# Sikorsky S-76B

- Type: Aircraft model (FAA registry)
- Registry code: 8143007
- Manufacturer (registry): SIKORSKY
- Model: S-76B
- 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: 34
- Page: https://openairdocs.org/model/sikorsky-s-76b

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 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 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 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 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
- [AD 96-15-03](https://openairdocs.org/ad/96-15-03): Drive Shaft Assemblies · Sikorsky S-76B. Effective Aug 19, 1996
- [AD 88-05-01 R1](https://openairdocs.org/ad/88-05-01-R1): Engine Support Cross Beam · Sikorsky S-76B. Effective Jul 16, 1990
- [AD 89-07-12](https://openairdocs.org/ad/89-07-12): Tail Rotor Horn · Sikorsky S-76A and S-76B. Effective Apr 27, 1989
- [AD 87-23-07 R1](https://openairdocs.org/ad/87-23-07-R1): Electrical Door Locking Actuators · Sikorsky S-76A and S-76B. Effective Jan 11, 1989
- [AD 87-25-02](https://openairdocs.org/ad/87-25-02): Ground Connections · Sikorsky S-76A and S-76B. Effective Dec 31, 1987
- [AD 87-12-06](https://openairdocs.org/ad/87-12-06): Generator Control Unit · Sikorsky S-76A and S-76B. Effective Jun 10, 1987
- [AD 86-19-14](https://openairdocs.org/ad/86-19-14): Tail Rotor Assembly · Sikorsky S-76A and S-76B. Effective Jan 30, 1987
- [AD 86-14-07](https://openairdocs.org/ad/86-14-07): Push Rod Assembly · Sikorsky S-76A and S-76B. Effective Oct 20, 1986

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 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 (34)

- [N11110](https://openairdocs.org/aircraft/N11110): [Arrow Aviation Co LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760429
- [N120DT](https://openairdocs.org/aircraft/N120DT): [Iflyajet Inc](https://openairdocs.org/faa-owner/IFLYAJET%20INC), [Lawrenceville, GA](https://openairdocs.org/faa-place/GA/Lawrenceville), built 1990, S/N 760362
- [N141MH](https://openairdocs.org/aircraft/N141MH): [Cinema Aircraft Executive Transportation LLC](https://openairdocs.org/faa-owner/CINEMA%20AIRCRAFT%20EXECUTIVE%20TRANSPORTATION%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1997, S/N 760465
- [N159CM](https://openairdocs.org/aircraft/N159CM): [Momentum Foundation Inc](https://openairdocs.org/faa-owner/MOMENTUM%20FOUNDATION%20INC), [Tullahoma, TN](https://openairdocs.org/faa-place/TN/Tullahoma), built 1987, S/N 760333
- [N164AM](https://openairdocs.org/aircraft/N164AM): [Islander Holdings Ltd](https://openairdocs.org/faa-owner/ISLANDER%20HOLDINGS%20LTD), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1994, S/N 760427
- [N176BA](https://openairdocs.org/aircraft/N176BA): [Islander Holdings Ltd](https://openairdocs.org/faa-owner/ISLANDER%20HOLDINGS%20LTD), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1985, S/N 760317
- [N176DP](https://openairdocs.org/aircraft/N176DP): [Dodson International Parts Inc](https://openairdocs.org/faa-owner/DODSON%20INTERNATIONAL%20PARTS%20INC), [Rantoul, KS](https://openairdocs.org/faa-place/KS/Rantoul), S/N 760356
- [N208S](https://openairdocs.org/aircraft/N208S): [Sugar Pine Aviation LLC](https://openairdocs.org/faa-owner/SUGAR%20PINE%20AVIATION%20LLC), [Merlin, OR](https://openairdocs.org/faa-place/OR/Merlin), built 1992, S/N 760399
- [N212Y](https://openairdocs.org/aircraft/N212Y): [S76b LLC](https://openairdocs.org/faa-owner/S76B%20LLC), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York), built 1989, S/N 760357
- [N269FL](https://openairdocs.org/aircraft/N269FL): [Blackbird Aero LLC](https://openairdocs.org/faa-owner/BLACKBIRD%20AERO%20LLC), [Boca Raton, FL](https://openairdocs.org/faa-place/FL/Boca%20Raton), built 1987, S/N 760335
- [N280TR](https://openairdocs.org/aircraft/N280TR): [Aircraft Guaranty Corporation Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORPORATION%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1988, S/N 760344
- [N468ZB](https://openairdocs.org/aircraft/N468ZB): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1988, S/N 760345
- [N473QH](https://openairdocs.org/aircraft/N473QH): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1986, S/N 760331
- [N473WB](https://openairdocs.org/aircraft/N473WB): [Orlando, FL](https://openairdocs.org/faa-place/FL/Orlando), built 1992, S/N 760409, Sale reported
- [N509HH](https://openairdocs.org/aircraft/N509HH): [Coulson Aviation (USA) Inc](https://openairdocs.org/faa-owner/COULSON%20AVIATION%20(USA)%20INC), [Portland, OR](https://openairdocs.org/faa-place/OR/Portland), S/N 760312
- [N61DJ](https://openairdocs.org/aircraft/N61DJ): [Black Badge Aviation LLC](https://openairdocs.org/faa-owner/BLACK%20BADGE%20AVIATION%20LLC), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1991, S/N 760380
- [N751LL](https://openairdocs.org/aircraft/N751LL): [State Of Illinois](https://openairdocs.org/faa-owner/STATE%20OF%20ILLINOIS), [Springfield, IL](https://openairdocs.org/faa-place/IL/Springfield), S/N 760318
- [N760GP](https://openairdocs.org/aircraft/N760GP): [Industrial Integrity Solutions LLC](https://openairdocs.org/faa-owner/INDUSTRIAL%20INTEGRITY%20SOLUTIONS%20LLC), [Ontario, CA](https://openairdocs.org/faa-place/CA/Ontario), built 1996, S/N 760448
- [N760JE](https://openairdocs.org/aircraft/N760JE): [Islander Holdings Ltd](https://openairdocs.org/faa-owner/ISLANDER%20HOLDINGS%20LTD), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1997, S/N 760462
- [N760PV](https://openairdocs.org/aircraft/N760PV): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), built 1994, S/N 760425
- [N761CG](https://openairdocs.org/aircraft/N761CG): [Coulson Aviation (USA) Inc](https://openairdocs.org/faa-owner/COULSON%20AVIATION%20(USA)%20INC), [Portland, OR](https://openairdocs.org/faa-place/OR/Portland), built 1994, S/N 760410
- [N7644S](https://openairdocs.org/aircraft/N7644S): [Islander Holdings Ltd](https://openairdocs.org/faa-owner/ISLANDER%20HOLDINGS%20LTD), [Ft Lauderdale, FL](https://openairdocs.org/faa-place/FL/Ft%20Lauderdale), S/N 760314
- [N768SX](https://openairdocs.org/aircraft/N768SX): [Rentco LLC](https://openairdocs.org/faa-owner/RENTCO%20LLC), [Deer Park, TX](https://openairdocs.org/faa-place/TX/Deer%20Park), built 1991, S/N 760372
- [N76CG](https://openairdocs.org/aircraft/N76CG): [Csc Delaware Trust Co Trustee](https://openairdocs.org/faa-owner/CSC%20DELAWARE%20TRUST%20CO%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1989, S/N 760355
- [N76DN](https://openairdocs.org/aircraft/N76DN): [Fastboy Equipment LLC](https://openairdocs.org/faa-owner/FASTBOY%20EQUIPMENT%20LLC), [Beasley, TX](https://openairdocs.org/faa-place/TX/Beasley), S/N 760351
- [N76EX](https://openairdocs.org/aircraft/N76EX): [Island Express Helicopters Inc](https://openairdocs.org/faa-owner/ISLAND%20EXPRESS%20HELICOPTERS%20INC), [Henderson, NV](https://openairdocs.org/faa-place/NV/Henderson), built 1988, S/N 760342
- [N76FL](https://openairdocs.org/aircraft/N76FL): [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 1988, S/N 760347
- [N76VR](https://openairdocs.org/aircraft/N76VR): [Arrow Aviation Co LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), built 1989, S/N 760360
- [N776DP](https://openairdocs.org/aircraft/N776DP): [Delaware Park LLC](https://openairdocs.org/faa-owner/DELAWARE%20PARK%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1991, S/N 760367
- [N780J](https://openairdocs.org/aircraft/N780J): [Coulson Aviation (USA) Inc](https://openairdocs.org/faa-owner/COULSON%20AVIATION%20(USA)%20INC), [Portland, OR](https://openairdocs.org/faa-place/OR/Portland), S/N 760352
- [N7TP](https://openairdocs.org/aircraft/N7TP): [Dt Connect II LLC](https://openairdocs.org/faa-owner/DT%20CONNECT%20II%20LLC), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York), built 1989, S/N 760353
- [N844LC](https://openairdocs.org/aircraft/N844LC): [Warbirds-3 LLC](https://openairdocs.org/faa-owner/WARBIRDS-3%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1987, S/N 760332
- [N9082A](https://openairdocs.org/aircraft/N9082A): [Arrow Aviation Co LLC](https://openairdocs.org/faa-owner/ARROW%20AVIATION%20CO%20LLC), [Broussard, LA](https://openairdocs.org/faa-place/LA/Broussard), S/N 760428
- [N976AL](https://openairdocs.org/aircraft/N976AL): [Ballard Aviation Inc](https://openairdocs.org/faa-owner/BALLARD%20AVIATION%20INC), [Newton, KS](https://openairdocs.org/faa-place/KS/Newton), S/N 760439

## NTSB investigations (6)

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 DCA20MA059](https://openairdocs.org/ntsb/DCA20MA059), Jan 26, 2020: Sikorsky S76 (N72EX), Calabasas, CA, destroyed, 9 fatal. Probable cause: The pilot’s decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to…
- [NTSB ENG18WA034](https://openairdocs.org/ntsb/ENG18WA034), May 17, 2018: Sikorsky S76 (N76VR), Valle Nuevo, Dominican Republic, substantial damage
- [NTSB CEN14CA082](https://openairdocs.org/ntsb/CEN14CA082), Dec 5, 2013: Sikorsky S 76B (N707MY), Port Fourchon, LA, substantial damage. Probable cause: The pilot's loss of control of the helicopter when it entered a settling with power condition during sudden gusty wind conditions on takeoff resulting in the helicopter subsequently impacting terrain.
- [NTSB CEN12FA250](https://openairdocs.org/ntsb/CEN12FA250), Apr 17, 2012: Sikorsky S-76B (N56RD), Gulf of Mexico, LA, substantial damage. Probable cause: The intermittent loss of engine power due to a "stuck" stepper motor in the No. 2 engine's fuel control as a result of an inadequate overhaul. Contributing to the accident was the pilot's decision to…
- [NTSB LAX08LA200](https://openairdocs.org/ntsb/LAX08LA200), Jun 27, 2008: Sikorsky S-76A (N343AA), Santa Maria, CA, substantial damage. Probable cause: The copilot's misjudged clearance from an object during a hovering turn for landing. Contributing to the accident were the inadequately marked heliport surface and the close proximity of an…
- [NTSB NYC86MA148](https://openairdocs.org/ntsb/NYC86MA148), Jun 6, 1986: Sikorsky S-76B (N5AZ), Sutton, MA, destroyed, 4 fatal

## FAA accident and incident reports (10)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20200126001589A](https://openairdocs.org/incident/20200126001589A), Jan 26, 2020: Sikorsky S-76B (N72EX), Calabasas, CA, Destroyed, 9 fatal. On January 26, 2020, at 0945 pacific standard time (PST), a Sikorsky S-76B helicopter, N72EX, Collided with hilly terrain near the city of Calabasas,…
- [Incident 20180705018682I](https://openairdocs.org/incident/20180705018682I), Jul 5, 2018: Sikorsky S-76B (N76EX), Long Beach, CA, Minor damage. On July 5, 2018, island express helicopters personnel were preparing four company aircraft for a photo shoot. Two S-76 helicopters, N71EX and N76EX, were…
- [Incident 20170614013289I](https://openairdocs.org/incident/20170614013289I), Jun 14, 2017: Sikorsky SK-76 (N7TP), New York, NY, Minor damage. N7TP approached helipad eastbound over water and made 180 degree pedal turn to face west prior to touchdown on spot 1. As aircraft decended to touchdown, the…
- [Incident 20140206023569I](https://openairdocs.org/incident/20140206023569I), Feb 6, 2014: Sikorsky S-76B (N591AK), New York, NY, Minor damage. Pilot reports that he had to adjust his approach path due to snow bank and patchy ice at the normal touchdown location. Landing was uneventful. During ground…
- [Accident 20131205024729A](https://openairdocs.org/incident/20131205024729A), Dec 5, 2013: Sikorsky S-76B (N707MY), Port Fourchon, LA, Substantial damage. Pilot reported that after liftoff, at approximately 50 feet he felt the wind change direction. At this point the aircraft began to lose lift and settled with…
- [Accident 20130427008659A](https://openairdocs.org/incident/20130427008659A), Apr 27, 2013: Sikorsky S-76B (N305SJ), Constanza, Substantial damage. The pilot strucked a helipad landing light with a landing gear wheel. The helicopter tilted tower ground inducing a dynamic roll over and the main rotor head…
- [Accident 20120417009099A](https://openairdocs.org/incident/20120417009099A), Apr 17, 2012: Sikorsky S-76B (N56RD), Intracoastal Ci, LA, Destroyed. During approach to an oil platform aircraft experienced power loss in number 2 engine and impacted the water.
- [Accident 20080627840659A](https://openairdocs.org/incident/20080627840659A), Jun 27, 2008: Skrsky S76A (N343AA), Lompoc, CA, Substantial damage. (-23) Aircraft landed into wind on platform irene (5 miles off the coast from vandenberg), then began a hovering right turn to position aircraft to disembark…
- [Incident 20080508838469I](https://openairdocs.org/incident/20080508838469I), May 8, 2008: Skrsky S76B (N500WK), Sleep Hollow, NY, Minor damage. (-23) On may 08, 2008, at approximately 1638 hours local time, N500WK, a Sikorsky SK-76B, s/n 760349, while descending to land at a private residence. The main…
- [Accident 19860606021919A](https://openairdocs.org/incident/19860606021919A), Jun 6, 1986: Skrsky S76B (N5AZ), Sutton, MA, Destroyed, 2 fatal. Flight had an uncontrolled altitude deviation en route. Struck trees in high speed descent. Possible EFIS malfunction

## Service difficulty reports (99, newest 50)

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

- [SDR 2022F00091](https://openairdocs.org/sdr/2022F00091), Dec 23, 2021: SPAR CAP. CRACKED. DURING COMPLIANCE WITH SIKORSKY SERVICE BULLETIN 76-015, A CRACK WAS DISCOVERED RADIATING AROUND THE UPPER LEFT HORIZONTAL STABILIZER ATTACHMENT FITTING BOLT HO
- [SDR BTEA2020041600000](https://openairdocs.org/sdr/BTEA2020041600000), Apr 14, 2020: FIRE DETECTOR. INTERMITTENT. DURING PILOT TRAINING WHILE ON AN APPROACH TO LAND, THE #1 ENGINE FIRE WARNING SYSTEM INDICATED A FIRE (LIGHTS AND AURAL) FOR 3-4 SECONDS AND THEN THE INDICATIO
- [SDR ZS4R20151012001](https://openairdocs.org/sdr/ZS4R20151012001), Oct 12, 2015: BOLT. WORN. INPUT LEVER, STOP PIN AND BOLT ARE WORN EXCESSIVELY.
- [SDR CA150507002](https://openairdocs.org/sdr/CA150507002), Apr 12, 2015: OIL SYSTEM. CONTAMINATED. (CAN) AFTER DEPARTURE, PILOT NOTICED A CHIP LIGHT AND HE ELECTED TO TURN BACK TO THE BASE. AN UNEVENTFUL LANDING WAS PERFORMED. MAINTENANCE FOUND WHAT LOOKS LIK
- [SDR AYPR20150109001](https://openairdocs.org/sdr/AYPR20150109001), Jan 6, 2015: SPAR. CRACKED. DURING ROUTINE CHAPTER 5, 500 HOUR, ROOT END SPAR BORESCOPE INSPECTION, NOTICED SHADED AREA. CONFIRMED SHADED AREA AS A CRACK THROUGH INDEPENDENT NDT EDDY CURRE
- [SDR CA141202004](https://openairdocs.org/sdr/CA141202004), Nov 5, 2014: BLADE. FAILED. (CAN) WHILE IN FLIGHT, CREW FELT A THUMP WITH NO IMMEDIATE ENGINE INDICATION CHANGES. THE CREW NOTICED A SLIGHT T5 RISE WHICH STABILIZED. WHILE REDUCING COLLECT
- [SDR 2FLA2014092200154](https://openairdocs.org/sdr/2FLA2014092200154), Sep 22, 2014: FIRE WARNING. ILLUMINATED. FIRE INDICATOR ILLUMINATED IN FLIGHT WITH CORRESPONDING TONE FOR 1.5 SECONDS THEN WENT OUT. HAPPENED FOUR TIMES. LANDED AT NEAREST AIRPORT WITHOUT INCIDENT.
- [SDR CA140630002](https://openairdocs.org/sdr/CA140630002), Jun 16, 2014: OIL SYSTEM. CONTAMINATED. (CAN) THE OPERATOR INITIALLY REPORTED A CHIP INDICATION AND HIGH OIL TEMPERATURE. TECHS REMOVED THE CHIP DETECTOR AND FOUND MINOR DEBRIS. THEY PERFORMED A GROUN
- [SDR CA140401004](https://openairdocs.org/sdr/CA140401004), Mar 25, 2014: CONTROL UNIT. MALFUNCTIONED. (CAN) PILOT REPORTED UNCONTROLLED ACCELERATION AFTER ENGINE START. THE FUEL CONTROL UNIT WAS REPLACED AND THIS CORRECTED ISSUE.
- [SDR 2015FA0000406](https://openairdocs.org/sdr/2015FA0000406), Oct 27, 2013: AMPLIFIER. INTERMITTENT. FALSE FIRE WARNING DURING FLIGHT. MOMENTARY NR 2 ENGINE FIRE INDICATION, 1 TIME ON APPROACH, 2 SECOND DURATION.
- [SDR BTEA201306020001](https://openairdocs.org/sdr/BTEA201306020001), May 11, 2013: SYMBOL GENERATOR. LOOSE. PILOT SIDE EFIS DISPLAY WENT BLACK WITH A RED X ACROSS BOTH DISPLAYS. FAULT FOUND WAS THE MOUNTING RACK LOCKING SCREWS WERE OUT OF ADJUSTMENT, ALLOWING THE SYMB
- [SDR BTEA20121220001](https://openairdocs.org/sdr/BTEA20121220001), Dec 20, 2012: FUEL TANK. LEAKING. LEFT FUEL TANK WAS SEEPING FUEL, IT WAS NOTICED WHILE SETTING IN THE HANGAR. DEFUELED AIRCRAFT, RESEALED FASTENER AT AFT SEAM OF TANK, STA 215.
- [SDR BTEA2012FA0000554](https://openairdocs.org/sdr/BTEA2012FA0000554), Aug 10, 2012: STARTER GEN. FAILED. WHEN THE AIR CONDITIONER WAS TURNED ON, THERE WAS A "POPPING" SOUND IN THE INTERCOMM SYSTEM IN CREW HELMETS. THIS WAS ACCOMPANIED BY AN "AUX BATTERY" LIGHT. INS
- [SDR CA120423008](https://openairdocs.org/sdr/CA120423008), Apr 17, 2012: ENGINE. POWER LOSS. (CAN) UPON LIFT OFF FROM AN OIL RIG, THE ACFT IS REPORTED TO HAVE LOST POWER. THE EMERGENCY FLOATS WERE DEPLOYED BEFORE THE ACFT WAS DITCHED IN THE WATER. NO ON
- [SDR LX5R2011072000001](https://openairdocs.org/sdr/LX5R2011072000001), Jul 20, 2011: HYDRAULIC LINE. RUPTURED. WHILE IN CRUISE FLIGHT, THE CREW NOTICED THE "NR2 SERVO SYSTEM" CAUTION LIGHT. THEY THEN NOTICED THE NR2 HYD PRESSURE GAGE WAS GOING TO ZERO PRESSURE. THEY PROC
- [SDR 2010FA0000480](https://openairdocs.org/sdr/2010FA0000480), May 14, 2010: FITTING. BROKEN. AT TAKEOFF, HELICOPTER EXPERIENCED A NR 2 HYD SYS CAUTION LIGHT ILLUMINATION AND THE NR 2 HYD PRESSURE GAUGE NEEDLE INDICATED ZERO PRESSURE. THE HELICOPTER LAND
- [SDR AMCR200904](https://openairdocs.org/sdr/AMCR200904), Aug 19, 2009: RELAY. FAILED. FREON AIR CONDITIONING SYS WOULD WORK FOR ABOUT 6 SECONDS THEN SHUTOFF. FOUND K1 RELAY WOULD OPERATE BUT NO PWR WOULD PASS THROUGH CONTACTOR. FOUND CONTACTOR PL
- [SDR 2008FA0000620](https://openairdocs.org/sdr/2008FA0000620), Sep 15, 2008: SOCKET. MISINSTALLED. CREW COULD NOT TRANSMIT ON AN FM FREQUENCY THROUGH NR 1 AUDIO CONTROL BOX. MAINT FOUND CONNECTOR PIN SOCKET INSTALLED BACKWARD. THE PART FOR THE WIRE WAS INSTAL
- [SDR DHL2008F00019](https://openairdocs.org/sdr/DHL2008F00019), Jul 16, 2008: RESISTOR. BURNED. AIR CONDITIONING SYSTEM WOULD RUN FOR ABOUT 10 SECONDS THEN QUIT. FOUND THE SPRING RESISTOR BURNED OFF OF THE K-1 RELAY WHICH IS MOUNTED ON THE COMPRESSOR PALLE
- [SDR 2008FA0000355](https://openairdocs.org/sdr/2008FA0000355), May 13, 2008: ACTUATOR. MALFUNCTIONED. PILOT HSI SPINS WILDLY TO THE RIGHT AND DISPLAYS A HEADING FLAG. PILOT`S FLIGHT DIRECTOR MAINTAINS HEADING AND ALTITUDE FOR APPROXIMATELY 30 SECONDS THEN LOSES 
- [SDR EGRR119590](https://openairdocs.org/sdr/EGRR119590), May 7, 2008: ANGLE. CRACKED. DURING INSP, TECH FOUND CRACKED TEE ANGLE P/N 76201-23014-138 AFT SECTION. REMOVED TEE ANGLE FOUND THE ENTIRE ANGLE CRACKED AND THE FWD BATHTUB FITTING P/N 7620
- [SDR 2562](https://openairdocs.org/sdr/2562), Apr 23, 2008: BLADE. CRACKED. DURING INDUCTION, INSPECTION INTO A ROTOR BLADE REPAIR FACILITY, MAIN ROTOR BLADE SPAR WAS FOUND CRACKED (INTERNAL ROOT END). CRACK ORIGINATES FROM LEADING EDGE
- [SDR EGRR119440](https://openairdocs.org/sdr/EGRR119440), Apr 14, 2008: SKIN PANEL. CRACKED. DURING PRELIMINARY INSP FOUND 6.5 INCH CRACK ON LT SIDE SKIN PANEL AT AC STA 254, WATERLINE 107. THE LT SIDE SKIN PANEL WILL BE REPLACED WITH SERVICEABLE ONE.
- [SDR U662008F00000](https://openairdocs.org/sdr/U662008F00000), Mar 4, 2008: INDICATION SYS. UNKNOWN. PILOT REPORTED LOSS OF ALTITUDE AND HEADING INDICATIONS ON HIS SIDE (RT SIDE) WITH ASSOCIATED MALFUNCTION OF AUTOPILOT NR 2. FLOATS WERE DEPLOYED AS PRECAUTIONA
- [SDR 2008FA0000237](https://openairdocs.org/sdr/2008FA0000237), Feb 21, 2008: SPAR. CRACKED. DURING A ROUTINE INSP A SLIGHT, OCCASIONAL CLICK WAS HEARD WHILE FLEXING TAIL ROTOR BLADE. BLADE ASSY PN 761005501042, SN A245-00153 WAS REMOVED FOR PRECAUTIONA
- [SDR CRSCW1R075K](https://openairdocs.org/sdr/CRSCW1R075K), Feb 21, 2008: SPAR. CRACKED. DURING A ROUTINE INSP, A SLIGHT, OCCASIONAL CLICK WAS HEARD WHILE FLEXING TAIL ROTOR BLADE. BLADE ASSY (P/N 76101-05501-042, S/N A245-00153) WAS REMOVED FOR PRE
- [SDR EGRR118593](https://openairdocs.org/sdr/EGRR118593), Jan 17, 2008: ANGLE. CRACKED. DURING 900 HR AIRFRAME INSPECTION WITH HORIZONTAL STABILIZER REMOVED, TECH FOUND AFT SPAR WEB P/N 76201-25002-101 CRACKED NEAR THE TOP LT HORIZONTAL STABILIZER 
- [SDR LX5R200700006](https://openairdocs.org/sdr/LX5R200700006), Sep 13, 2007: ENGINE. MAKING METAL. DURING CRUISE, SHORTLY AFTER T/O NR 2 ENG CHIP LIGHT ILLUMINATED. APPROPRIATE CB WAS PULLED TO TRY AND (BURN) OFF FUSS, BUT LIGHT REMAINED ILLUMINATED. IAW FLIG
- [SDR LX5R200700005](https://openairdocs.org/sdr/LX5R200700005), Aug 15, 2007: BREATHER TUBE. DISCONNECTED. DURING CRUISE FLIGHT THE BAGGAGE SMOKE WARNING LIGHT CAME ON, THE AIR CONDITIONER BLOWER WAS TURNED OFF AND THIS MADE NO EFFECT ON THE WARNING LIGHT. THE HELICO
- [SDR AMCR200700002](https://openairdocs.org/sdr/AMCR200700002), Jun 12, 2007: FIRE DETECTOR. FAULTY. UPON STARTER ENGAGEMENT FOR FIRST ENGINE START (EITHER ENGINE), THE NR 1 ENGINE FIRE ANNUNCIATOR WOULD ILLUMINATE ALONG WITH A FIRE TONE, BUT NO T-HANDLE ILLUMI
- [SDR CA070803004](https://openairdocs.org/sdr/CA070803004), Jun 1, 2007: OIL SYSTEM. LEAKING. (CAN) ENGINE OIL TEMPERATURE WAS OBSERVED TO INCREASE IN FLIGHT AND THE PILOT ELECTED TO SHUT THE ENGINE DOWN. OIL WAS SUBSEQUENTLY SEEN LEAKING FROM THE ENGINE
- [SDR 2007FA0000071](https://openairdocs.org/sdr/2007FA0000071), Jan 10, 2007: TIE BOLT. BROKEN. WHILE PERFORMING A ROUTINE INSPECTION OF THE MAIN ROTOR SPINDLES, A SPINDLE TIE BOLT WAS FOUND BROKEN AT THE THREADED END OF THE BOLT WHERE THE NUT ATTACHES. TH
- [SDR AMCR200600004](https://openairdocs.org/sdr/AMCR200600004), Nov 13, 2006: QUILL. WORN. DURING A POSTFLIGHT INSPECTION, MECHANIC WIGGLED THE IMPELLER OF THE LT OIL COOLER BLOWER AND NOTICED EXCESSIVE PLAY AND PROCEEDED TO REMOVE THE BLOWER. INVESTI
- [SDR EGRR111416](https://openairdocs.org/sdr/EGRR111416), Oct 9, 2006: SERVO. BYPASSING. DURING 2250 HR SERVO INTERNAL LEAKAGE TEST FOUND NR 1 SIDE LEAKAGE RATE AT 1200CC PER MINUTE.
- [SDR EGRR111415](https://openairdocs.org/sdr/EGRR111415), Oct 9, 2006: SERVO. BYPASSING. DURING 2250 HR SERVO INTERNAL LEAKAGE TEST FOUND NR 2 SIDE LEAKAGE RATE AT 1050CC IAW MINUTE.
- [SDR 2006FA0000540](https://openairdocs.org/sdr/2006FA0000540), May 8, 2006: FIRE DETECTOR. FALSE ACTIVATION. ENROUTE, WHEN NR 1 ENG FIRE WARNING SYS WAS ACTIVATED. PILOT REPORTED WARNING LIGHTS, HORN AND T-HANDLES ILLUMINATED WITH FIRE WARNING INDICATION. WARNING STAYE
- [SDR 2006FA0000539](https://openairdocs.org/sdr/2006FA0000539), May 7, 2006: BREATHER TUBE. DETERIORATED. ENROUTE TO A PICK UP A PATIENT. WITHIN 4 MINUTES OF TAKEOFF, MEDICAL CREW REPORTED, SMELLED SMOKE IN CABIN, BECOMING VISIBLE ALSO. PILOT NOTICED IT ABOUT SAME T
- [SDR N382006F00000](https://openairdocs.org/sdr/N382006F00000), Apr 26, 2006: SPAR. CRACKED. MAINTENANCE WAS INVESTIGATING THE STABILIZER WORKING LOOSE IN LESS THAN 10 HOURS SINCE LAST MAKING ADJUSTMENTS. THERE WAS A CONCERN ABOUT A SNAPPING NOISE DURIN
- [SDR AMCR200500007](https://openairdocs.org/sdr/AMCR200500007), Aug 29, 2005: ATTACH FITTING. BROKEN. AFTER LANDING, CREW FOUND RT MAIN GEAR DOOR RESTING ON LANDING GEAR. FOUND DOOR ATTACH BRACKET BROKEN.
- [SDR EGRR100526](https://openairdocs.org/sdr/EGRR100526), May 4, 2005: CONTROL TUBE. CHAFED. DURING A/C INSPECTION FOUND COLLECTIVE CONTROL TUBE IN CABIN VERTICAL TUNNEL CHAFFING ON FWD WALL AND RIVET TAILS SECURING TYE WRAP TIEDOWN STRIP, BEYOND ALLOWA
- [SDR 2005FA0000604](https://openairdocs.org/sdr/2005FA0000604), Apr 1, 2005: LINE. CHAFED. FUEL LINE FROM FUEL CONTROL TO FUEL FLOW TRANSMITTER CHAFED APPROCIMATELY 30 PERCENT THROUGH THE WALL THICKNESS AT THE POINT WHERE IT PASSES THROUGH FRONT FIRE 
- [SDR CA050213004](https://openairdocs.org/sdr/CA050213004), Feb 5, 2005: TUBE. WORN. (CAN) PRIOR TO TAKEOFF, ENGINE POWER REDUCED ACCOMPANIED BY AN INCREASE IN FUEL FLOW. THE TAKEOFF WAS ABORTED. SUBSEQUENT INSPECTION REVEALED A DISLODGED FUEL M
- [SDR LX52004F00000](https://openairdocs.org/sdr/LX52004F00000), May 6, 2004: INDICATOR. INOPERATIVE. THE NR 2 HYDRAULIC SYS RETURN FILTER BYPASS INDICATOR WAS FOUND EXTENDED (POPPED) ON PREFLIGHT CHECK. WHEN WE REMOVED THE FILTER TO CHANGE IT, A SMALL PIN WAS F
- [SDR EGR2004F00000](https://openairdocs.org/sdr/EGR2004F00000), Feb 5, 2003: COMPRESSOR. CRACKED. COMPRESSOR PULLEY SHAFT CRACK AT WOODRUFF KEY.
- [SDR EGR2003F00000](https://openairdocs.org/sdr/EGR2003F00000), Jan 3, 2003: FITTING. CRACKED. FOUND SUPPORT FITTING CRACKED AT RT UPPER STABILIZER ATTACH POINT FLANGE. REPLACED SUPPORT FITTING WITH NEW PART.
- [SDR 12262002](https://openairdocs.org/sdr/12262002), Dec 26, 2002: WINDSHIELD. CRACKED. PILOTS WINDSHIELD CRACKED IN FLIGHT WITH THE WINDSHIELD HEAT "ON". WHEN THE CRACK OCCURED, THERE WERE SPARKS COMING FROM THAT AREA. ALSO, THERE WERE TWO AREAS A
- [SDR JK12002F00000](https://openairdocs.org/sdr/JK12002F00000), Aug 6, 2002: CYLINDER. CRACKED. UPON ROUTINE RESEALING OF THE STRUT, A SMALL CRACK WAS FOUND ON LOWER END OF THE SHOCK STRUT CYLINDER. THIS HELICOPTER IS USED FOR CORPORATE TRANSPORTATION AND 
- [SDR CW12002F00001](https://openairdocs.org/sdr/CW12002F00001), Apr 1, 2002: CABLE. BROKEN. UPON CLOSING THE LEFT TOP ENGINE COWLING, WHEN THE CABLE WAS ACTUATED TO CLOSE THE COWLING THE END ENGAGING PIN BROKE. THE COWLING WAS NOT SECURED PROPERLY. THE
- [SDR AUS20020359](https://openairdocs.org/sdr/AUS20020359), Mar 16, 2002: BLADE. CONTAMINATED. (AUS) TAIL ROTOR BLADE HONEYCOMB CONTAMINATED WITH WATER.
- [SDR 20001218SH012](https://openairdocs.org/sdr/20001218SH012), Dec 4, 2000: FIRE DETECTOR. MALFUNCTIONED. AN ERRONEOUS NR 1 ENGINE FIRE INDICATION (FIRE LIGHT) CAME ON IN-FLIGHT WITH NO OTHER SUPPORTING INDICATIONS OF A FIRE. REPLACED NR 1 FORWARD ENGINE FLAME DETEC

All 99: https://openairdocs.org/model/sikorsky-s-76b/reports.md

## STCs that may be installed (OpenAirDocs) (333, 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 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 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 SR02352AK](https://openairdocs.org/stc/SR02352AK): Installation of an AXSYS FLIR Camera System. 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 SH3200NM](https://openairdocs.org/stc/SH3200NM): Installation of dual Sperry SPZ-7000 digital automatic flight control systems. Honeywell International 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 SH2224NM](https://openairdocs.org/stc/SH2224NM): Installation of dual Sperry EDZ-705 Electronic Flight Instrument Systems, (EFIS). Honeywell International Inc
- [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 SR00162DE-D](https://openairdocs.org/stc/SR00162DE-D): Installation of a LifePort 'PLUS' system. LifePort LLC
- [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 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 SR09570RC](https://openairdocs.org/stc/SR09570RC): Installation of Night Vision Goggle Compatible Lighting System. U.S. Cutoms and Border Protection L&M Rotary Wing Program Office
- [STC SR00763DE](https://openairdocs.org/stc/SR00763DE): Installation of a 62 Gallon Auxiliary Fuel Tank in the baggage compartment. Helifab Inc
- [STC SR03441CH](https://openairdocs.org/stc/SR03441CH): Installation of TrueView Enhanced Vision System (EVS) T6-Series. Mayday Avionics Inc
- [STC SR09626RC](https://openairdocs.org/stc/SR09626RC): Installation of an aft cabin area Storage Net. Helifab Inc
- [STC SR03498NY](https://openairdocs.org/stc/SR03498NY): Install IONode Flight Data Monitor. Maxcraft Avionics Ltd
- [STC SH570NE](https://openairdocs.org/stc/SH570NE): Installation of door stops. Sikorsky Aircraft Corporation
- [STC SH765NE](https://openairdocs.org/stc/SH765NE): Installation of an opening camera window. Sikorsky Aircraft Corporation
- [STC SR00033NY](https://openairdocs.org/stc/SR00033NY): Installation of grease fittings. Sikorsky Aircraft Corporation
- [STC SR00085NY](https://openairdocs.org/stc/SR00085NY): Installation of Bendix/King Model CAS 66A TCAS 1, System. Sikorsky Aircraft Corporation
- [STC SR00275NY](https://openairdocs.org/stc/SR00275NY): Installation of Medevac (EMS) Interior. Sikorsky Aircraft Corporation
- [STC SR00285NY](https://openairdocs.org/stc/SR00285NY): Installation of Medevac (EMS) Interior. Sikorsky Aircraft Corporation
- [STC SR00533NY](https://openairdocs.org/stc/SR00533NY): Drain cup installation. Sikorsky Aircraft Corporation

All 333: https://openairdocs.org/model/sikorsky-s-76b/stcs.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.