilot’s operation of the helicopter with a left, quartering headwind, resulting in conditions conducive to a loss of tail rotor effectiveness. - [NTSB CEN10IA397](https://openairdocs.org/ntsb/CEN10IA397), Jul 12, 2010: Bell 206 (N523RL), Gulf of Mexico, LA, incident, minor damage. Probable cause: Improper reassembly of the collective flight controls by maintenance personnel. Contributing to the incident were inadequate postmaintenance examinations by maintenance personnel and inadequate… - [NTSB CEN09FA193](https://openairdocs.org/ntsb/CEN09FA193), Mar 8, 2009: Bell 206-L4 (N863H), Moundridge, KS, substantial damage, 1 fatal. Probable cause: Inflight collision with terrain for undetermined reasons. - [NTSB CEN09FA086](https://openairdocs.org/ntsb/CEN09FA086), Dec 11, 2008: Bell 206L-4 (N180AL), Sabine Pass, TX, destroyed, 5 fatal. Probable cause: The pilot’s failure to maintain clearance from the water. Contributing to the accident was the inadvertent encounter with instrument meteorological conditions. - [NTSB CEN09FA012](https://openairdocs.org/ntsb/CEN09FA012), Oct 13, 2008: Bell 206 (N6ZV), Conroe, TX, destroyed, 2 fatal. Probable cause: A loss of control for undetermined reasons. - [NTSB DFW06CA058](https://openairdocs.org/ntsb/DFW06CA058), Jan 25, 2006: Bell 206L-4 (N225GH), Fort Worth, TX, substantial damage. Probable cause: The flight instructors failure to maintain main rotor RPM and improper flare, which resulted in a hard landing. - [NTSB FTW02FA099](https://openairdocs.org/ntsb/FTW02FA099), Mar 23, 2002: Bell 206L-4 (N7077B), Eugene Isld 188, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain aircraft control during takeoff. A contributing factor was the pilot's inadequate preflight which resulted in his failure to remove the left front tie down. - [NTSB LAX01LA292](https://openairdocs.org/ntsb/LAX01LA292), Aug 28, 2001: Bell 206-L4 (N995PM), Mesa, AZ, substantial damage. Probable cause: The pilot's improper autorotation in that he failed to attain the proper descent rate resulting in a hard landing and subsequent airframe damage. A factor was the high temperature. - [NTSB SEA00TA182](https://openairdocs.org/ntsb/SEA00TA182), Sep 21, 2000: Bell 206-L4 (N3310), Atlanta, ID, substantial damage. Probable cause: The pilot's failure to maintain clearance from an object. Trees and inadequate ground communications were a factor. - [NTSB FTW98LA274](https://openairdocs.org/ntsb/FTW98LA274), Jun 18, 1998: Bell 206L4 (N8094L), Hurst, TX, substantial damage. Probable cause: The flight instructor's failure to maintain control of the helicopter while attempting to increase the engine RPM while hovering. Factors were the prevailing high winds and the instructor's diverted… - [NTSB FTW95FA116](https://openairdocs.org/ntsb/FTW95FA116), Feb 14, 1995: Bell 206L-4 (N172AL), East Cameron, destroyed, 5 fatal. Probable cause: INADVERTENT FLIGHT BY THE PILOT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC), AND HIS FAILURE TO MAINTAIN CONTROL OF THE HELICOPTER AFTER BECOMING SPATIALLY DISORIENTED. FACTORS RELATED TO THE… - [NTSB BFO94FA135](https://openairdocs.org/ntsb/BFO94FA135), Aug 13, 1994: Bell 206L-4 (N124NH), Whiting, NJ, destroyed, 3 fatal. Probable cause: THE PILOT'S IMPROPER IN-FLIGHT PLANNING/DECISION, FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC), AND SUBSEQUENT SPATIAL DISORIENTATION, WHICH RESULTED IN LOSS OF AIRCRAFT CONTROL. FACTORS… ## FAA accident and incident reports (40) 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 20260523009559A](https://openairdocs.org/incident/20260523009559A), May 23, 2026: Bell 206-L4 (N917SU), Cedar City, UT, Destroyed. A helicopter pilot instructor (who was sitting in the right seat) and student flying a Bell 206L-4, with registration number [privacy data omitted], were… - [Accident 20240426004349A](https://openairdocs.org/incident/20240426004349A), Apr 26, 2024: Bell 206-L4 (N988B), Anaconda, MT, Destroyed, 1 fatal. On April 26, 2024, at 0659 mountain daylight time, a Bell 206-L4, was destroyed when it was involved in an accident near Anaconda, Montana. The pilot was… - [Incident 20230930011289I](https://openairdocs.org/incident/20230930011289I), Sep 30, 2023: Bell 206-L4 (N314AE), Huntsville, AL, No damage. Approximately two minutes after departing Huntsville hospital the crew and pilot of [privacy data omitted], noticed an electrical smoke smell coming through… - [Incident 20230829017329I](https://openairdocs.org/incident/20230829017329I), Aug 29, 2023: Bell 206-L4 (N1807), Paris, TN, No damage. On 8-29-2023 the aircrft was repositioned from AE-94 savanna, TN to AE-123 Paris, TN the aircraft landed without incident at 10:00 am CST. The aircraft was… - [Accident 20230729016109A](https://openairdocs.org/incident/20230729016109A), Jul 29, 2023: Bell 206-L4 (N652HA), Springfield, OH, Substantial damage, 1 fatal. On July 29, 2023, helicopter [privacy data omitted] was performing a 137-agriculture spraying operation on a field south of I70 between e. possum rd and ridge… - [Accident 20230723020759A](https://openairdocs.org/incident/20230723020759A), Jul 23, 2023: Bell 206-L4 (N482TJ), Caldwell, OH, Destroyed. 7/24/2023 Started accident investigation of [privacy data omitted] a Bell 206 L4 helicopter at [privacy data omitted] Caldwell, Ohio. This aircraft is… - [Accident 20230720008019A](https://openairdocs.org/incident/20230720008019A), Jul 20, 2023: Bell 206-L4 (N311MH), Utqiagvik, AK, Destroyed, 4 fatal. While operating under contract for state of Alaska with three department of natural resources passengers on board, a Bell 206L-4 helicopter operated by… - [Accident 20221215013849A](https://openairdocs.org/incident/20221215013849A), Dec 15, 2022: Bell 206-L4 (N414RL), Gulf Of Mexico, LA, Destroyed. On 12/15/2022 the baton rouge flight standards district office was made aware of an aircraft accident in the ship shoal aera of the Gulf Of Mexico, involving a… - [Accident 20221207022479A](https://openairdocs.org/incident/20221207022479A), Dec 7, 2022: Bell 206-L4 (N2036F), Hurst, TX, Substantial damage. Pilot entered autorotation in a Bell 206L4 [privacy data omitted] at 1200 feet and maintained a normal glide and flair. A banging noise was herd comming from… - [Incident 20220507002699I](https://openairdocs.org/incident/20220507002699I), May 7, 2022: Bell 206-L4 (N114SF), Little Rock, AR, Minor damage. Aircraft incident reported via the roc: Tail: LN114SF - survival flight 135 Type: B407 Time: 0145Z LOC: 5NM west of lrf Pax: 1 Rmk: hit bird, broken copilot… - [Incident 20191124023359I](https://openairdocs.org/incident/20191124023359I), Nov 24, 2019: Bell 206-L4 (N1821), Portland, TN, No damage. 11/24/2019 At approximately 15:57 CDT aircraft N1821 had engine loss of power and made a precautionary landing in Portland, Tennessee. The pilot stated that… - [Incident 20180114000819I](https://openairdocs.org/incident/20180114000819I), Jan 14, 2018: Bell BHT-206-L4 (N174RL), No damage. Pilot departed SS227, aircraft engine began to surge and yaw, pilot dropped collective and popped the floats, landed in the gom, evac 1 pax, no damage to… - [Incident 20170906017669I](https://openairdocs.org/incident/20170906017669I), Sep 6, 2017: Bell 206-L4 (N83U), Palm Beach, FL, Minor damage. On 09/06/2017 at about 1521 UTC, aircraft N83U experienced a bird strike at cruise speed while returning to kpbi. Left windscreen was damaged but the aircraft… - [Accident 20160818013349A](https://openairdocs.org/incident/20160818013349A), Aug 18, 2016: Bell 206-L4 (N7898X), Broussard, LA, Substantial damage. Aircraft made a landing approach with a heading of 35 degrees to it's intended landing zone. Two practice landing attempts were performed onto a nearby movable… - [Accident 20160406007419A](https://openairdocs.org/incident/20160406007419A), Apr 6, 2016: Bell 206-L4 (N73AW), Supai, AZ, Substantial damage. On April 06, 2016 around 1610 MST, N73AW, BHT-206-L4 impacted the terrain after attempting to land at the hilltop helipad in Supai, Arizona. The helicopter was… - [Incident 20150708012269I](https://openairdocs.org/incident/20150708012269I), Jul 8, 2015: Bell 206-L4 (N3QY), Sacramento, CA, No damage. Uncommanded shutdown of the engine due to a shorted wire on the "close side" of the fuel shutoff valve seonoid. - [Accident 20150601011989A](https://openairdocs.org/incident/20150601011989A), Jun 1, 2015: Bell 206-L4 (N73AW), Dewey, AZ, Substantial damage. A Bell 206, N73AW, reported engine problems, which caused the aircraft to autorotate in a field near Dewey, AZ., on 6/2/15. The helicopter was owned and… - [Accident 20141231023519A](https://openairdocs.org/incident/20141231023519A), Dec 31, 2014: Bell 206-L4 (N57AW), Benson, AZ, Destroyed, 2 fatal. Helicopter was on a positioning flight from the operator?s main base at geu in glendale AZ to fhu sierra vista municipal airport when it impacted the ground… - [Accident 20140611007949A](https://openairdocs.org/incident/20140611007949A), Jun 11, 2014: Bell 206-L4 (N207MY), Houma, LA, Destroyed, 2 fatal. Pilot and passenger were traveling from oil platform SS266B to platform ST317-A. While on a straight in approach to the platform, the aircraft began to spin to… - [Accident 20130510007049A](https://openairdocs.org/incident/20130510007049A), May 10, 2013: Bell 206-L4 (N2036F), Ft Worth, TX, Substantial damage. Bell helicopter company instructor pilot and customer pilot conducting 180 degree autorotation touchdown training. Customer on the controls allowed airspeed to… - [Incident 20130114001129I](https://openairdocs.org/incident/20130114001129I), Jan 14, 2013: Bell 206-L4 (N401FW), Sunrise, FL, No damage. On Monday, January 14, 2013, [privacy data omitted], pilot in command (PIC), was conducting a patrol flight which originated at marathon airport (mth), monroe… - [Incident 20121119025159I](https://openairdocs.org/incident/20121119025159I), Nov 19, 2012: Bell 206-L4 (N207MY), Pflugerville, TX, Minor damage. The pilot of N207MY, while executing a high hover taxi, backed into a parked a-star helicopter (N79FX) causing minor damage. The pilot stated that he knew that… - [Accident 20120528009049A](https://openairdocs.org/incident/20120528009049A), May 28, 2012: Bell 206-L4 (N7077F), Grand Isle, LA, Destroyed, 1 fatal. On approach to offshore platform helideck pilot hit adjacent drilling rig structure causingdamage to aircraft rotors, loss of tail boom and loss of control.… - [Accident 20110923023089A](https://openairdocs.org/incident/20110923023089A), Sep 23, 2011: Bell 206B (N204PA), Seward, AK, Substantial damage. Pilot stated that he was trying to reach his next landing site on the glacier and at first he could see under the overcast. As he progressed out over the… - [Accident 20110513011549A](https://openairdocs.org/incident/20110513011549A), May 13, 2011: Bell 206-L4 (N266P), Theodore, AL, Substantial damage. The winds were generally from the south, which due to obstructions meant that the departure would necessarily be to either the sw or se. Each departure… - [Incident 20100712051679I](https://openairdocs.org/incident/20100712051679I), Jul 12, 2010: Bell 206-L4 (N523RL), Patterson, LA, No damage. While on final approach to an offshore platform the pilot reported that he was experiencing a collective pitch control malfunction. The helicopter pilot… - [Accident 20090308005799A](https://openairdocs.org/incident/20090308005799A), Mar 8, 2009: Bell 206L4 (N863H), Moundridge, KS, Destroyed, 1 fatal. (-23) On March 8, 2009, approximately 14:25 CST a Bell-206 L-4, N863H, piloted by commercial pilot, was destroyed when it impacted a field approximately 4… - [Accident 20081211852549A](https://openairdocs.org/incident/20081211852549A), Dec 11, 2008: Bell 206L4 (N180AL), Sabine Pass, TX, Destroyed, 5 fatal. The aircraft departed Sabine Pass island operational heliport with 1 pilot and 4 passengers, en route to rig area, west cameron-157, and crashed at or about… - [Accident 20081013850829A](https://openairdocs.org/incident/20081013850829A), Oct 13, 2008: Bell 206L4 (N6ZV), Conroe, TX, Destroyed, 2 fatal. On October 13, 2008, at 1109 central daylight time, a Bell 206L-4, N6ZV, was destroyed when the engine lost power and the helicopter struck trees, impacted… - [Incident 20070810017409I](https://openairdocs.org/incident/20070810017409I), Aug 10, 2007: Bell 206L4 (N23HX), Lawrenceville, GA, Minor damage. (-23) During landing on the platform the pilot looked out the door to line up the skids longways on the platform. When the skids contacted the platform the… - [Accident 20060125000369A](https://openairdocs.org/incident/20060125000369A), Jan 25, 2006: Bell 206L4 (N225GH), Ft Worth, TX, Substantial damage. (-23) Aircraft damage during touchdown autorotation due to low rotor RPM. - [Incident 20030701012859I](https://openairdocs.org/incident/20030701012859I), Jul 1, 2003: Bell 206L4 (N767H), Thayne, WY, Minor damage. (-23) While attempting to land at the refuel site the helicopter struck two power lines. One wire broke and pilot hovered rearward out of contact with the… - [Incident 20021031037269I](https://openairdocs.org/incident/20021031037269I), Oct 31, 2002: Bell 206L4 (N180AL), New Orleans, LA, Minor damage. (-23) The pilot in command reported that immediately after lift-off from the helipad the helicopter rolled to the left. He applied full right cyclic and… - [Accident 20020323005429A](https://openairdocs.org/incident/20020323005429A), Mar 23, 2002: Bell 206L4 (N7077B), Gomex, EI, No damage, 1 fatal. (-23) During takeoff from an offshore, the aircraft lost control and impacted the water and sank. - [Accident 20010828024609A](https://openairdocs.org/incident/20010828024609A), Aug 28, 2001: Bell 206L4 (N995PM), Mesa, AZ, No damage. (-23) The fuel control was replaced @ sdl (main base or oper) and a maint. Test flt. To the ffz airport. Area was then conducted. The pilot was performing… - [Accident 20000921015159A](https://openairdocs.org/incident/20000921015159A), Sep 21, 2000: Bell 206L4 (N3310), Atlanta, ID, No damage. (-23) Helicopter was operating under a forest service contract performing external load work using a belly hook instead of a long line. The helicopter was… - [Accident 19980618014269A](https://openairdocs.org/incident/19980618014269A), Jun 18, 1998: Bell 206L4 (N8094L), Hurst, TX, Substantial damage. Helicopter landed hard and sustained substantial damage. (.4) the flight instructor lost control of the helicopter while demonstrating the technique for… - [Incident 19950215011679I](https://openairdocs.org/incident/19950215011679I), Feb 15, 1995: Bell 206L4 (N7077B), Venice, LA. Narrative: during cruise flight, the torque gauge began fluctuating between 70% and 78%, accompanied by a yawing left and right. This occurred at 10- to 15-… - [Accident 19950214003199A](https://openairdocs.org/incident/19950214003199A), Feb 14, 1995: Bell 206L4 (N172AL), Intercoastal Ci, LA, Destroyed, 5 fatal. Departed oil rig for shore ran into IMC. Helicopter not IFR equipped. Impacted water. Was advised IMC en route. - [Accident 19940812021269A](https://openairdocs.org/incident/19940812021269A), Aug 12, 1994: Bell 206L4 (N124NH), Whiting, NJ, Destroyed, 3 fatal. VFR pilot lost control after flying into fog at night. Went inverted and crashed into wooded area. ## Service difficulty reports (709, newest 50) As reported by operators and repair stations, by the model named in the report. - [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. - [SDR EVCA202209290001](https://openairdocs.org/sdr/EVCA202209290001), Sep 27, 2022: BLOWER MOTOR. ODOR. ELECTRICAL SMELL NOTED DURING FLIGHT. FOUND TO BE THE FORWARD AIR CONDITIONER BLOWER MOTOR. All 709: https://openairdocs.org/model/bell-206-l4/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-206-l4/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Bell Helicopter Textron Canada 206L-4](https://openairdocs.org/model/bell-helicopter-textron-canada-206l-4): 103 registered aircraft, registry code 1181455 - [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.