# N212DF: 1975 Bell 212 - Status: Valid registration - Airframe: [Bell 212](https://openairdocs.org/model/bell-212) (registry code 1181420, 15 seats) - Engine: [Honeywell T5317A](https://openairdocs.org/engine/honeywell-t5317a) (registry code 33858) - Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW) (Bell Textron Inc.), [TCDS E17EA](https://openairdocs.org/tcds/E17EA) (Ozark Aeroworks LLC) (OpenAirDocs) - Serial number: 30676 - Year built: 1975 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Standard, transport - Airworthiness date: March 12, 2020 - Certificate issued: September 21, 2020 - Expires: September 30, 2027 - Mode S code: A1C141 - Registered owner: [State Of Nevada](https://openairdocs.org/faa-owner/STATE%20OF%20NEVADA) - Location: [Reno, NV](https://openairdocs.org/faa-place/NV/Reno) - Owner type: Government - Owner's area on the map: 39.4254° N, 119.8719° W: Placed by OpenAirDocs at the center of ZIP code 89511, 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=212DF - Page: https://openairdocs.org/aircraft/N212DF From the FAA registry file of October 21, 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. ## ADs that may apply (OpenAirDocs): 75 in force ### Matched by airframe (Bell 212) - [AD 2025-07-01](https://openairdocs.org/ad/2025-07-01): Air Data Computer · Synthetic Vision Electronic Flight Information System (Arrow STC SR09595RC or ST01523WI). Effective May 15, 2025 - [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 2024-16-19](https://openairdocs.org/ad/2024-16-19): Rotorcraft Tail Boom · Bell Textron 212, 412CF, 412 and 1 more. Effective Nov 8, 2024 - [AD 2024-19-17](https://openairdocs.org/ad/2024-19-17): Rotorcraft flight control · Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N… (STC SR03408CH). Effective Oct 11, 2024 - [AD 2024-16-01](https://openairdocs.org/ad/2024-16-01): Fuselage structure · Bell Textron 205A, 205A-1, 205B and 4 more. Effective Sep 4, 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 2022-20-14](https://openairdocs.org/ad/2022-20-14): Main Rotor Gearbox · Bell Textron 204B, 205A, 205A-1 and 20 more. Effective Dec 27, 2022 - [AD 2022-22-12](https://openairdocs.org/ad/2022-22-12): Nose/Tail Landing Gear Structure/Axle · Replacement crosstubes P/N D212-664 (Dart Aerospace STC SR01298NY). Effective Nov 22, 2022 - [AD 2022-11-19](https://openairdocs.org/ad/2022-11-19): Aircraft Fuel System, Engine Oil System (Airframe) · Bell Textron 212, 412, 412CF and 1 more. Effective Jul 6, 2022 - [AD 2022-07-02](https://openairdocs.org/ad/2022-07-02): Rotorcraft Tail Boom · Bell Textron 205A, 205A-1, 205B and 5 more. Effective May 9, 2022 - [AD 2022-05-10](https://openairdocs.org/ad/2022-05-10): Cabin Equipment/Furnishings · Airbus Helicopters AS332L, AS332L1, AS332L2 and 57 more. Effective Apr 20, 2022 - [AD 2022-06-03](https://openairdocs.org/ad/2022-06-03): Main Rotor System · Bell Textron 204B, 205A, 205A-1 and 3 more. Effective Mar 16, 2022 - [AD 2020-19-08](https://openairdocs.org/ad/2020-19-08): Main Rotor · Bell Textron 204B, 205A-1 and 212. Effective Oct 21, 2020 - [AD 2020-16-10](https://openairdocs.org/ad/2020-16-10): Cabin Equipment/Furnishings · Bell Textron 204B, 205A, 205A-1 and 7 more. Effective Sep 3, 2020 - [AD 2020-12-10](https://openairdocs.org/ad/2020-12-10): Tail Rotor Blades · Bell Textron 205A, 205A-1, 205B and 4 more. Effective Jul 16, 2020 - [AD 2019-09-02](https://openairdocs.org/ad/2019-09-02): 7900 Engine Oil System and 2800 Aircraft Fuel System · Bell Helicopter Textron 212, 412, 412CF and 1 more. Effective Jun 4, 2019 - [AD 2018-16-14](https://openairdocs.org/ad/2018-16-14): Emergency Flotation Section · Bell Helicopter Textron 212, 412 and 412EP. Effective Oct 4, 2018 - [AD 2015-15-04](https://openairdocs.org/ad/2015-15-04): Main Rotor Blade Grip · Bell Helicopter Textron 204B, 205A, 205A-1 and 1 more. Effective Aug 7, 2015 - [AD 2014-12-04](https://openairdocs.org/ad/2014-12-04): Main Rotor Head · Bell Helicopter Textron 204B, 205A, 205A-1 and 3 more. Effective Jul 24, 2014 - [AD 2013-15-02](https://openairdocs.org/ad/2013-15-02): Tail Rotor Blades · Bell Helicopter Textron 205A, 205A-1, 205B and 5 more. Effective Aug 14, 2013 - [AD 2013-06-51](https://openairdocs.org/ad/2013-06-51): Equipment/Furnishings · Agusta A109, A109A, A109A II and 43 more. Effective Jul 15, 2013 - [AD 2013-03-16](https://openairdocs.org/ad/2013-03-16): Main Rotor Head · Bell Helicopter Textron 204B, 205A, 205A-1 and 3 more. Effective Feb 27, 2013 - [AD 2012-17-08](https://openairdocs.org/ad/2012-17-08): Main Rotor Head · Bell Helicopter Textron 204B, 205A, 205A-1 and 2 more. Effective Feb 27, 2013 - [AD 2012-22-06](https://openairdocs.org/ad/2012-22-06): High Landing Gear Forward Crosstube Assembly · Aeronautical Accessories AB412, AB412 EP, 205A and 7 more. Effective Dec 14, 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 2011-23-02](https://openairdocs.org/ad/2011-23-02): Main rotor blade (blade) assemblies · Bell Helicopter Textron 205A-1, 205B, 210 and 1 more. Effective Nov 21, 2011 - [AD 2010-26-52](https://openairdocs.org/ad/2010-26-52): Tail Rotor Blade · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective Nov 15, 2011 - [AD 2010-10-16](https://openairdocs.org/ad/2010-10-16): Crosstube · Agusta AB412, AB412 EP, 205A and 6 more. Effective Jun 8, 2010 - [AD 2007-22-02](https://openairdocs.org/ad/2007-22-02): Tail rotor blade (blade) forward tip weight retention block (tip block) and the aft tip closure (tip closure) · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Nov 30, 2007 - [AD 2005-20-38](https://openairdocs.org/ad/2005-20-38): Reservoir assembly adapter (adapter) · Bell Helicopter Textron 212, 412 and 412EP with STC SH2820SO. Effective Oct 28, 2005 - [AD 2002-22-14](https://openairdocs.org/ad/2002-22-14): Main rotor tension-torsion (TT) straps · Bell Helicopter Textron 204B, 205A, 205A-1 and 4 more. Effective Dec 13, 2002 - [AD 2002-19-05](https://openairdocs.org/ad/2002-19-05): Tail boom · Bell Helicopter Textron 212. Effective Oct 30, 2002 - [AD 2001-13-01](https://openairdocs.org/ad/2001-13-01): Tail Rotor Counterweight Bellcrank (bellcrank) Retention Nut (retention nut) · Bell Helicopter Textron 205A-1, 205B, 212 and 3 more. Effective Aug 1, 2001 - [AD 2001-08-04](https://openairdocs.org/ad/2001-08-04): Main Rotor Actuator · Bell Helicopter Textron 205A-1, 205B, 212 and 3 more. Effective May 3, 2001 - [AD 2000-15-52](https://openairdocs.org/ad/2000-15-52): Mast and main rotor trunnions · Bell Helicopter Textron 204B, 205A, 205A-1 and 2 more. Effective Dec 28, 2000 - [AD 98-11-15](https://openairdocs.org/ad/98-11-15): Tail Rotor Yoke Assembly · Bell Helicopter Textron 212. Effective Feb 10, 1999 - [AD 94-18-09](https://openairdocs.org/ad/94-18-09): Main Transmission Lower Planetary Spider · Bell Helicopter Textron 205A, 205A-1, 205B and 2 more. Effective Oct 14, 1994 - [AD 93-17-12](https://openairdocs.org/ad/93-17-12): Main Rotor Transmission Lower Planetary Spider · Bell Helicopter Textron 204B, 205A, 205A-1 and 3 more. Effective Jul 29, 1994 - [AD 92-23-01](https://openairdocs.org/ad/92-23-01): Main Rotor Pillow Blocks · Bell Helicopter Textron 204B, 205A, 205A-1 and 10 more. Effective Apr 23, 1993 - [AD 92-13-10](https://openairdocs.org/ad/92-13-10): Tail Rotor Driveshaft Hanger Bearing · Bell Helicopter Textron 204B, 205A, 205A-1 and 3 more. Effective Feb 23, 1993 - [AD 92-09-05](https://openairdocs.org/ad/92-09-05): Torque Adapter · Bell Helicopter Textron 212 and 412. Effective Jun 2, 1992 - [AD 92-07-08](https://openairdocs.org/ad/92-07-08): Swashplate Support Assembly · Bell Helicopter Textron 204B, 205A, 205A-1 and 2 more. Effective Mar 25, 1992 - [AD 90-26-11](https://openairdocs.org/ad/90-26-11): Drag Brace Assemblies · Bell Helicopter Textron 212. Effective Jan 18, 1991 - [AD 90-03-09](https://openairdocs.org/ad/90-03-09): T/R Hub Assembly (See 90-03-09) · Bell Helicopter Textron 205A, 205A-1, 212 and 1 more. Effective Feb 13, 1990 - [AD 89-08-05](https://openairdocs.org/ad/89-08-05): Transmission Internal Sump Oil Filter · Bell Helicopter Textron 204B, 205A, 205A-1 and 2 more. Effective Jan 3, 1990 - [AD 81-10-07](https://openairdocs.org/ad/81-10-07): Swashplate Support · Bell Helicopter Textron 212. Effective May 14, 1981 - [AD 80-21-05](https://openairdocs.org/ad/80-21-05): Landing Gear Cross Tubes · Bell Helicopter Textron 205A-1 and 212. Effective Oct 15, 1980 - [AD 79-05-08](https://openairdocs.org/ad/79-05-08): Emergency Flotation (Ditching) Equipment · Bell Helicopter Textron 212. Effective Apr 16, 1979 - [AD 78-17-03](https://openairdocs.org/ad/78-17-03): Spiral Bevel Gear · Bell Helicopter Textron 212. Effective Nov 22, 1978 - [AD 78-20-07](https://openairdocs.org/ad/78-20-07): Shoulder Radius Fitting · Bell Helicopter Textron 204B, 205A-1 and 212. Effective Oct 25, 1978 ### Matched by engine (Honeywell T5317A) - [AD 2022-10-02](https://openairdocs.org/ad/2022-10-02): Engine Controls · Honeywell International T53-L-703, T53-L-13B S/SB, T53-L-13B S/SA and 14 more. Effective Jun 28, 2022 - [AD 2009-15-13](https://openairdocs.org/ad/2009-15-13): Combustion chamber housings (CCHs) · Honeywell International T5313B, T5317A, T5317A-1 and 2 more. Effective Aug 25, 2009 - [AD 2006-11-16](https://openairdocs.org/ad/2006-11-16): Fuel control regulator assemblies · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 8 more. Effective Jul 5, 2006 - [AD 2006-01-05](https://openairdocs.org/ad/2006-01-05): Turboshaft engine · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B S/SB and 12 more. Effective Feb 16, 2006 - [AD 2002-15-04](https://openairdocs.org/ad/2002-15-04): Compressor impellers · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 4 more. Effective Sep 10, 2002 - [AD 2002-09-09](https://openairdocs.org/ad/2002-09-09): Centrifugal Compressor Impeller · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 10 more. Effective Jun 13, 2002 - [AD 97-21-07 R1](https://openairdocs.org/ad/97-21-07-R1): Accessory Drive Carrier Assembly · Honeywell International T53-L-703, T5313B, T5317A and 1 more. Effective Jul 6, 1998 - [AD 97-07-05](https://openairdocs.org/ad/97-07-05): Accessory Drive Assembly · Honeywell International T53-L-703, T5311A, T5311B and 4 more. Effective Jun 24, 1997 - [AD 95-10-04](https://openairdocs.org/ad/95-10-04): Centrifugal Compressor Impeller · Honeywell International T5313B, T5317A, T5317A-1 and 1 more. Effective May 25, 1995 - [AD 77-17-08](https://openairdocs.org/ad/77-17-08): Fuel Regulator P1 Multiplier Lever · Honeywell International T53-L-703, T5307A, T5309A and 7 more. Effective Mar 30, 1978 - [AD 75-22-02](https://openairdocs.org/ad/75-22-02): Secondary Failure N2 Accessory Drive Shaft · Honeywell International T5307A, T5309A, T5309B and 6 more. Effective Oct 29, 1975 ### Historical (superseded or no longer in force) - [AD 2022-02-02](https://openairdocs.org/ad/2022-02-02) (historical): Main Rotor System · Bell Textron 204B, 205A, 205A-1 and 3 more. Effective Feb 16, 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 2021-15-51](https://openairdocs.org/ad/2021-15-51) (historical): Main rotor system · Bell Textron 204B, 205A, 205A-1 and 2 more. Effective Aug 24, 2021 - [AD 2018-17-01](https://openairdocs.org/ad/2018-17-01) (historical): Engine Oil System and Aircraft Fuel System · Bell Helicopter Textron 212, 412, 412CF and 1 more. Effective Sep 5, 2018 - [AD 2017-15-02](https://openairdocs.org/ad/2017-15-02) (historical): Engine Oil System and Aircraft Fuel System · Bell Helicopter Textron 212 and 412. Effective Aug 4, 2017 - [AD 2011-12-08](https://openairdocs.org/ad/2011-12-08) (historical): Tail rotor (T/R) blades · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Jul 5, 2011 - [AD 2011-08-01](https://openairdocs.org/ad/2011-08-01) (historical): Main rotor hub · Bell Helicopter Textron 212. Effective Apr 21, 2011 - [AD 2010-25-51](https://openairdocs.org/ad/2010-25-51) (historical): Main Rotor Hub · Bell Helicopter Textron 212 - [AD 2010-24-52](https://openairdocs.org/ad/2010-24-52) (historical): Cracked fitting · Bell Helicopter Textron 212 - [AD 2010-24-51](https://openairdocs.org/ad/2010-24-51) (historical): Cracked fitting · Bell Helicopter Textron 212 - [AD 2010-03-03](https://openairdocs.org/ad/2010-03-03) (historical): Main rotor blade · Bell Helicopter Textron 205B and 212. Effective Feb 19, 2010 - [AD 2008-10-03](https://openairdocs.org/ad/2008-10-03) (historical): Tail rotor blade assembly · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective May 21, 2008 - [AD 2007-19-53](https://openairdocs.org/ad/2007-19-53) (historical): Tail rotor blade (blade) · Bell Helicopter Textron 204B, 205A, 205A-1 and 6 more. Effective Dec 5, 2007 - [AD 2003-01-04](https://openairdocs.org/ad/2003-01-04) (historical): Main rotor grip · New rotor blades (Hillsboro STC SH5132NM). Effective Jan 30, 2003 - [AD 2002-09-04](https://openairdocs.org/ad/2002-09-04) (historical): Tip Block and Tip Closure · Bell Helicopter Textron 205A, 205A-1, 205B and 4 more. Effective Jun 7, 2002 - [AD 2000-25-03](https://openairdocs.org/ad/2000-25-03) (historical): Main Rotor Actuator Locking Washer · Bell Helicopter Textron 205A-1, 205B, 212 and 2 more. Effective Dec 28, 2000 - [AD 2000-08-52](https://openairdocs.org/ad/2000-08-52) (historical): Main Rotor System · Bell Helicopter Textron 204B, 205A, 205A-1 and 2 more - [AD 98-24-15](https://openairdocs.org/ad/98-24-15) (historical): Main Rotor Mast and Trunnion · Bell Helicopter Textron 204B, 205A, 205A-1 and 2 more. Effective Dec 8, 1998 - [AD 93-05-01](https://openairdocs.org/ad/93-05-01) (historical): Main Rotor Yoke Assembly · Bell Helicopter Textron 212. Effective Apr 19, 1993 - [AD 81-19-01](https://openairdocs.org/ad/81-19-01) (historical): Main Rotor Yoke · Bell Helicopter Textron 212. Effective Sep 30, 1981 - [AD 80-17-09](https://openairdocs.org/ad/80-17-09) (historical): Main Rotor Straps · Bell Helicopter Textron 204B, 205A-1, 212 and 16 more. Effective Sep 15, 1980 - [AD 79-20-05](https://openairdocs.org/ad/79-20-05) (historical): Main Rotor Hub Assembly · Bell Helicopter Textron 204B, 205A-1 and 212. Effective Jan 18, 1980 - [AD 75-26-05](https://openairdocs.org/ad/75-26-05) (historical): Main Rotor Blades · Bell Helicopter Textron 204B, 205A-1 and 212. Effective Jan 19, 1976 - [AD 74-08-03](https://openairdocs.org/ad/74-08-03) (historical): Tail Fin Forward Spar Cap Angle · Bell Helicopter Textron 212. Effective May 6, 1974 - [AD 2002-03-01](https://openairdocs.org/ad/2002-03-01) (historical): Reduction Gearbox Assembly · Honeywell International T5311A, T5311B, T5313B and 2 more. Effective Mar 21, 2002 All 100: https://openairdocs.org/aircraft/N212DF/ads.md ## Information bulletins (advisory) (5 in force) - [SAIB SW-12-38](https://openairdocs.org/saib/SW-12-38): Emergency Push Out Window Retention. Issued Jul 30, 2012 - [SAIB SW-08-42](https://openairdocs.org/saib/SW-08-42): Emergency Float with Liferaft Kits (kits). Issued Aug 27, 2008 - [SAIB SW-05-79](https://openairdocs.org/saib/SW-05-79): . Issued Aug 8, 2005 - [SAIB SW-05-47](https://openairdocs.org/saib/SW-05-47): . Issued Apr 5, 2005 - [SAIB SW-05-10R1](https://openairdocs.org/saib/SW-05-10R1): . Issued Nov 30, 2004 - [SAIB SW-05-10](https://openairdocs.org/saib/SW-05-10) (historical): . Issued Nov 5, 2004 ## NTSB investigations None matched to N212DF. ## FAA accident and incident reports None matched to N212DF. ## Service difficulty reports None filed for this aircraft. ## Related - Other Bell 212 aircraft: https://openairdocs.org/model/bell-212/aircraft.md - STCs for the Bell 212: https://openairdocs.org/model/bell-212/stcs.md - The Honeywell T5317A engine: https://openairdocs.org/engine/honeywell-t5317a.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.