# N581SC: 1995 Bell 206B - Status: Valid registration - Airframe: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511, 5 seats) - Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020) - Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW) (Bell Textron Canada Limited), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (Rolls-Royce Corporation) (OpenAirDocs) - Serial number: 5201 - Year built: 1995 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, normal - Airworthiness date: February 22, 1995 - Certificate issued: June 16, 2017 - Expires: June 30, 2027 - Mode S code: A77B32 - Registered owner: [Shelby County Sheriffs Office](https://openairdocs.org/faa-owner/SHELBY%20COUNTY%20SHERIFFS%20OFFICE) - Location: [Columbiana, AL](https://openairdocs.org/faa-place/AL/Columbiana) - Owner type: Government - Owner's area on the map: 33.2192° N, 86.6007° W: Placed by OpenAirDocs at the center of ZIP code 35051, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=581SC - Page: https://openairdocs.org/aircraft/N581SC From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Allison 250-C20 model are included. ## ADs that may apply (OpenAirDocs): 95 in force ### Matched by airframe (Bell 206B) - [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 2022-20-04](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 2021-19-01](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 2021-11-01](https://openairdocs.org/ad/2021-11-01): Turbine Section · Bell Textron Canada 206B and 206L. Effective Jul 15, 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 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 2013-18-06](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 2013-18-03](https://openairdocs.org/ad/2013-18-03): Ignition Power Supply · Bell Helicopter Textron Canada 206A, 206B and 206L. Effective Oct 11, 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 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 2008-14-03](https://openairdocs.org/ad/2008-14-03): Tailboom attachment · Bell Helicopter Textron Canada 206A, 206B, 206L and 3 more. Effective Aug 14, 2008 - [AD 2007-25-07](https://openairdocs.org/ad/2007-25-07): Fin support · Bell Helicopter Textron Canada 206A and 206B. Effective Jan 14, 2008 - [AD 2007-23-17](https://openairdocs.org/ad/2007-23-17): Main rotor latch bolts · Bell Helicopter Textron Canada 206A and 206B. Effective Dec 6, 2007 - [AD 2007-22-01](https://openairdocs.org/ad/2007-22-01): Spindle · Bell Helicopter Textron Canada 206A and 206B. Effective Nov 6, 2007 - [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 2005-16-04](https://openairdocs.org/ad/2005-16-04): High forward crosstube · Bell Helicopter Textron Canada 206A and 206B with STC SH1392SO. Effective Sep 12, 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 2002-20-05](https://openairdocs.org/ad/2002-20-05): Rescue hoists · Agusta A109, A109A, A109A II and 31 more. Effective Nov 7, 2002 - [AD 81-18-01 R1](https://openairdocs.org/ad/81-18-01-R1): Trunnion · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 3 more. Effective Jan 15, 2002 - [AD 2001-02-03](https://openairdocs.org/ad/2001-02-03): Raised Forging Boss · Bell Helicopter Textron Canada 206A, 206B, 206L and 2 more. Effective Mar 9, 2001 - [AD 96-06-04](https://openairdocs.org/ad/96-06-04): Driveshaft Assembly Inspection · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 1 more. Effective Apr 25, 1996 - [AD 95-24-06](https://openairdocs.org/ad/95-24-06): Rfms Changes - Autorotation · Bell Helicopter Textron Canada 206B and 206L with STC SH4169NM or 2 others. Effective Dec 27, 1995 - [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 95-09-06](https://openairdocs.org/ad/95-09-06): Fuel Valve Switch · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 4 more. Effective Jun 8, 1995 - [AD 94-24-11](https://openairdocs.org/ad/94-24-11): Tail Rotor Drive Shaft · Bell Helicopter Textron Canada 206A, 206B, 206L and 2 more. Effective Jan 6, 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 94-19-02](https://openairdocs.org/ad/94-19-02): Swashplate Support Assembly · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 4 more. Effective Sep 28, 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 92-09-07](https://openairdocs.org/ad/92-09-07): Vertical Fin Supports · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 1 more. Effective Jun 29, 1992 - [AD 92-06-12](https://openairdocs.org/ad/92-06-12): Transmission Failure · Bell Helicopter Textron Canada 206A, 206B, 206L and 2 more. Effective Apr 13, 1992 - [AD 92-01-05](https://openairdocs.org/ad/92-01-05): Main Rotor Blades · Bell Helicopter Textron Canada 206A, 206B, 206L and 2 more. Effective Feb 5, 1992 - [AD 90-13-01 R1](https://openairdocs.org/ad/90-13-01-R1): Tail Rotor Blade Assembly · Bell Helicopter Textron Canada 206B, 206L, 206L-1 and 1 more. Effective Oct 17, 1991 - [AD 90-21-03](https://openairdocs.org/ad/90-21-03): Tail Rotor Blade Assembly · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 4 more. Effective Aug 14, 1991 - [AD 91-03-12](https://openairdocs.org/ad/91-03-12): Emergency Float Bags · Bell Helicopter Textron Canada 206A, 206B, 206L and 2 more. Effective Feb 28, 1991 - [AD 89-10-11 R1](https://openairdocs.org/ad/89-10-11-R1): Rfm Limitations · Bell Helicopter Textron Canada 206A and 206B. Effective Jul 31, 1989 - [AD 88-23-03](https://openairdocs.org/ad/88-23-03): Tail Rotor Yoke Assembly · Bell Helicopter Textron Canada 206A, 206B, 206B-1 and 3 more. Effective Jul 25, 1989 - [AD 78-11-02 R1](https://openairdocs.org/ad/78-11-02-R1): Rotor Blade Straps · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 4 more. Effective Dec 15, 1988 - [AD 87-10-11](https://openairdocs.org/ad/87-10-11): Main Rotor Mast Assemblies · Bell Helicopter Textron Canada 206A, 206B, 206L and 2 more. Effective Aug 8, 1988 - [AD 86-24-01](https://openairdocs.org/ad/86-24-01): T/R Assembly · Bell Helicopter Textron Canada 206A, 206B and 206L. Effective Dec 15, 1986 - [AD 85-26-06](https://openairdocs.org/ad/85-26-06): Tail Rotor Blades · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 4 more. Effective Jan 31, 1986 - [AD 85-25-01](https://openairdocs.org/ad/85-25-01): Cyclic Control Stick · Bell Helicopter Textron Canada 206A, 206B, 206L and 2 more. Effective Dec 30, 1985 - [AD 80-18-04 R1](https://openairdocs.org/ad/80-18-04-R1): Main Rotor Trunnion · Bell Helicopter Textron Canada 206A, 206A-1 (OH-58A), 206B and 3 more. Effective Nov 24, 1980 ### Matched by engine (Allison 250-C20 series) - [AD 2022-10-06](https://openairdocs.org/ad/2022-10-06): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20C (T63-A-720) and 9 more. Effective Jun 28, 2022 - [AD 2018-13-01](https://openairdocs.org/ad/2018-13-01): Turbine Governor · Rolls-Royce 250-C10 (T63-A-5), 250-C18, 250-C18A and 24 more. Effective Aug 16, 2018 - [AD 2006-16-04](https://openairdocs.org/ad/2006-16-04): Inspection of the fuel nozzle screen · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Sep 7, 2006 - [AD 2006-13-06](https://openairdocs.org/ad/2006-13-06): Gas producer rotor assembly tie bolts · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 16 more. Effective Jul 26, 2006 - [AD 2005-10-13](https://openairdocs.org/ad/2005-10-13): Turbine energy absorbing ring · Rolls-Royce 250-B17B, 250-B17C, 250-B17D and 7 more. Effective Jun 22, 2005 - [AD 2004-26-09](https://openairdocs.org/ad/2004-26-09): Compressor Adaptor Couplings · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 8 more. Effective Feb 8, 2005 - [AD 2001-24-12](https://openairdocs.org/ad/2001-24-12): Helical Torquemeter Gearshaft Assembly · Rolls-Royce 250-B17, 250-B17C, 250-B17D and 13 more. Effective Dec 19, 2001 - [AD 98-24-28](https://openairdocs.org/ad/98-24-28): Main Fuel Control Bellows · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 36 more. Effective Jan 7, 1999 - [AD 96-19-01](https://openairdocs.org/ad/96-19-01): Superior Air Parts Manufacture Approval (PMA) Bearings · Rolls-Royce 250-B15G, 250-B17F, 250-B17F/1 and 17 more. Effective Sep 26, 1996 - [AD 93-25-05](https://openairdocs.org/ad/93-25-05): Driveshaft Flex Coupling Bolts, Bushings, and Nuts · Rolls-Royce 250-C20S with STC SE2352NM. Effective Feb 22, 1994 - [AD 88-17-01](https://openairdocs.org/ad/88-17-01): Fuel Controls · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 26 more. Effective Mar 1, 1989 - [AD 83-03-02 R1](https://openairdocs.org/ad/83-03-02-R1): Slotted Third Stage Turbine Wheels · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 5 more. Effective Feb 28, 1984 - [AD 82-24-05](https://openairdocs.org/ad/82-24-05): Control Assembly and Power Turbine Governor Assembly · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 43 more. Effective Nov 26, 1982 - [AD 82-13-03](https://openairdocs.org/ad/82-13-03): Modify Engine High Pressure Fuel Control Filter Assembly · Rolls-Royce 250-C20 and 250-C20B. Effective Jul 1, 1982 - [AD 79-21-01 R1](https://openairdocs.org/ad/79-21-01-R1): Third Stage Turbine Wheel Blade · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 3 more. Effective Jun 3, 1981 - [AD 78-14-08](https://openairdocs.org/ad/78-14-08): Fuel Pump Drive Spline · Rolls-Royce 250-C18, 250-C18A, 250-C18B and 3 more. Effective Oct 24, 1979 - [AD 77-15-12](https://openairdocs.org/ad/77-15-12): Power Turbine Coupling Nut · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 23 more. Effective Sep 23, 1977 - [AD 77-09-08](https://openairdocs.org/ad/77-09-08): Bleed Valve Diaphragm · Rolls-Royce 250-B17, 250-B17B, 250-C20 and 2 more. Effective Jul 18, 1977 - [AD 74-14-03](https://openairdocs.org/ad/74-14-03): Fuel Control Rigging · Rolls-Royce 250-C20. Effective Jul 10, 1974 - [AD 73-19-07](https://openairdocs.org/ad/73-19-07): Turbine Governor-To-Fuel Control Tube · Rolls-Royce 250-C20. Effective Sep 14, 1973 - [AD 72-03-06](https://openairdocs.org/ad/72-03-06): Turbine Wheels · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 9 more. Effective Feb 8, 1972 ### 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 2013-20-13](https://openairdocs.org/ad/2013-20-13) (historical): Turbine Section · Bell Helicopter Textron Canada 206A, 206B and 206L. Effective Dec 10, 2013 - [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 81-18-01](https://openairdocs.org/ad/81-18-01) (historical): Main Rotor Trunnions · Bell Helicopter Textron 206A, 206A-1 (OH-58A), 206B and 3 more. Effective Sep 22, 1981 - [AD 2017-18-14](https://openairdocs.org/ad/2017-18-14) (historical): Turbine Section · Rolls-Royce 250-C20, 250-C20B, 250-C20F and 8 more. Effective Oct 13, 2017 - [AD 2015-02-22](https://openairdocs.org/ad/2015-02-22) (historical): Repetitive visual inspections · Rolls-Royce 250-B17, 250-B17B, 250-B17C and 15 more. Effective Mar 9, 2015 - [AD 2012-14-06](https://openairdocs.org/ad/2012-14-06) (historical): Released turbine blades and shrouds · Rolls-Royce 250-C20, 250-C20B and 250-C20R/2. Effective Aug 14, 2012 - [AD 2004-24-09](https://openairdocs.org/ad/2004-24-09) (historical): Fuel nozzle · Rolls-Royce 250-B15A, 250-B15E, 250-B15G and 40 more. Effective Jan 5, 2005 - [AD 2001-20-51](https://openairdocs.org/ad/2001-20-51) (historical): Helical Torquemeter Gearshaft Assembly · 250-B17, 250-B17C, 250-B17D and 12 more All 108: https://openairdocs.org/aircraft/N581SC/ads.md ## Information bulletins (advisory) (9 in force) - [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-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-05-25](https://openairdocs.org/saib/SW-05-25): . Issued Jan 10, 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 - [SAIB CE-01-10](https://openairdocs.org/saib/CE-01-10): . Issued Jan 24, 2001 - [SAIB SW-10-42](https://openairdocs.org/saib/SW-10-42) (historical): Emergency Float Kits. Issued Aug 5, 2010 ## NTSB investigations None matched to N581SC. ## FAA accident and incident reports None matched to N581SC. ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (592, first 50) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Bell 206B) - [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 SR00368SE](https://openairdocs.org/stc/SR00368SE): Installation of a color video camera on either the left, right or both horizontal stabilizers. Turbolyft USA Corporation - [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 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 SR04183CH](https://openairdocs.org/stc/SR04183CH): Installation of Reabe Aircraft Improvement True Quantity Hopper and Spray Boom Pressure Indication System. Reabe Design LLC - [STC SR12092IB](https://openairdocs.org/stc/SR12092IB): Manufacturing and Installation of Cargo Hold Nets. ICARUS AERO INC - [STC SR01967AT](https://openairdocs.org/stc/SR01967AT): Installation of Skywatch SKY497 traffic advisory system. Acron Aviation Inc - [STC SR04842NY](https://openairdocs.org/stc/SR04842NY): Installation of RMCI Inc. Expandable Rotorcraft Diagnostic System (XRDS). Sterling Helicopter - [STC SH4796NM](https://openairdocs.org/stc/SH4796NM): Manufacture and installation of Isolair Model 3900-110 Spray Tank System. Isolair Inc - [STC SR01429SE](https://openairdocs.org/stc/SR01429SE): Installation of dry chemical application system; manufactured and installed. 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 SH1244SO](https://openairdocs.org/stc/SH1244SO): Fabrication and installation of camera mount and photographer's seat. Ephraim Nowak - [STC SH1661SO](https://openairdocs.org/stc/SH1661SO): Fabrication and installation of wind sceen. Ephraim Nowak - [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 All 592: https://openairdocs.org/aircraft/N581SC/stcs.md ## Related - Other Bell 206B aircraft: https://openairdocs.org/model/bell-206b/aircraft.md - The Allison 250-C20 series engine: https://openairdocs.org/engine/allison-250-c20-series.md --- 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.