# Sikorsky S-76C

- Type: Aircraft model (FAA registry)
- Registry code: 8143008
- Manufacturer (registry): SIKORSKY
- Model: S-76C
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 2 · Turbo-shaft
- Seats: 14
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H1NE](https://openairdocs.org/tcds/H1NE) (OpenAirDocs)
- Holder: Sikorsky Aircraft Corporation
- Registered aircraft: 78
- Page: https://openairdocs.org/model/sikorsky-s-76c

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 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 2020-15-17](https://openairdocs.org/ad/2020-15-17): Indicating/recording system · Sikorsky S-76C. Effective Sep 9, 2020
- [AD 2019-19-12](https://openairdocs.org/ad/2019-19-12): Engine Fuel and Control · Sikorsky S-76C. Effective Nov 8, 2019
- [AD 2017-19-01](https://openairdocs.org/ad/2017-19-01): Rotorcraft Flight Control · Sikorsky S-76A, S-76B, S-76C and 1 more. Effective Jan 2, 2018
- [AD 2015-26-10](https://openairdocs.org/ad/2015-26-10): Main Rotor Gearbox · Sikorsky S-76A, S-76B and S-76C. Effective Feb 9, 2016
- [AD 2015-19-51](https://openairdocs.org/ad/2015-19-51): Flight Control System · Sikorsky S-76A, S-76B, S-76C and 1 more. Effective Nov 10, 2015
- [AD 2015-04-05](https://openairdocs.org/ad/2015-04-05): Tail Rotor Drive Shaft · Sikorsky S-76A, S-76B, S-76C and 1 more. Effective Mar 12, 2015
- [AD 2014-08-06](https://openairdocs.org/ad/2014-08-06): Main Rotor Head · Sikorsky S-76A, S-76B and S-76C. Effective Jun 2, 2014
- [AD 2013-22-15](https://openairdocs.org/ad/2013-22-15): Main Rotor Head · Sikorsky S-76A, S-76B and S-76C. Effective Dec 13, 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 2012-22-13](https://openairdocs.org/ad/2012-22-13): Engine Controls · Sikorsky S-76C. Effective Dec 20, 2012
- [AD 2010-26-09](https://openairdocs.org/ad/2010-26-09): Navigation · Sikorsky S-76A, S-76B and S-76C. Effective Jan 12, 2011
- [AD 2010-17-16](https://openairdocs.org/ad/2010-17-16): Vertical Stabilizer · Sikorsky S-76A, S-76B and S-76C. Effective Oct 18, 2010
- [AD 2010-10-02](https://openairdocs.org/ad/2010-10-02): Servo actuator · Sikorsky S-76A, S-76B and S-76C. Effective Jun 17, 2010
- [AD 2010-07-02](https://openairdocs.org/ad/2010-07-02): Integrated navigation units (INUs) · 328 Support Services 328-100, 328-300, Jetstream Model 4101 and 26 more. Effective May 3, 2010
- [AD 2010-06-08](https://openairdocs.org/ad/2010-06-08): Emergency flotation system squib connector · Sikorsky S-76C. Effective Apr 1, 2010
- [AD 2007-11-05](https://openairdocs.org/ad/2007-11-05): Main rotor shaft assembly (M/R shaft) · Sikorsky S-76A, S-76B and S-76C. Effective Jun 15, 2007
- [AD 2004-06-04](https://openairdocs.org/ad/2004-06-04): Dual channel autopilot and dual inverters · Sikorsky S-76A, S-76B and S-76C. Effective Apr 15, 2004
- [AD 2003-14-18](https://openairdocs.org/ad/2003-14-18): Main landing gear brake discs (discs) · Sikorsky S-76A, S-76B and S-76C. Effective Aug 25, 2003
- [AD 2003-04-15](https://openairdocs.org/ad/2003-04-15): Rotor Brake Disc (RBD) · Sikorsky S-76A, S-76B and S-76C. Effective Feb 27, 2003
- [AD 2002-21-07](https://openairdocs.org/ad/2002-21-07): Main rotor spindle attachment bolt · Sikorsky S-76A, S-76B and S-76C. Effective Nov 25, 2002
- [AD 2002-15-51](https://openairdocs.org/ad/2002-15-51): Main rotor blade · Sikorsky S-76A, S-76B and S-76C. Effective Oct 18, 2002
- [AD 2001-25-06](https://openairdocs.org/ad/2001-25-06): AHRS WARN Circuits · Sikorsky S-76B and S-76C. Effective Jan 4, 2002
- [AD 2001-10-06](https://openairdocs.org/ad/2001-10-06): Main Rotor Shaft Assembly · Sikorsky S-76A, S-76B and S-76C. Effective Jun 21, 2001
- [AD 2001-03-51](https://openairdocs.org/ad/2001-03-51): Main Rotor Shafts · Sikorsky S-76B and S-76C. Effective Mar 21, 2001
- [AD 2001-01-04](https://openairdocs.org/ad/2001-01-04): Rod Assembly · Sikorsky S-76A, S-76B and S-76C. Effective Feb 2, 2001
- [AD 2000-11-52](https://openairdocs.org/ad/2000-11-52): Main Rotor Blade · Sikorsky S-76A, S-76B and S-76C. Effective Aug 31, 2000
- [AD 99-19-30](https://openairdocs.org/ad/99-19-30): Tail Gearbox Forward Fairing · Sikorsky S-76A, S-76B and S-76C. Effective Oct 4, 1999
- [AD 99-07-01](https://openairdocs.org/ad/99-07-01): Rotorcraft Flight Manual - Operating Limitations · Sikorsky S-76C. Effective Apr 7, 1999
- [AD 99-01-09](https://openairdocs.org/ad/99-01-09): Fuel Supply Line · Sikorsky S-76C. Effective Mar 3, 1999
- [AD 98-17-15](https://openairdocs.org/ad/98-17-15): Swashplate Assembly Uniball Bearing Retainer Inspection · Sikorsky S-76A, S-76B and S-76C. Effective Feb 1, 1999

Historical (superseded or no longer in force):

- [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 2018-10-07](https://openairdocs.org/ad/2018-10-07) (historical): Engine Controls · Sikorsky S-76C. Effective Jun 25, 2018
- [AD 2010-11-52](https://openairdocs.org/ad/2010-11-52) (historical): Navigation system · Sikorsky S-76A, S-76B and S-76C
- [AD 2006-22-05](https://openairdocs.org/ad/2006-22-05) (historical): Integrated navigation units (INUs) · 328 Support Services 328-100, 328-300, Jetstream Model 4101 and 27 more. Effective Dec 1, 2006
- [AD 2005-22-01](https://openairdocs.org/ad/2005-22-01) (historical): Main rotor lower bifilar arm assembly · Sikorsky S-76A, S-76B and S-76C. Effective Nov 10, 2005
- [AD 2000-23-52](https://openairdocs.org/ad/2000-23-52) (historical): Main Rotor Shaft Assembly · Sikorsky S-76A Model/Series (all), S-76B and S-76C. Effective Feb 16, 2001
- [AD 2000-23-51](https://openairdocs.org/ad/2000-23-51) (historical): Main Transmission Oil Seal · Sikorsky S-76A Model/Series (all), S-76B and S-76C

## Information bulletins (advisory) (2)

- [SAIB AIR-20-11](https://openairdocs.org/saib/AIR-20-11): Attitude and Direction Data System, Incorrect AHRS Yaw Rate Output. Issued Jun 22, 2020
- [SAIB SW-08-37](https://openairdocs.org/saib/SW-08-37): Inoperative Cyclic Control Stick Guard. Issued Jul 22, 2008

## Registered aircraft (78, first 50)

- [N121NC](https://openairdocs.org/aircraft/N121NC): [Sun Meridian Bernardino LLC](https://openairdocs.org/faa-owner/SUN%20MERIDIAN%20BERNARDINO%20LLC), [Brea, CA](https://openairdocs.org/faa-place/CA/Brea), built 1998, S/N 760491
- [N1308](https://openairdocs.org/aircraft/N1308): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2007, S/N 760667
- [N13MQ](https://openairdocs.org/aircraft/N13MQ): [Arrow Aviation Company LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760624
- [N155RR](https://openairdocs.org/aircraft/N155RR): [Cas LLC](https://openairdocs.org/faa-owner/CAS%20LLC), [Longboat Key, FL](https://openairdocs.org/faa-place/FL/Longboat%20Key), built 1996, S/N 760464
- [N16MQ](https://openairdocs.org/aircraft/N16MQ): [Arrow Aviation Company LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760626
- [N176AM](https://openairdocs.org/aircraft/N176AM): [Spectrum Health Hospitals](https://openairdocs.org/faa-owner/SPECTRUM%20HEALTH%20HOSPITALS), [Grand Rapids, MI](https://openairdocs.org/faa-place/MI/Grand%20Rapids), built 2007, S/N 760665
- [N25740](https://openairdocs.org/aircraft/N25740): [Arrow Aviation Company LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760732
- [N26HF](https://openairdocs.org/aircraft/N26HF): [Heliflite Shares LLC](https://openairdocs.org/faa-owner/HELIFLITE%20SHARES%20LLC), [Kearny, NJ](https://openairdocs.org/faa-place/NJ/Kearny), built 1998, S/N 760488
- [N276FX](https://openairdocs.org/aircraft/N276FX): [Flexjet Vertical Lift LLC](https://openairdocs.org/faa-owner/FLEXJET%20VERTICAL%20LIFT%20LLC), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), built 2000, S/N 760509
- [N276TH](https://openairdocs.org/aircraft/N276TH): [Health Care District Of Palm Beach County](https://openairdocs.org/faa-owner/HEALTH%20CARE%20DISTRICT%20OF%20PALM%20BEACH%20COUNTY), [West Palm Beach, FL](https://openairdocs.org/faa-place/FL/West%20Palm%20Beach), built 1999, S/N 760494
- [N30RT](https://openairdocs.org/aircraft/N30RT): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1999, S/N 760511
- [N311WG](https://openairdocs.org/aircraft/N311WG): [Pentair LLC](https://openairdocs.org/faa-owner/PENTAIR%20LLC), [Palmetto, FL](https://openairdocs.org/faa-place/FL/Palmetto), built 1996, S/N 760457
- [N327VA](https://openairdocs.org/aircraft/N327VA): [Air Wolfpack LLC](https://openairdocs.org/faa-owner/AIR%20WOLFPACK%20LLC), [Grand Rapids, MI](https://openairdocs.org/faa-place/MI/Grand%20Rapids), built 2007, S/N 760695
- [N328PK](https://openairdocs.org/aircraft/N328PK): [Onyx Aviation LLC](https://openairdocs.org/faa-owner/ONYX%20AVIATION%20LLC), [Needham, MA](https://openairdocs.org/faa-place/MA/Needham), built 2005, S/N 760604
- [N34HF](https://openairdocs.org/aircraft/N34HF): [Heliflite Shares LLC](https://openairdocs.org/faa-owner/HELIFLITE%20SHARES%20LLC), [Kearny, NJ](https://openairdocs.org/faa-place/NJ/Kearny), built 2005, S/N 760608
- [N355JS](https://openairdocs.org/aircraft/N355JS): [Minerd Holdings LLC](https://openairdocs.org/faa-owner/MINERD%20HOLDINGS%20LLC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago), built 2007, S/N 760684
- [N38HF](https://openairdocs.org/aircraft/N38HF): [Heliflite Shares LLC](https://openairdocs.org/faa-owner/HELIFLITE%20SHARES%20LLC), [Kearny, NJ](https://openairdocs.org/faa-place/NJ/Kearny), built 2008, S/N 760700
- [N399KK](https://openairdocs.org/aircraft/N399KK): built 2003, S/N 760550
- [N39HF](https://openairdocs.org/aircraft/N39HF): [Heliflite Shares LLC](https://openairdocs.org/faa-owner/HELIFLITE%20SHARES%20LLC), [Kearny, NJ](https://openairdocs.org/faa-place/NJ/Kearny), built 2011, S/N 760808
- [N4514R](https://openairdocs.org/aircraft/N4514R): [Arrow Aviation Company LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760669
- [N478X](https://openairdocs.org/aircraft/N478X): [Westwind Helicopters Inc](https://openairdocs.org/faa-owner/WESTWIND%20HELICOPTERS%20INC), [Santa Fe, TX](https://openairdocs.org/faa-place/TX/Santa%20Fe), S/N 760493
- [N495RL](https://openairdocs.org/aircraft/N495RL): [Sugar Pine Aviation LLC](https://openairdocs.org/faa-owner/SUGAR%20PINE%20AVIATION%20LLC), [Merlin, OR](https://openairdocs.org/faa-place/OR/Merlin), built 2005, S/N 760595
- [N4989](https://openairdocs.org/aircraft/N4989): [Arrow Aviation Company LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760377
- [N547WM](https://openairdocs.org/aircraft/N547WM): [Bristow LLC](https://openairdocs.org/faa-owner/BRISTOW%20LLC), [Lake Charles, LA](https://openairdocs.org/faa-place/LA/Lake%20Charles), built 2008, S/N 760722
- [N548GB](https://openairdocs.org/aircraft/N548GB): [Aviation Instrument Services Inc](https://openairdocs.org/faa-owner/AVIATION%20INSTRUMENT%20SERVICES%20INC), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 1995, S/N 760426
- [N576DT](https://openairdocs.org/aircraft/N576DT): [Area 109 LLC](https://openairdocs.org/faa-owner/AREA%20109%20LLC), [Brooklyn, NY](https://openairdocs.org/faa-place/NY/Brooklyn), built 2001, S/N 760514
- [N653LH](https://openairdocs.org/aircraft/N653LH): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1995, S/N 760420
- [N664BC](https://openairdocs.org/aircraft/N664BC): [Flow Line Transportation LLC](https://openairdocs.org/faa-owner/FLOW%20LINE%20TRANSPORTATION%20LLC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1998, S/N 760492
- [N67ME](https://openairdocs.org/aircraft/N67ME): [Cas LLC](https://openairdocs.org/faa-owner/CAS%20LLC), [Longboat Key, FL](https://openairdocs.org/faa-place/FL/Longboat%20Key), built 1997, S/N 760469
- [N707DS](https://openairdocs.org/aircraft/N707DS): [Cas LLC](https://openairdocs.org/faa-owner/CAS%20LLC), [Longboat Key, FL](https://openairdocs.org/faa-place/FL/Longboat%20Key), built 1997, S/N 760471
- [N709P](https://openairdocs.org/aircraft/N709P): [Phi Health LLC](https://openairdocs.org/faa-owner/PHI%20HEALTH%20LLC), [Tempe, AZ](https://openairdocs.org/faa-place/AZ/Tempe), built 2008, S/N 760716
- [N709UC](https://openairdocs.org/aircraft/N709UC): [Arrow Aviation Co LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760631
- [N711DS](https://openairdocs.org/aircraft/N711DS): [Pentair LLC](https://openairdocs.org/faa-owner/PENTAIR%20LLC), [Palmetto, FL](https://openairdocs.org/faa-place/FL/Palmetto), built 1997, S/N 760473
- [N725MF](https://openairdocs.org/aircraft/N725MF): [Arrow Aviation Company LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2002, S/N 760532
- [N725P](https://openairdocs.org/aircraft/N725P): [Phi Aviation LLC](https://openairdocs.org/faa-owner/PHI%20AVIATION%20LLC), [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette), built 2007, S/N 760692
- [N72EH](https://openairdocs.org/aircraft/N72EH): [Helinet Aviation Services LLC](https://openairdocs.org/faa-owner/HELINET%20AVIATION%20SERVICES%20LLC), [Van Nuys, CA](https://openairdocs.org/faa-place/CA/Van%20Nuys), built 2008, S/N 760712
- [N745P](https://openairdocs.org/aircraft/N745P): [Phi Aviation LLC](https://openairdocs.org/faa-owner/PHI%20AVIATION%20LLC), [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette), built 2006, S/N 760619
- [N760BG](https://openairdocs.org/aircraft/N760BG): [Bristow U S LLC](https://openairdocs.org/faa-owner/BRISTOW%20U%20S%20LLC), [New Iberia, LA](https://openairdocs.org/faa-place/LA/New%20Iberia), S/N 760733
- [N768AM](https://openairdocs.org/aircraft/N768AM): [Spectrum Health Hospitals](https://openairdocs.org/faa-owner/SPECTRUM%20HEALTH%20HOSPITALS), [Grand Rapids, MI](https://openairdocs.org/faa-place/MI/Grand%20Rapids), built 2009, S/N 760710
- [N769P](https://openairdocs.org/aircraft/N769P): [Phi Aviation LLC](https://openairdocs.org/faa-owner/PHI%20AVIATION%20LLC), [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette), built 2007, S/N 760671
- [N76FX](https://openairdocs.org/aircraft/N76FX): [Flexjet Vertical Lift LLC](https://openairdocs.org/faa-owner/FLEXJET%20VERTICAL%20LIFT%20LLC), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), built 2005, S/N 760585
- [N76GA](https://openairdocs.org/aircraft/N76GA): [Turbine Holdings II LLC](https://openairdocs.org/faa-owner/TURBINE%20HOLDINGS%20II%20LLC), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York), built 1999, S/N 760498
- [N76HH](https://openairdocs.org/aircraft/N76HH): [Hallecopter LLC](https://openairdocs.org/faa-owner/HALLECOPTER%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2010, S/N 760807
- [N76PC](https://openairdocs.org/aircraft/N76PC): [So Much For Subtlety LLC](https://openairdocs.org/faa-owner/SO%20MUCH%20FOR%20SUBTLETY%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 2005, S/N 760597
- [N772P](https://openairdocs.org/aircraft/N772P): [Phi Aviation LLC](https://openairdocs.org/faa-owner/PHI%20AVIATION%20LLC), [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette), built 2008, S/N 760730
- [N781P](https://openairdocs.org/aircraft/N781P): [Phi Health LLC](https://openairdocs.org/faa-owner/PHI%20HEALTH%20LLC), [Tempe, AZ](https://openairdocs.org/faa-place/AZ/Tempe), built 2006, S/N 760630
- [N781RL](https://openairdocs.org/aircraft/N781RL): [Gm Leasing Company LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2007, S/N 760673
- [N782RL](https://openairdocs.org/aircraft/N782RL): [Gm Leasing Company LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2007, S/N 760666
- [N783RL](https://openairdocs.org/aircraft/N783RL): [Gm Leasing Company LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2008, S/N 760735
- [N784RL](https://openairdocs.org/aircraft/N784RL): [Gm Leasing Company LLC](https://openairdocs.org/faa-owner/GM%20LEASING%20COMPANY%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 2008, S/N 760721

All 78: https://openairdocs.org/model/sikorsky-s-76c/aircraft.md

## NTSB investigations (5)

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 GAA18CA138](https://openairdocs.org/ntsb/GAA18CA138), Feb 18, 2018: Sikorsky S76 (N860AL), New Iberia, LA, substantial damage. Probable cause: The helicopter’s striking of a pothole while taxiing, which resulted in the right main landing gear collapsing.
- [NTSB ERA12CA580](https://openairdocs.org/ntsb/ERA12CA580), Sep 24, 2012: Sikorsky S-76C (N781P), Theodore, AL, substantial damage. Probable cause: The pilot's failure to maintain adequate obstacle clearance while taxiing.
- [NTSB CEN09MA117](https://openairdocs.org/ntsb/CEN09MA117), Jan 4, 2009: Sikorsky S-76C (N748P), Morgan City, LA, destroyed, 8 fatal. Probable cause: (1) the sudden loss of power to both engines that resulted from impact with a bird (red-tailed hawk), which fractured the windshield and interfered with engine fuel controls, and (2) the subsequent…
- [NTSB IAD05MA078](https://openairdocs.org/ntsb/IAD05MA078), Jun 17, 2005: Sikorsky S-76C (N317MY), New York, NY, substantial damage. Probable cause: An inadvertent encounter with a left quartering tailwind. Factors in the accident were settling with power, the high gross weight of the helicopter, and the crew's failure to accurately assess the…
- [NTSB MIA02FA161](https://openairdocs.org/ntsb/MIA02FA161), Aug 31, 2002: Sikorsky S76A+ (N15460), Miami, FL, substantial damage. Probable cause: The flight crew's diverted attention, inadequate visual lookout, and failure to ensure adequate main rotor clearance. Factors in the accident were the continued operation, with known obstructions in…

## FAA accident and incident reports (7)

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.

- [Incident 20200825020129I](https://openairdocs.org/incident/20200825020129I), Aug 25, 2020: Sikorsky S-76C (N276TH), Palm Beach, FL, Minor damage. Part 135 certificate [privacy data omitted] operating, Sikorsky S-76C, N276TH was performing maintenance flight while taxing back to rank the right main…
- [Incident 20190601005829I](https://openairdocs.org/incident/20190601005829I), Jun 1, 2019: Sikorsky S-76C (N714P), Houma, LA, Minor damage. On Saturday, June 1, 2019, at approximately 06:39 (CDT), N714P, a (phi) petroleum helicopters inc., Sikorsky SK-76-C helicopter serial number 760719 departed…
- [Accident 20180218002719A](https://openairdocs.org/incident/20180218002719A), Feb 18, 2018: Sikorsky S-76C (N860AL), New Iberia, LA, Substantial damage. The aircraft taxied from the fuel farm to the runway to prepare for departure. While on the taxiway, the aircraft rolled over 7 inch rise in the concrete…
- [Accident 20120924022099A](https://openairdocs.org/incident/20120924022099A), Sep 24, 2012: Sikorsky S-76C (N781P), Theodore, AL, Substantial damage. While hovering backwards from lift off point and turning right the tail rotor blades went into a parked bell 206 helicopter main rotor blade
- [Accident 20090104000369A](https://openairdocs.org/incident/20090104000369A), Jan 4, 2009: Skrsky S76C (N748P), Morgan City, LA, Destroyed, 8 fatal. On January 4, 2008, at 2:09 pm central standard time, a Sikorsky S-76C++ helicopter, registered to and operated by phi, inc., as a part 135 air taxi flight,…
- [Accident 20050617018799A](https://openairdocs.org/incident/20050617018799A), Jun 17, 2005: Skrsky S76C (N317MY), New York, NY, Destroyed. (-23) On June 17, 2005, at approximately 1638 hours local time, N731MY, a Sikorsky SK-76-C, s/n 760460, took off from the 34th street heliport in nyc, NY and…
- [Accident 20020831023019A](https://openairdocs.org/incident/20020831023019A), Aug 31, 2002: Skrsky S76A (N15460), Miami, FL, Substantial damage. (-23) The pilot initiated a normal take-off from the Miami children's Hospital level helipad. The pilot elected to take off east between a building and a…

## Service difficulty reports (717, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2026FA0000301](https://openairdocs.org/sdr/2026FA0000301), Apr 24, 2026: INDICATION SYS. FALSE INDICATION. RDAU DISPLAYS FAULTY FUEL INDICATIONS. AFTER START-UP #1 FUEL QUANTITY DROPS APPROX. 100 LBS. THEN RISES THE SAME AFTER SHUTDOWN.
- [SDR HEEA202601020001](https://openairdocs.org/sdr/HEEA202601020001), Jan 1, 2026: BRACE. INOPERATIVE. ON CLIMB OUT FROM KGLS, RIGHT SIDE LANDING GEAR WOULD NOT RETRACT.
- [SDR HEEA202509050001](https://openairdocs.org/sdr/HEEA202509050001), Sep 3, 2025: TRANSDUCER. INOPERATIVE. NUMBER ONE ENGINE BARRIER FILTER MAINTENANCE CAUTION CAME ON IN FLIGHT RETURNED TO HOUMA. ALL OTHER ENGINE INDICATIONS NORMAL.
- [SDR HEEA202507240001](https://openairdocs.org/sdr/HEEA202507240001), Jul 21, 2025: VALVE. LEAKING. DURING CRUISE FLIGHT, SLOW STEADY DECREASE OF NUMBER 1 ENGINE OIL PSI WAS NOTED.
- [SDR VE7A202505190127](https://openairdocs.org/sdr/VE7A202505190127), May 14, 2025: FIRE DETECTOR. FAILED. #2 ENGINE FIRE CAUTION LIGHT ILLUMINATED AND ALARM SOUND WAS PRESENT DURING FLIGHT.
- [SDR 2025F00046](https://openairdocs.org/sdr/2025F00046), Feb 19, 2025: COMPUTER. FAILED. PILOTS IIDS SCREEN FAILS AT STARTUP. CENTER IIDS SCREEN FAILS INTERMITTENTLY DURING FLIGHT.
- [SDR HEEA202412180001](https://openairdocs.org/sdr/HEEA202412180001), Dec 17, 2024: STARTER GEN. INOPERATIVE. #2 GENERATOR FAILED DURING OUR HIGH ORBIT OF MC773. CONTINUED ORBITING AND FOLLOWED THE EMERGENCY PROCEDURE CHECKLIST. UNABLE TO RESET. LANDED AT MC773 WITHOUT 
- [SDR YTRA2024111500288](https://openairdocs.org/sdr/YTRA2024111500288), Nov 15, 2024: FITTING. CRACKED. LEFT MAIN LANDING GEAR COLLAPSED ONCE AIRCRAFT SETTLED. GEAR WAS DOWN AND LOCKED. FOUND AIRFRAME FITTING CRACKED.
- [SDR YTRA20241127001](https://openairdocs.org/sdr/YTRA20241127001), Nov 13, 2024: FITTING. CRACKED. LEFT MAIN LANDING GEAR COLLAPSED WHEN AIRCRAFT SETTLED. GEAR WAS DOWN AND LOCKED. FOUND AIRFRAME FITTING CRACKED.
- [SDR VE7A2024091700001](https://openairdocs.org/sdr/VE7A2024091700001), Sep 14, 2024: PUMP. FAILED. ON CLIMB OUT WHEN AC WAS TURNED ON ODOR FILLED THE COCKPIT AREA. FLIGHT CANCELED AND RETURNED TO BASE. AIR PUMP MFG BY IMPACT INSTRUMENTATION FAILED AND CAUSED 
- [SDR YTRA2024091626001](https://openairdocs.org/sdr/YTRA2024091626001), Sep 13, 2024: FIRE DETECTOR. INTERMITTENT. #2 ENGINE FIRE LIGHT ILLUMINATED INTERMITTENTLY IN LANDING PHASE OF FLIGHT. REMOVED AND REPLACED #2 REAR FLAME DETECTOR.
- [SDR HEEA202409160001](https://openairdocs.org/sdr/HEEA202409160001), Sep 13, 2024: TRANSDUCER. INOPERATIVE. DURING 3Q CLIMB OUT, FLUCTUATIONS IN TORQUE AND N1 OBSERVED WITH YAW TO THE LEFT. THIS WAS FOLLOWED BY DECU MINOR FAULT. PROCEEDED TO RTB.
- [SDR HEEA202407290001](https://openairdocs.org/sdr/HEEA202407290001), Jul 26, 2024: TRANSMITTER. INOPERATIVE. DURING CRUISE FLIGHT THE MGB PRESSURE INDICATION BEGAN TO FLUCTUATE BETWEEN 65PSI TO 0 PSI. AIRCRAFT RETURNED TO BASE.
- [SDR HEEA202407240001](https://openairdocs.org/sdr/HEEA202407240001), Jul 23, 2024: MOTOR. INOPERATIVE. 15 MINUTES FROM HOUMA, SMOKE WAS OBSERVED COMING OUT OF A/C VENTS. AIR CONDITIONER AND FAN WERE TURNED OFF AND SMOKE IMMEDIATELY STOPPED.
- [SDR HEEA202405230001](https://openairdocs.org/sdr/HEEA202405230001), May 21, 2024: HYDRAULIC SYSTEM. FLUCTUATES. #1 HYDRAULIC FLUCTUATION, RTB
- [SDR HEEA202405210001](https://openairdocs.org/sdr/HEEA202405210001), May 14, 2024: UNKNOWN. SMOKE. DURING CRUISE FLIGHT, EXPERIENCED SMOKE IN COCKPIT FOLLOWED BY ELECTRICAL BURNING SMELL. OPENED DOOR WINDOWS AND TURNED OFF AC AND BLOWER. MC365 WAS WITHIN A MI
- [SDR HEEA202402280001](https://openairdocs.org/sdr/HEEA202402280001), Feb 26, 2024: COMPUTER. FAILED. DURING APPROACH OFFSHORE, #2 AP FAILED.
- [SDR VE7A202402069052](https://openairdocs.org/sdr/VE7A202402069052), Feb 2, 2024: FIRE DETECTOR. FALSE INDICATION. : DURING CRUISE FLIGHT #1 ENG FIRE LIGHT, ALONG WITH AUDIO FLASHED ON FOR ABOUT ONE SECOND. NO SECONDARY INDICATIONS OF FIRE OBSERVED. ELECTED TO ABORT FLIGHT. 
- [SDR HEEA202401310001](https://openairdocs.org/sdr/HEEA202401310001), Jan 30, 2024: TRANSMISSION. MAKING METAL. MAIN GEAR BOX CHIP LIGHT CAME ON. ALL OTHER INDICATIONS WERE NORMAL, RESET CIRCUIT BREAKER, AND LIGHT REMAINED ON. AIRCRAFT RETURNED TO HOUMA.
- [SDR HEEA202401110001](https://openairdocs.org/sdr/HEEA202401110001), Jan 11, 2024: PRESSURE SWITCH. INOPERATIVE. # SERVO SYSTEM LIGHT ILLUMINATED IN CRUISE FLIGHT. FOLLOWED EMERGENCY PROCEDURE CHECK LIST. HYDRAULIC PRESSURE REMAINED IN GREEN. NO BINDING IN CONTROL. SLOWED 
- [SDR U0GA202311150001](https://openairdocs.org/sdr/U0GA202311150001), Nov 13, 2023: CONTROL ROD. DAMAGED. BRISTOW RECENTLY DISCOVERED A LOOSE JAM NUT ON AFT M/R SERVO INPUT ROD END DURING A SCHEDULED INSPECTION. THE JAM NUT IS THE SUBJECT OF FAA AD 2015-19-51, AD 20
- [SDR HEEA202310310001](https://openairdocs.org/sdr/HEEA202310310001), Oct 31, 2023: GAUGE. FAILED. DURING CRUISE FLIGHT THE FUEL QUANTITY GAUGE FAILED EN-ROUTE TO MC773. THE CREW ELECTED TO DIVERT TO THEIR OFFSHORE ALTERNATE TO BE EVALUATED BY MECHANIC.
- [SDR HEEA202310230001](https://openairdocs.org/sdr/HEEA202310230001), Oct 23, 2023: RETAINING RING. DISLODGED. DURING CRUISE FLIGHT, WASHERS AND RETENTION RING WERE SEEN ON THE COPILOT FLOOR. DISCOVERED THE RIGHT TAIL ROTOR PEDAL WAS SLIPPING OFF. RETURNED TO BASE WITH N
- [SDR HEEA202310170002](https://openairdocs.org/sdr/HEEA202310170002), Oct 17, 2023: LANDING GEAR. INOPERATIVE. RTB DUE TO NOSE LANDING GEAR DID NOT RETRACT.
- [SDR U0GA ASR11041](https://openairdocs.org/sdr/U0GA%20ASR11041), Aug 27, 2023: UNKNOWN. UNKNOWN. HOLDING SOUTH OF 92LA AT 500' AGL FOR COMPANY TO CLEAR HOSPITAL HELIPAD, #2 ENGINE FIRE WARNING TONE SOUNDED, #2 ENGINE FIRE LIGHT ILLUMINATED, MASTER CAUTION L
- [SDR 2023FA0000392](https://openairdocs.org/sdr/2023FA0000392), Jul 26, 2023: TRANSDUCER. ABNORMAL. MOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTION
- [SDR 2023FA0000387](https://openairdocs.org/sdr/2023FA0000387), Jul 26, 2023: TRANSDUCER. ABNORMAL. MOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUE
- [SDR 2023FA0000391](https://openairdocs.org/sdr/2023FA0000391), Jul 14, 2023: TRANSDUCER. ABNORMAL. MOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTION
- [SDR 2023FA0000386](https://openairdocs.org/sdr/2023FA0000386), Jun 13, 2023: TRANSDUCER. ABNORMAL. MOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUE
- [SDR 2023FA0000390](https://openairdocs.org/sdr/2023FA0000390), Jun 5, 2023: TRANSDUCER. ABNORMAL. MOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTION
- [SDR 2023FA0000389](https://openairdocs.org/sdr/2023FA0000389), May 2, 2023: TRANSDUCER. ABNORMAL. MOMENTARY ENGINE ROLL BACK WITH TORQUE SPLIT AND YAWING MOTION.
- [SDR 2023FA0000385](https://openairdocs.org/sdr/2023FA0000385), Apr 20, 2023: TRANSDUCER. ABNORMAL. MOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUE
- [SDR 2023FA0000213](https://openairdocs.org/sdr/2023FA0000213), Apr 13, 2023: TRANSDUCER. DEFECTIVE. PILOT REPORT: WHEN DEPARTING PN44 IN 431MK WITH TWO PAX ONBOARD, WE EXPERIENCED A MOMENTARY LOSS OF POWER WITH ENGINE OSCILLATIONS. ON TAKEOFF WE PULLED APPROXI
- [SDR 2023FA0000384](https://openairdocs.org/sdr/2023FA0000384), Mar 23, 2023: TRANSDUCER. ABNORMAL. MOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUE
- [SDR 2023FA0000388](https://openairdocs.org/sdr/2023FA0000388), Mar 16, 2023: TRANSDUCER. ABNORMAL. ENGINE OUT INDICATION WITH A TORQUE SPLIT AND YAWING MOTION MOMENTARILY
- [SDR 2023F00074](https://openairdocs.org/sdr/2023F00074), Mar 3, 2023: CABLE. INOPERATIVE. DURING INITIAL LANDING CHECK, THE GEAR LEVER WAS MOVE TO THE LOWERED POSITION. THE NOSE GEAR LIGHT WOULD NOT ILLUMINATE AND WAS INDICATING UNLOCKED. CREW VERIFI
- [SDR 2023FA0000383](https://openairdocs.org/sdr/2023FA0000383), Mar 1, 2023: TRANSDUCER. ABNORMAL. MOMENTARY PARTIAL POWER LOSS WITH YAW KICK AND LOSS OF TORQUE
- [SDR 2023FA0000085](https://openairdocs.org/sdr/2023FA0000085), Feb 10, 2023: CONTACTOR. INOPERATIVE. DURING CRUISE IN IMC NO 2 DC GENERATOR FAILED AND DID NOT RESET AFTER EMERGENCY PROCEDURE WAS PERFORMED.
- [SDR YTRA22249](https://openairdocs.org/sdr/YTRA22249), Sep 2, 2022: FIRE DETECTOR. DEFECTIVE. AT APPROXIMATELY 10:30 AM ENROUTE FROM MC109 TO GALLIANO WHILE CRUISING AT 2200 FT AND ABOUT 45 MILES FROM THE BASE THE #1 ENGINE FIRE LIGHT ILLUMINATED WITH TH
- [SDR YTRA22244](https://openairdocs.org/sdr/YTRA22244), Sep 1, 2022: SMOKE DETECTOR. SMOKE. "AFT BAGGAGE" CAUTION LIGHT ILLUMINATED DURING DEPARTURE CLIMB OUT. ON LANDING THE SIC INSPECTED THE BAGGAGE COMPARTMENT AND NOTED SMOKE COMING OUT. THE PIC AND
- [SDR YTRA2218101](https://openairdocs.org/sdr/YTRA2218101), Jun 30, 2022: CONNECTOR. BURNED. DURING THE FIRST ENGINE CHECK, SMOKE WAS DETECTED IN THE CABIN SO WE ABORTED THE CHECK SHUTDOWN THE ENGINES DOWN AND EVACUATED THE AIRCRAFT.
- [SDR 2023FA0000583](https://openairdocs.org/sdr/2023FA0000583), Jun 27, 2022: KEELBEAM. CORRODED. BONDED ASSY. KEEL BEAM PANEL CORRODED BEYOND LIMITS. REPLACED CORRODED KEEL BEAM WITH SERVICEABLE KEEL BEAM.
- [SDR 2022FA0000220](https://openairdocs.org/sdr/2022FA0000220), Apr 19, 2022: NONE. LEAKING. ON CLIMB OUT FROM ARA THERE WAS A STRONG SMELL OF FUEL. ALL CREW MEMBERS SMELLED IT. RTB AND SHUT DOWN.
- [SDR 2023FA0000382](https://openairdocs.org/sdr/2023FA0000382), Mar 24, 2022: TRANSDUCER. ABNORMAL. AIRCRAFT HAS A MOMENTARY POWER LOSS WITH ENGINE OUT INDICATION AND TORQUE SPLIT WITH A YAWING MOTION,
- [SDR 2023FA0000381](https://openairdocs.org/sdr/2023FA0000381), Mar 24, 2022: TRANSDUCER. ABNORMAL. INFLIGHT MOMENTARY ENGINE ROLLBACK WITH YAW KICK AND TORQUE LOSS
- [SDR 2022FA0000632](https://openairdocs.org/sdr/2022FA0000632), Feb 6, 2022: FIRE WARNING. FALSE INDICATION. FALSE FIRE WARNING DURING FIGHT
- [SDR ALGA2020073103002](https://openairdocs.org/sdr/ALGA2020073103002), Jul 28, 2020: PUMP. FAILED. AFTER TAKEOFF, IN CRUISE, THE NR 1 HYDRAULICS INDICATOR DROPPED TO ZERO AND THE NR 1 SERVO LIGHT IN THE CAUTION ADVISORY PANEL ILLUMINATED BY SLIGHT FEED BACK I
- [SDR HEER202001023483](https://openairdocs.org/sdr/HEER202001023483), Dec 23, 2019: WIRE. BURNED. SMOKE IN CABIN. FOUND WIRE ON MOTOR BURNT/CHAFED. REPLACED A/C BLOWER ASSEMBLY.
- [SDR ALGA20191205154](https://openairdocs.org/sdr/ALGA20191205154), Dec 3, 2019: DUCT. CRACKED. THE CABIN HEATER WAS ON AND AS USUAL SMALL AMOUNT OF SMOKE & ENGINE CLEANER ODOR IS PRESENT WHEN HEATER IS INITIALLY TURNED ON. CREW INFORMED PASSENGERS THAT TH
- [SDR ALGA020190828087](https://openairdocs.org/sdr/ALGA020190828087), Aug 24, 2019: MAGNETIC SEAL. LEAKING. OIL PRESSURE ON #2 ENGINE FLUCTUATING BETWEEN 30-45PSI , OIL TEMP BEGAN TO DECREASE FROM 74 DEG C - 67 DEG C . OIL PRESSURE LIGHT ILLUMINATED . ENGINE WAS SECUR

All 717: https://openairdocs.org/model/sikorsky-s-76c/reports.md

## STCs that may be installed (OpenAirDocs) (352, 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 SR12301IB](https://openairdocs.org/stc/SR12301IB): Installation of Nginuity DAQ9000 as an alternate Flight Data Acquisition Unit (FDAU). 365 AEROSPACE DDS LIMITED
- [STC SR04465NY](https://openairdocs.org/stc/SR04465NY): Installation of the iPad Mount. Avio Design Group Inc
- [STC SR02727SE](https://openairdocs.org/stc/SR02727SE): Installation and maintenance of the Sunspot 36 and 46 series lights. Whelen Aerospace Technologies
- [STC SR12106IB](https://openairdocs.org/stc/SR12106IB): Installation of Upgrade of Radar Altimeter for 5G Resiliency. Maxcraft Avionics Ltd
- [STC SR268CH](https://openairdocs.org/stc/SR268CH): Installation of BFG FlightSystems TCAS I (Model TCAS-791/A). Acron Aviation Inc
- [STC SR01955SE](https://openairdocs.org/stc/SR01955SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR02473AK](https://openairdocs.org/stc/SR02473AK): Installation of the L-3 Communications NGT-9000R/RD and NGT-9000/D ADS-B IN/OUT system. StandardAero Atlantic USA Inc
- [STC SR09011RC](https://openairdocs.org/stc/SR09011RC): Manufacture of an emergency exit window in passenger door. HELIFAB
- [STC SR09211RC](https://openairdocs.org/stc/SR09211RC): Installation of an external mount life raft deployment system. HELIFAB
- [STC SR09355RC](https://openairdocs.org/stc/SR09355RC): Installation of 12 place passenger seats. HELIFAB
- [STC SR01367SE](https://openairdocs.org/stc/SR01367SE): Installation of Rockwell Collins Four Tube FDS 2000 Electronic Flight Instrument System (EFIS) and Rockwell Collins AHC 3000 Attitude Heading Reference System (AHRS). Helifab
- [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 SR00112BO](https://openairdocs.org/stc/SR00112BO): Installation of either the OuterLink Corporation CP-2 or CP-3i SATCOM System in accordance with OuterLink Corporation Master Document List No. D000-0042, Revision N, dated August 19, 2009, or later FAA-approved revision. Outerlink Corporation
- [STC SR01520SE](https://openairdocs.org/stc/SR01520SE): Installation of a Modularized Main DC Electrical Junction Box. Helifab
- [STC SR04609NY](https://openairdocs.org/stc/SR04609NY): Installation of Garmin HTAWS (Helicopter Terrain Awareness Warning System). Maxcraft Avionics Ltd
- [STC SR02322AK](https://openairdocs.org/stc/SR02322AK): Installation of a fixed mounted Max-Vis Enhanced Vision System (EVS) Model 1500. PECO Inc
- [STC SR00925DE](https://openairdocs.org/stc/SR00925DE): Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality. Peregrine
- [STC SR04440NY](https://openairdocs.org/stc/SR04440NY): Installation of the Mid Continent MD302 Standby Attitude Module. Maxcraft Avionics Ltd
- [STC SR02667SE](https://openairdocs.org/stc/SR02667SE): Installation of a Honeywell ASPIRE 200 Intermediate Gain (IG) SATCOM system. Honeywell International
- [STC SR00764DE](https://openairdocs.org/stc/SR00764DE): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out functionality using the Trig Avionics TT22 Transponder and Freeflight Systems 1201 Global Positioning System (GPS) with Wide Area Augmentation System (WAAS). Peregrine
- [STC SH5778SW](https://openairdocs.org/stc/SH5778SW): Addition of Electrically Driven Vapor Cycle, Freon or Refrigerant R-134a, Air Conditioning System. Air Comm Corporation
- [STC SR00391DE](https://openairdocs.org/stc/SR00391DE): Installation of TREC dual patient handling system. LifePort LLC
- [STC SR02125LA](https://openairdocs.org/stc/SR02125LA): Installation of a One Man Loading Patient Litter System. LifePort LLC
- [STC SR02611NY-D](https://openairdocs.org/stc/SR02611NY-D): Installation of the LifePort One Man Loading Patient Litter System. LifePort LLC
- [STC SH8678SW](https://openairdocs.org/stc/SH8678SW): Installation of an electronic bay access door window. The NORDAM Group LLC
- [STC SH8679SW](https://openairdocs.org/stc/SH8679SW): Installation of a chin window. The NORDAM Group LLC
- [STC SR04023CH](https://openairdocs.org/stc/SR04023CH): Install air ambulance conversion. Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC SR00847DE](https://openairdocs.org/stc/SR00847DE): Replacement of Honeywell (formerly Sperry) ED-800 cathode ray tube (CRT) display, part number (p/n) 7003110-901/-902, with Esterline CMC Electronics CMA-6800 multi-purpose liquid crystal display (LCD), p/n 100-604045-001/-002, respectively. Peregrine
- [STC SR03551NY](https://openairdocs.org/stc/SR03551NY): Installation of Garmin GTX33H Mode S Transponder and GTS Traffic System. Maxcraft Avionics Ltd
- [STC SR03573NY](https://openairdocs.org/stc/SR03573NY): Installation of Garmin GTN/GNS() Navigation with EDZ-705 or EDZ-756 EFIS. Maxcraft Avionics Ltd
- [STC SR04227NY](https://openairdocs.org/stc/SR04227NY): Installation of Garmin GWX Weather Radar System. Maxcraft Avionics Ltd
- [STC SR00256BO](https://openairdocs.org/stc/SR00256BO): Installation of Universal Avionics Systems Corporation (UASC) Software Control Number (SCN) 31.X in UASC Cockpit Display Computer (UCDC) P/N 3040-05-( ). Pro Star Aviation, LLC
- [STC SR00264BO](https://openairdocs.org/stc/SR00264BO): Installation of Garmin GMX 200 Multi Function Display. Pro Star Aviation, LLC
- [STC SR00274BO](https://openairdocs.org/stc/SR00274BO): Installation of an L3 Communications GH-3100 Electronic Standby Instrument System (ESIS) and Optional Emergency Bus. Pro Star Aviation, LLC
- [STC SR00275BO](https://openairdocs.org/stc/SR00275BO): Installation of tail shaft cover antenna mount. Pro Star Aviation, LLC
- [STC SR00287BO](https://openairdocs.org/stc/SR00287BO): Installation of a single UNS-1Fw/Lw Flight Management System (FMS) with embedded Wide Area Augmentation System and a Universal LP/LPV Monitor in accordance with ProStar Installation Data List (IDL) No. 20819-IDL-01, Revision E, dated 4 Feburary 2011, or later FAA-approved revisions. Pro Star Aviation, LLC
- [STC SR00289BO](https://openairdocs.org/stc/SR00289BO): Installation ofa Kollsman General Aviation Vision System (GAViS ). Pro Star Aviation, LLC
- [STC SR04022NY](https://openairdocs.org/stc/SR04022NY): AF-ADELT improved installation. Caledonian Airborne Systems Ltd Caledonian House
- [STC SR02445NY-D](https://openairdocs.org/stc/SR02445NY-D): Installation of a Canadian Marconi (CMC) CMA-2012C in place of a RACAL 91 Doppler. RSG Products
- [STC SR01616SE](https://openairdocs.org/stc/SR01616SE): Installation of an engine air filter system. Aerometals
- [STC SR00763DE](https://openairdocs.org/stc/SR00763DE): Installation of a 62 Gallon Auxiliary Fuel Tank in the baggage compartment. Helifab Inc
- [STC SR09577RC](https://openairdocs.org/stc/SR09577RC): Installation of an Automatic Deployable Emergency Locator Transmitter (ADELT) System. Bristow US LLC
- [STC SR02455AK](https://openairdocs.org/stc/SR02455AK): Installation of a Honeywell Enhanced Ground Proximity Warning System (EGPWS). Vector Aerospace Helicopter Services USA Inc
- [STC SR02458AK](https://openairdocs.org/stc/SR02458AK): Installation of an LSI Helicopter Emergency Egress Lighting (HEEL) System. Vector Aerospace Helicopter Services USA Inc
- [STC SR02459AK](https://openairdocs.org/stc/SR02459AK): Installation of a Honeywell Multifunction Radar Display (MFRD). Vector Aerospace Helicopter Services USA Inc
- [STC SR02460AK](https://openairdocs.org/stc/SR02460AK): Installation of a Sagem Auxiliary Flight Data Acquisition & Management Unit (AFDAMU) & Fairchild Cockpit Voice & Data Recorder (CVDR) system. Vector Aerospace Helicopter Services USA Inc
- [STC SR02461AK](https://openairdocs.org/stc/SR02461AK): Installation of a Bendix/King KTA 970 TCAS 1 traffic collision avoidance system. Vector Aerospace Helicopter Services USA Inc
- [STC SR02462AK](https://openairdocs.org/stc/SR02462AK): Installation of a Garmin GPS 400 system. Vector Aerospace Helicopter Services USA Inc
- [STC SR02456AK](https://openairdocs.org/stc/SR02456AK): Installation of a D1000C Iridium Satcom Blue Sky System. Vector Aerospace Helicopter Services USA Inc
- [STC SR02457AK](https://openairdocs.org/stc/SR02457AK): Installation of an ACH1000 Advanced Control System Head for an Iridium Satcom Blue Sky System. Vector Aerospace Helicopter Services USA Inc

All 352: https://openairdocs.org/model/sikorsky-s-76c/stcs.md

## PMA parts (OpenAirDocs) (over 1,000, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [41000936VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193596611520261008195519.0001): Filter Assembly. Vision Air Services, LLC · PMA PQ2075NM · Replaces 41000936 · Sep 28, 2026
- [MDLDL-S76V](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192310890320260923124153.0001): Cabin Ventilation System. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026
- [76-0102-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188055054120260923124154.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-3 · Aug 31, 2026
- [76-0102-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160282050120260923124154.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-2 · Aug 31, 2026
- [85-02-101-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159302276220260923124153.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026
- [76-0102-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149639921020260923124154.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-4 · Aug 31, 2026
- [76-0102-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149496027820260923124154.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-1 · Aug 31, 2026
- [85-02-101-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135987756920260923124153.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026
- [MDLDL-76H](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107696283220260923124153.0001): Cabin Heater & Defrost System. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026
- [85-02-101-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID102878455320260923124153.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Modification part · Aug 31, 2026
- [30006857-002VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187580376820260527183049.0001): Washer. Vision Air Services, LLC · PMA PQ2075NM · Replaces 30006857-002 · May 13, 2026
- [30006857-007VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186320110820260527183050.0001): Washer. Vision Air Services, LLC · PMA PQ2075NM · Replaces 30006857-007 · May 13, 2026
- [30006857-003VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163951162620260527183049.0001): Washer. Vision Air Services, LLC · PMA PQ2075NM · Replaces 30006857-003 · May 13, 2026
- [30006857-004VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156854783420260527183049.0001): Washer. Vision Air Services, LLC · PMA PQ2075NM · Replaces 30006857-004 · May 13, 2026
- [30006857-005VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153093390820260527183049.0001): Washer. Vision Air Services, LLC · PMA PQ2075NM · Replaces 30006857-005 · May 13, 2026
- [30006857-001VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147037094020260527183048.0001): Washer. Vision Air Services, LLC · PMA PQ2075NM · Replaces 30006857-001 · May 13, 2026
- [30006857-006VA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111597629220260527183050.0001): Washer. Vision Air Services, LLC · PMA PQ2075NM · Replaces 30006857-006 · May 13, 2026
- [M150SG1093-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163258157920260423171424.0001): Wave Spring. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1093-2 · Mar 27, 2026
- [M2002-8HL](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145739570120260423171424.0001): Brush, Electrical Contact. Miraj Corporation · PMA PQ0870NE · Replaces 200SGL1009-19 · Mar 27, 2026
- [M150SG1071](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131310407020260423171425.0001): Nut, Self Locking. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1071 · Mar 27, 2026
- [M150SG1391](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120559034320260423171425.0001): Spring Seat Nut. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1391 · Mar 27, 2026
- [WF336342](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID154901280120250602133029.0001): Filter Element, Lube. Donaldson Company Inc · PMA PQ2432CE · Replaces 038088-08, P-1050 · May 23, 2025
- [1711125-003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161707096320250603111539.0001): Accumulator-Res. Arkwin Industires Inc · PMA PQ0365NE · Replaces 76650-09809-104 · May 12, 2025
- [0911077-004](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176257935120250516113312.0001): Landing Gear Control Valve. Arkwin Industires Inc · PMA PQ0365NE · Replaces 76650-02802-104 · May 5, 2025
- [1211206-017](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136667945620250516113230.0001): Pedal Damper. Arkwin Industires Inc · PMA PQ0365NE · Replaces 76900-01810-117 · May 5, 2025
- [1211206-019](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189251901620250516112134.0001): Pedal Damper. Arkwin Industires Inc · PMA PQ0365NE · Replaces 76900-01810-116 · Apr 16, 2025
- [0711311-005](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186865851320250417183453.0001): Reservoir. Arkwin Industires Inc · PMA PQ0365NE · Replaces 76650-09801-105 · Apr 16, 2025
- [0711311-004](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170538461320250417183451.0001): Reservoir. Arkwin Industires Inc · PMA PQ0365NE · Replaces 76650-09801-104 · Apr 16, 2025
- [1211206-013](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137680429720250417183242.0001): Pedal Damper. Arkwin Industires Inc · PMA PQ0365NE · Replaces 76900-01810-110 · Apr 16, 2025
- [76-0102-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191791009020250213205342.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-2 · Feb 10, 2025
- [76-0102-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184051605320250213205342.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-3 · Feb 10, 2025
- [MDLDL-76H](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184003755820250213205340.0001): Cabin Heater & Defrost System. Air Comm Corporation · PMA PQ0072NM · Modification part · Feb 10, 2025
- [76-0102-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155325033720250213205341.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-1 · Feb 10, 2025
- [MDLDL-S76V](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132974183520250213205340.0001): Cabin Ventilation System. Air Comm Corporation · PMA PQ0072NM · Modification part · Feb 10, 2025
- [76-0102-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127797570320250213205342.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Replaces 76-0102-4 · Feb 10, 2025
- [85-02-101-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123422806620250213205341.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Modification part · Feb 10, 2025
- [85-02-101-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116538229020250213205341.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Modification part · Feb 10, 2025
- [85-02-101-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115117431520250213205341.0001): Air Conditioning System Kit. Air Comm Corporation · PMA PQ0072NM · Modification part · Feb 10, 2025
- [ST-9272-102](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197981117520241226150922.0001): Interior Antenna Mount. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9272-110-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183916408620241226150923.0001): AV-289 Antenna External Doubler. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9272-110-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178440255220241226150923.0001): AV-289 Antenna Internal Doubler. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [N00-5500](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169804073320241226150923.0001): GPS/Iridium Antenna. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9925-103-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160688407720241226150924.0001): MIMO Antenna Internal Doubler. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9272-103-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155702201320241226150922.0001): MIMO Antenna External Doubler. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [N004-5000](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150709783020241226150923.0001): CP-3i. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9272-103-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150330231020241226150923.0001): MIMO Antenna Internal Doubler. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9272-101-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149506645520241226150922.0001): Fairing Grounding Strap. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9925-101-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138001355020241226150924.0001): Connector Plate. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9272-101-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132830891620241226150921.0001): GPS/Iridium Antenna Mount Doubler. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024
- [ST-9925-113-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127040362120241226150924.0001): CP-3i Box Flat Mount. Sterling Helicopter · PMA PQ10048NE · Modification part · Nov 22, 2024

All of them: https://openairdocs.org/model/sikorsky-s-76c/pma.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Keystone Helicopter S-76C](https://openairdocs.org/model/keystone-helicopter-s-76c): 13 registered aircraft, registry code 4900105
- [Keystone Helicopter S-76C](https://openairdocs.org/model/keystone-helicopter-s-76c): 10 registered aircraft, registry code 4900103

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