# Sikorsky S-76D - Type: Aircraft model (FAA registry) - Registry code: 8143021 - Manufacturer (registry): SIKORSKY AIRCRAFT CORP - Model: S-76D - 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-76d 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 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 2022-03-09](https://openairdocs.org/ad/2022-03-09): Global Positioning System · Sikorsky S-76D. Effective Mar 17, 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 2016-23-10](https://openairdocs.org/ad/2016-23-10): Autopilot System · Sikorsky S-76D. Effective Dec 12, 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 2013-06-51](https://openairdocs.org/ad/2013-06-51): Equipment/Furnishings · Agusta A109, A109A, A109A II and 43 more. Effective Jul 15, 2013 Historical (superseded or no longer in force): - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more.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 ## Registered aircraft (34) - [N1103S](https://openairdocs.org/aircraft/N1103S): [Scs 21 LLC](https://openairdocs.org/faa-owner/SCS%2021%20LLC), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2013, S/N 761016 - [N115MQ](https://openairdocs.org/aircraft/N115MQ): [Arkansas Childrens Hospital](https://openairdocs.org/faa-owner/ARKANSAS%20CHILDRENS%20HOSPITAL), [Little Rock, AR](https://openairdocs.org/faa-place/AR/Little%20Rock), S/N 761009 - [N27DX](https://openairdocs.org/aircraft/N27DX): [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 2015, S/N 761069 - [N36EN](https://openairdocs.org/aircraft/N36EN): [Wilmington Trust Co Trustee](https://openairdocs.org/faa-owner/WILMINGTON%20TRUST%20CO%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2013, S/N 761014 - [N36RP](https://openairdocs.org/aircraft/N36RP): [Mirasol Sky LLC](https://openairdocs.org/faa-owner/MIRASOL%20SKY%20LLC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 2013, S/N 761037 - [N553XB](https://openairdocs.org/aircraft/N553XB): [American Express Travel Related Services Co Inc](https://openairdocs.org/faa-owner/AMERICAN%20EXPRESS%20TRAVEL%20RELATED%20SERVICES%20CO%20INC), [Newburgh, NY](https://openairdocs.org/faa-place/NY/Newburgh), built 2013, S/N 761019 - [N576AV](https://openairdocs.org/aircraft/N576AV): built 2016, S/N 761008 - [N676FX](https://openairdocs.org/aircraft/N676FX): [Flexjet Vertical Lift LLC](https://openairdocs.org/faa-owner/FLEXJET%20VERTICAL%20LIFT%20LLC), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), built 2013, S/N 761025 - [N760AF](https://openairdocs.org/aircraft/N760AF): [Arkansas Childrens Hospital](https://openairdocs.org/faa-owner/ARKANSAS%20CHILDRENS%20HOSPITAL), [Little Rock, AR](https://openairdocs.org/faa-place/AR/Little%20Rock), built 2013, S/N 761038 - [N761AF](https://openairdocs.org/aircraft/N761AF): [Arkansas Childrens Hospital](https://openairdocs.org/faa-owner/ARKANSAS%20CHILDRENS%20HOSPITAL), [Little Rock, AR](https://openairdocs.org/faa-place/AR/Little%20Rock), built 2013, S/N 761039 - [N761D](https://openairdocs.org/aircraft/N761D): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), built 2009, S/N 761001 - [N761NY](https://openairdocs.org/aircraft/N761NY): [New York State Police](https://openairdocs.org/faa-owner/NEW%20YORK%20STATE%20POLICE), [Latham, NY](https://openairdocs.org/faa-place/NY/Latham), built 2013, S/N 761021 - [N762D](https://openairdocs.org/aircraft/N762D): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), built 2009, S/N 761002 - [N7633M](https://openairdocs.org/aircraft/N7633M): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761033 - [N7634Y](https://openairdocs.org/aircraft/N7634Y): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761034 - [N763DX](https://openairdocs.org/aircraft/N763DX): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), built 2011, S/N 761003 - [N7654Z](https://openairdocs.org/aircraft/N7654Z): [Wilmington Trust Co Trustee](https://openairdocs.org/faa-owner/WILMINGTON%20TRUST%20CO%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2014, S/N 761054 - [N7663P](https://openairdocs.org/aircraft/N7663P): [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), S/N 761063 - [N7664W](https://openairdocs.org/aircraft/N7664W): [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), S/N 761064 - [N7675V](https://openairdocs.org/aircraft/N7675V): [Nevada Aircraft Corp](https://openairdocs.org/faa-owner/NEVADA%20AIRCRAFT%20CORP), [Henderson, NV](https://openairdocs.org/faa-place/NV/Henderson), S/N 761075 - [N767J](https://openairdocs.org/aircraft/N767J): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [West Palm Beach, FL](https://openairdocs.org/faa-place/FL/West%20Palm%20Beach), built 2012, S/N 761007 - [N7685C](https://openairdocs.org/aircraft/N7685C): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761085 - [N7686Q](https://openairdocs.org/aircraft/N7686Q): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761086 - [N7687L](https://openairdocs.org/aircraft/N7687L): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761087 - [N7688P](https://openairdocs.org/aircraft/N7688P): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761088 - [N7689L](https://openairdocs.org/aircraft/N7689L): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761089 - [N7690L](https://openairdocs.org/aircraft/N7690L): [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford), S/N 761090 - [N800SG](https://openairdocs.org/aircraft/N800SG): [Whirlybird LLC](https://openairdocs.org/faa-owner/WHIRLYBIRD%20LLC), [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles), built 2015, S/N 761004 - [N80EW](https://openairdocs.org/aircraft/N80EW): [Weatherstone Air Inc](https://openairdocs.org/faa-owner/WEATHERSTONE%20AIR%20INC), [Teterboro, NJ](https://openairdocs.org/faa-place/NJ/Teterboro), built 2013, S/N 761023 - [N817SS](https://openairdocs.org/aircraft/N817SS): [Tvpx Ars Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20ARS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2019, S/N 761080 - [N825ML](https://openairdocs.org/aircraft/N825ML): [Minuteman Aviation LLC](https://openairdocs.org/faa-owner/MINUTEMAN%20AVIATION%20LLC), [New Castle, DE](https://openairdocs.org/faa-place/DE/New%20Castle), built 2013, S/N 761013 - [N894CC](https://openairdocs.org/aircraft/N894CC): [Constellation Energy Generation LLC](https://openairdocs.org/faa-owner/CONSTELLATION%20ENERGY%20GENERATION%20LLC), [New Castle, DE](https://openairdocs.org/faa-place/DE/New%20Castle), built 2015, S/N 761076 - [N93RT](https://openairdocs.org/aircraft/N93RT): [Waco Oil & Gas Co Inc](https://openairdocs.org/faa-owner/WACO%20OIL%20%26%20GAS%20CO%20INC), [Glenville, WV](https://openairdocs.org/faa-place/WV/Glenville), built 2012, S/N 761006 - [N976TR](https://openairdocs.org/aircraft/N976TR): [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 2013, S/N 761032 ## NTSB investigations (4) 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 ERA26FA266](https://openairdocs.org/ntsb/ERA26FA266), Jul 10, 2026: Sikorsky S76 (N93RT), Huntersville, WV, destroyed, 1 fatal, investigation ongoing - [NTSB CEN25LA356](https://openairdocs.org/ntsb/CEN25LA356), Sep 1, 2025: Sikorsky S-76 (N36RP), Round Mountain, TX, substantial damage. Probable cause: The flight crew’s failure to properly identify the heliport in dark night conditions, which resulted in the flight crew attempting to land and a subsequent impact with trees and terrain. - [NTSB CEN22LA147](https://openairdocs.org/ntsb/CEN22LA147), Mar 13, 2022: Sikorsky S-76D (N761AF), Texarkana, AR, substantial damage. Probable cause: The pilot’s failure to maintain adequate clearance during landing on a rooftop helipad. - [NTSB CEN19LA146](https://openairdocs.org/ntsb/CEN19LA146), May 15, 2019: Sikorsky S76 (N761AF), Morrilton, AR, substantial damage. Probable cause: The improper securing of the exhaust duct bolts, which resulted in the duct becoming unseated and substantial heat damage to the tail rotor drive shaft. ## FAA accident and incident reports (5) 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 20260710008349A](https://openairdocs.org/incident/20260710008349A), Jul 10, 2026: Sikorsky Aircraft Corp S-76D (N93RT), Huntersville, WV, Destroyed, 1 fatal. Witnesses stated the helicopter, flying VMC in IMC conditions, made three attempts to make a scheduled off-airport landing in a valley with 100 foot cielings.… - [Accident 20250831012969A](https://openairdocs.org/incident/20250831012969A), Aug 31, 2025: Sikorsky Aircraft Corp S-76D (N36RP), Round Mountain, TX, Destroyed. On 31 aug 2025, at approx. 21:30 local time, a S-76D helicopter operating as a part 135 corporate flight, crashed attempting to land at night, VFR, unaided.… - [Accident 20220312001719A](https://openairdocs.org/incident/20220312001719A), Mar 12, 2022: Sikorsky Aircraft Corp S-76D (N761AF), Texarkana, TX, Substantial damage. Approximately 1830 on March 12, 2022. N761AF was in flight from AR62 Arkansas children?s hospital heliport, descending for a landing at Texarkana Wadley… - [Incident 20191106020859I](https://openairdocs.org/incident/20191106020859I), Nov 6, 2019: Sikorsky Aircraft Corp S-76D (N976TR), Hartford, CT, Minor damage. The following is a statement from the pilot: 11/6/19, part 91 flight from khfd to jra helipad in nyc. At approximately 6 NM west south west of khfd at 10:12… - [Accident 20190515011089A](https://openairdocs.org/incident/20190515011089A), May 15, 2019: Sikorsky Aircraft Corp S-76D (N761AF), Morrilton, AR, Substantial damage. On Wednesday, may 15, 2019, at approximately 1830 CDT, N761AF, registered to Arkansas children? Hospital, and operated by Arkansas children?s hospital (Z1RA),… ## Service difficulty reports (34) As reported by operators and repair stations, by the model named in the report. - [SDR AYPA20260917001](https://openairdocs.org/sdr/AYPA20260917001), Aug 14, 2026: FIRE DETECTOR. FALSE ACTIVATION. DURING CRUISE FLIGHT, A MOMENTARY INSTANCE OF THE #1 ENG FIRE WARNING SYSTEM ILLUMINATED. NO SECONDARY OR CONFIRMING INDICATIONS. NO TRAILING SMOKE WAS OBSERVED - [SDR 2026F00071](https://openairdocs.org/sdr/2026F00071), Apr 9, 2026: EEC. DEFECTIVE. NR 1 ENGINE ILLUMINATED MULTIPLE CASE MESSAGES INFLIGHT. - [SDR 2025F00236](https://openairdocs.org/sdr/2025F00236), Jun 19, 2025: CONTROL MODULE. FAILED. DURING PREFLIGHT CHECKS ON THE 18TH, THE AP1 FAILED, AND THE FLIGHT WAS CANCELLED. AFTER CONSULTATION WITH MAINTENANCE PERSONNEL AND SIKORSKY, THE CREW WAS ASKE - [SDR 2025FA0000122](https://openairdocs.org/sdr/2025FA0000122), Feb 20, 2025: EXHAUST STACK. CRACKED. DURING INSPECTION, FOUND L/H FWD EXHAUST STACK HAS CRACK 6" IN LENGTH AND VARIOUS TANGS CRACKED. - [SDR Z1RA76006152024](https://openairdocs.org/sdr/Z1RA76006152024), Jun 15, 2024: FILTER. MELTED. EMI FILTER / RELAY FAILED CAUSING PLASTIC COVER TO MELT - [SDR Z1RA202403063242](https://openairdocs.org/sdr/Z1RA202403063242), Mar 4, 2024: DISPLAY. FAILED. CO-PILOT IAD SCREEN WENT BLACK DURING FLIGHT AND WOULD NOT POWER UP. - [SDR Z1RA2024030630324](https://openairdocs.org/sdr/Z1RA2024030630324), Mar 3, 2024: DISPLAY. FAILED. CO-PILOT IAD FAILED IN FLIGHT. - [SDR 2023FA0000809](https://openairdocs.org/sdr/2023FA0000809), Dec 5, 2023: SEAL. FAILED. DURING INSPECTION FOUND MGB LOWER MAST SEAL IS LEAKING. - [SDR Z1RA76010232022](https://openairdocs.org/sdr/Z1RA76010232022), Oct 23, 2022: GENERATOR. WORN. AC GEN BEARING LIGHT ILLUMINATED IN FLIGHT. - [SDR Z1RA76004252022](https://openairdocs.org/sdr/Z1RA76004252022), Apr 25, 2022: HARNESS. INTERMITTENT. DURING LANDING GEAR RETRACTION, #2 SERVO BYPASS LIGHT ILLUMINATED. AIRCRAFT ABORT TRIP AND RECOVERED TO KLIT - [SDR Z1RA76002062022](https://openairdocs.org/sdr/Z1RA76002062022), Feb 6, 2022: HYDRAULIC SYSTEM. INTERMITTENT. UPON SHUTDOWN A EXCEEDANCE WAS NOTED FOR HIGH HYDRAULIC PRESSURE. AFTER TROUBLESHOOTING / HUMS DOWNLOAD IT WAS NOTED THAT HYDRAULIC PRESSURE HAD REACHED 3340 PS - [SDR Z1RA76110092021](https://openairdocs.org/sdr/Z1RA76110092021), Oct 9, 2021: NONE. FAILED. ON OUTBOUND LEG OF HEMS FLIGHT #1 VMM FAILED WITH LOSS OF COPILOTS INSTRUMENTS. TRIP ABORTED AND AIRCRAFT RETURNED TO KLIT - [SDR Z1RA76005032021](https://openairdocs.org/sdr/Z1RA76005032021), May 3, 2021: TAB. MISSING. ONE INBOARD TRIM TAB MISSING DURING PREFLIGHT - [SDR Z1RA761102320201](https://openairdocs.org/sdr/Z1RA761102320201), Jan 14, 2021: SERVO. UNSERVICEABLE. FORWARD AND AFT VIBRATION FELT IN THE CYCLIC DURING HOVER AND FLIGHT. - [SDR Z1RA76110232020](https://openairdocs.org/sdr/Z1RA76110232020), Oct 23, 2020: SERVO. LEAKING. TAIL ROTOR SERVO LEAKING AT SHAFT SEAL. - [SDR Z1RA20180125039](https://openairdocs.org/sdr/Z1RA20180125039), Jan 23, 2018: ATTACH BRACKET. CRACKED. NR 1 & NR 2 ENGINE BLEED VALVE SUPPORT BRACKETS BOTH CRACKED THROUGH SUPPORT SADDLES. - [SDR Z1RA7201801080002](https://openairdocs.org/sdr/Z1RA7201801080002), Jan 5, 2018: TRANSDUCER. OUT OF LIMITS. NR 1 AUTOPILOT DISENGAGED DURING CRUISE FLIGHT. ROLL TRANSDUCER OUT OF LIMITS. - [SDR Z1RA201801080001](https://openairdocs.org/sdr/Z1RA201801080001), Jan 5, 2018: TRANSDUCER. OUT OF LIMITS. NR 1 AUTOPILOT DISENGAGED DURING CRUISE FLIGHT. FOUND THE TRANSDUCER OUT OF LIMITS. - [SDR Z1RA7610381211201](https://openairdocs.org/sdr/Z1RA7610381211201), Dec 11, 2017: BLADE. DEBONDED. DURING SPECIAL 25 HOUR TAIL ROTOR BLADE INSPECTION, OUTBOARD BLADE WAS NOTED TO BE DEBONDED FROM TAIL ROTOR PITCH HORN. - [SDR Z1RA761038120717](https://openairdocs.org/sdr/Z1RA761038120717), Dec 7, 2017: DISPLAY. FAILED. DURING FLIGHT #1 SIDE MFD PRODUCED FAIL MESSAGE. WOULD NOT REBOOT. - [SDR Z1RA761039120817](https://openairdocs.org/sdr/Z1RA761039120817), Dec 7, 2017: PUMP. INOPERATIVE. AIR MEDICAL PUMP WILL NOT OPERATE. UPON POWER APPLIED TRIPS CIRCUIT BREAKER PROTECTION - [SDR Z1RA761039112017](https://openairdocs.org/sdr/Z1RA761039112017), Nov 20, 2017: VOR SYSTEM. FAILED. #2 NAV HAS FAILURE CODE WHEN ON FREQS ABOVE 109 - [SDR Z1RA201710120001](https://openairdocs.org/sdr/Z1RA201710120001), Oct 11, 2017: AUTOPILOT SYS. MALFUNCTIONED. DURING AIRCRAFT RUN-UP, NR 2 AUTOPILOT WOULD NOT COMPLETE BIT TEST DURING AP TEST. UNABLE TO CLEAR OR RESET. - [SDR Z1RA7201710028929](https://openairdocs.org/sdr/Z1RA7201710028929), Sep 29, 2017: WIRE HARNESS. INOPERATIVE. RIGHT MAIN LANDING GEAR DOWN LOCK LIGHT WOULD NOT ILLUMINATE ON GEAR PANEL. APPROACH TO HOSPITAL ABORTED AND AIRCRAFT RETURNED TO HANGAR. MAIN GEAR TESTED TO EN - [SDR Z1RA2017082100008](https://openairdocs.org/sdr/Z1RA2017082100008), Aug 18, 2017: WIRE. BROKEN. NR 2 MCDU FAILURE LIGHT ON POWER UP. LOCATED BROKEN WIRE AT CONNECTOR PLUG P180R PIN 39, MCDU HEALTH DISCREET TO VMM P100R B H05 PIN. WIRE WAS TOO SHORT UPON OR - [SDR Z1RA2017082100007](https://openairdocs.org/sdr/Z1RA2017082100007), Aug 16, 2017: WIRE HARNESS. DAMAGED. RIGHT MLG HARNESS CAUSING LANDING GEAR POSITION INDICATION FAULTS. ABORTED APPROACHED. RETURNED TO BASE. GEAR CONFIRMED DOWN PRIOR TO LANDING. INSTALLED SEGMENT - [SDR Z1RA7201708210006](https://openairdocs.org/sdr/Z1RA7201708210006), Aug 14, 2017: AHRS. FAILED. NR 2 AHRS FAILED ON RUN UP. - [SDR Z1RA2017082100005](https://openairdocs.org/sdr/Z1RA2017082100005), Aug 13, 2017: SERVO. LEAKING. NR 2 SERVO BYPASS WHEN GEAR UP SELECTED. HYDRAULIC LEAK. - [SDR Z1RA7201708210003](https://openairdocs.org/sdr/Z1RA7201708210003), Aug 8, 2017: MOTOR. FAILED. FAILED, EVAPERATION BLOWER. - [SDR Z1RA201708210002](https://openairdocs.org/sdr/Z1RA201708210002), Jul 6, 2017: COVER. SPLIT. GLARESHIELD COVER IS CRACKING AND SPLITTING. - [SDR Z1RA201708210001](https://openairdocs.org/sdr/Z1RA201708210001), May 30, 2017: WIRE HARNESS. BROKEN. LEFT MLG DOWN INDICATION INTERMITTENT. LEG HAS BROKEN WIRES IN HARNESS. - [SDR Z1RA2017082100009](https://openairdocs.org/sdr/Z1RA2017082100009), May 18, 2017: HARNESS. BROKEN. LEFT MLG DOWN INDICATION INTERMITTENT. FOUND WIRE HARNESS BROKEN. - [SDR Z1RA201705090001](https://openairdocs.org/sdr/Z1RA201705090001), May 9, 2017: WIRE HARNESS. BROKEN. DURING LANDING APPROACH TO HOSPITAL LANDING PAD, LT MAIN LANDING GEAR UNSAFE LIGHT WOULD NOT EXTINGUISH AND GREEN SAFE LIGHT NOT ILLUMINATED. APPROACH ABORT AND - [SDR ALGA2014081408286](https://openairdocs.org/sdr/ALGA2014081408286), Aug 12, 2014: WHEEL. CORRODED. NOSE WHEEL WILL NOT HOLD PRESS, DISASSEMBLED NOSE WHEEL FOUND EXCESSIVE CORROSION ON WHEEL HALF PN 162-19700 SN 1733. ## STCs that may be installed (OpenAirDocs) (15) 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 SR01955SE](https://openairdocs.org/stc/SR01955SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc - [STC SR09211RC](https://openairdocs.org/stc/SR09211RC): Installation of an external mount life raft deployment system. HELIFAB - [STC SR02667SE](https://openairdocs.org/stc/SR02667SE): Installation of a Honeywell ASPIRE 200 Intermediate Gain (IG) SATCOM system. Honeywell International - [STC SR02432SE](https://openairdocs.org/stc/SR02432SE): Installation of the Twin Rotary Evacuation Carriage (TREC) system. LifePort LLC - [STC SR02418SE](https://openairdocs.org/stc/SR02418SE): Dart Aerospace D076-612-011/-015 Mirror Kits. Dart Aerospace USA Inc - [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 SR09650RC](https://openairdocs.org/stc/SR09650RC): Installation of Night Vision Imaging System (NVIS)/Night Vision Goggles (NVG) Compatible Lighting. Aero Dynamix Inc - [STC SR02477LA](https://openairdocs.org/stc/SR02477LA): Approval of Cabin Interior Configuration for a maximum of up to 9 passengers. Rotorcraft Support Inc - [STC SR01122NY-D](https://openairdocs.org/stc/SR01122NY-D): Installation of an Avionics Innovations Digital Media Player Model DMP-100. Avionics Innovations. Lists S-76 Series - [STC SR00091LA](https://openairdocs.org/stc/SR00091LA): Installation of an RG-380/40B battery. Concorde Battery Corporation. Lists S-76 Series - [STC SR01348NY](https://openairdocs.org/stc/SR01348NY) (historical): Installation of boarding steps IAW Key Tech Engineering Services Installation Drawing List IDL00203, Rev B, dated 1/16/01. Keystone Helicopter Corp. Lists S-76 Series --- 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.