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Aircraft record

N176AM2007 Sikorsky S-76C

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:No NTSB accidents or incidents since 198229 ADs may apply4 service difficulty reports

Registration
Valid
expires Dec 31, 2027
Based in
Grand Rapids, MI
owner city / state
Engine
ARRIEL 2S2 · 817 hp
Turbomeca
Owners
1
since 2007
NTSB events
None
since 1982
ADs may apply
29
confirm with A&P
Service reports
4
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Spectrum Health Hospitals
Owner type
Corporation
City, state
Grand Rapids, MI
Certificate issued
Jun 29, 2007
Expires
Dec 31, 2027
Airworthiness
Standard · Transport
Airworthiness date
Jun 1, 2007

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Sikorsky
Model
S-76C
Year
2007
Serial number
760665
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
14
Engines
2
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H1NE
Mode S code
A12F83

Engine

Make and model
Turbomeca Arriel 2s2
Type
Turbo-shaft
Power
817 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2007 – nowSpectrum Health HospitalsGrand Rapids, MI · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (29)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2024-20-07Various HelicoptersDec 5, 2024Airframe (S-76C)Only with: Only helicopters modified by the applicable STC (SR00831LA, SR00780LA, SR01687LA, SR00856LA, SR01855LA, SR02244LA, SR01779LA, SR01459LA, SR01535LA, SR00932LA, SR02049LA, SR02484LA, or SR01902LA).
2021-05-08Engine BMEP/ Torque IndicatingApr 15, 2021Engine (ARRIEL 2S2)
2020-15-17Indicating/ recording systemSep 9, 2020Airframe (S-76C)Only with: Equipped with remote data acquisition unit (RDAU) P/N 76450-01098-106, 76450-01098-107, or 76450-01098-109.
2019-19-12Sikorsky Aircraft Corporation HelicoptersNov 8, 2019Airframe (S-76C)Only with: With a Turbomeca Arriel 2S1 or Arriel 2S2 engine with engine collective position transducer (CPT) P/N 76900-01821-104 or 76900-01821-105 installed.
2017-19-01Sikorsky Aircraft Corporation HelicoptersJan 2, 2018Airframe (S-76C)Certain serial numbers: …–761075. Only with: Main rotor servo pushrod assembly P/N 76400-00034-059, 76400-00014-074, 76400-00014-076, or 76400-00014-077 installed.
Show all 29 ADs
ADSubjectEffectiveApplies to
2016-25-13Safran Helicopter Engines, S.A. (Formerly Turbomeca S.A.) Turboshaft EnginesFeb 3, 2017Engine (ARRIEL 2S2)Only with: Engine accessory gearbox (AGB) P/N 0292120650 with a machined front casing installed.
2016-03-02Turbomeca S.A. Turboshaft EnginesMar 15, 2016Engine (ARRIEL 2S2)Only with: Engines with modification TU34 or TU34A installed.
2015-26-10Sikorsky Aircraft Corporation HelicoptersFeb 9, 2016Airframe (S-76C)Only with: Main gearbox P/N 76351-09000 series, 76351-09500 series, or 76351-09600 series installed that has been repaired in accordance with Sikorsky ORI No. 76350-065 (original or Revision A).
2015-19-51Sikorsky Aircraft Corporation HelicoptersNov 10, 2015Airframe (S-76C)Only with: Main rotor servo input control pushrod assembly P/N 76400-00034-059 or tail rotor pushrod assembly P/N 76400-00014-071 installed.
2015-13-04Turbomeca S.A. Turboshaft EnginesSep 1, 2015Engine (ARRIEL 2S2)
2014-12-05Turbomeca S.A. Turboshaft EnginesAug 4, 2014Engine (ARRIEL 2S2)
2013-22-15Sikorsky Aircraft Corporation (Sikorsky) HelicoptersDec 13, 2013Airframe (S-76C)Certain serial numbers: …–760822. Only with: With spindle cuff assembly P/N 76102-08001-043, -045 or -046, or blade fold cuff assembly P/N 76150-09601-041 installed.
2012-22-13Sikorsky Aircraft Corporation HelicoptersDec 20, 2012Airframe (S-76C)Certain serial numbers: S-76C 760506; S-76C 760607–760812
2012-18-18Turbomeca S.A. Turboshaft EnginesOct 24, 2012Engine (ARRIEL 2S2)Only with: Engines not modified by TU166 modification.
2012-12-20Turbomeca S.A. Turboshaft EnginesJul 26, 2012Engine (ARRIEL 2S2)Only with: Engines with any of the digital engine control units (DECUs) listed in Table 1 of this AD installed.
2010-26-09Sikorsky Aircraft Corporation (Sikorsky) Model S76A, B, and C HelicoptersJan 12, 2011Airframe (S-76C)Only with: LITEF LCR-100 Attitude Heading and Reference System (AHRS) Unit P/N 145130-7100 installed
2010-10-02Sikorsky Aircraft Corporation Model S-76A, B, and C HelicoptersJun 17, 2010Airframe (S-76C)Only with: Main rotor servo actuator Sikorsky P/N 76650-09805-109 or -110 (also marked HR Textron or Woodward HRT P/N 3006760-109 or -110) installed.
2010-06-08Sikorsky Aircraft Corporation Model S-76C HelicoptersApr 1, 2010Airframe (S-76C)Certain serial numbers: S-76C 760501; S-76C 760506–760761. Only with: With Option Code 88051 Flotation System installed by Keystone Helicopter Corporation.
2007-24-10Turbomeca Arriel 2S1 and 2S2 Turboshaft EnginesDec 14, 2007Engine (ARRIEL 2S2)Only with: Engines with a hydro mechanical unit (HMU) installed that was manufactured, or repaired/overhauled, before December 8, 2006.
2005-22-01Sikorsky Aircraft Corporation Model S-76A, B, and C HelicoptersNov 10, 2005Airframe (S-76C)Only with: Main rotor hub pilot fitting P/N 76103-08003-101 with 1500 or more hours TIS installed.
2003-04-15Sikorsky Aircraft Corporation Model S-76A, B, and C HelicoptersFeb 27, 2003Airframe (S-76C)
2002-15-51Sikorsky Aircraft Corporation Model S76A, B, and C HelicoptersOct 18, 2002Airframe (S-76C)
2001-25-06Sikorsky Aircraft Corporation Model S-76B and S-76C HelicoptersJan 4, 2002Airframe (S-76C)Certain serial numbers: S-76B 760430; S-76B 760441–760445; S-76B 760448–760452; S-76B 760454; S-76B 760455; S-76B 760458; …
2001-10-06Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C HelicoptersMay 17, 2001Airframe (S-76C)Only with: Main rotor shaft assembly P/N 76351-09030 (all dash numbers) installed.
2001-01-04Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C HelicoptersFeb 2, 2001Airframe (S-76C)Certain serial numbers: …–760513. Only with: Positioning rod assembly P/N 1945E-31A or 2071-31, or side brace rod end P/N 1945E-235 or 2071-235, installed.
2000-11-52Sikorsky Aircraft Corporation Model S-76 Series HelicoptersAug 31, 2000Airframe (S-76C)
99-19-30Sikorsky Aircraft Corp. Model S76A, B, and C HelicoptersOct 4, 1999Airframe (S-76C)
99-07-01Sikorsky Aircraft Corporation (Sikorsky) Model S-76C HelicoptersApr 7, 1999Airframe (S-76C)Only with: Turbomeca Arriel 2S1 engines with HMU P/N 0.292.92.822.0, 0.292.92.808.0, 0.292.92.813.0, or 0.292.92.828.0 installed.
99-01-09Sikorsky Aircraft Corporation Model S- 76C HelicoptersMar 3, 1999Airframe (S-76C)Certain serial numbers: S-76C 760477; S-76C 760479; S-76C 760481–760487; S-76C 760490; S-76C 760491; S-76C 760493

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (4)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Electrical power · starter gen · failedNov 29, 2013

    NR 1 STARTER/GENERATOR FAILED. DURING START, THE ENGINE TOOK AN UNUSUALLY LONG TIME TO REACH LIGHT OFF AND IDLE SPEED. AFTER ENGINE START, THE GENERATOR WOULD NOT COME ON LINE. AFTER THE ACFT RETURNED TO THE MAINTENANCE FACILITY, THE STARTER WAS EXAMINED AND THE INTERNAL DAMAGE WAS FOUND TO THE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Electrical power · brushes · brokenJun 25, 2013

    NR 2 DC GENERATOR FAILED IN FLIGHT. AFTER THE ACFT RETURNED TO THE MX FACILITY, THE STARTER GENERATOR WAS REMOVED FOR INSPECTION. THE BRUSHES WERE FOUND WORN EXCESSIVELY AND BROKEN. REPLACED WITH AN O/H UNIT, ALL SYS CHECKED GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine fuel and control · hmu · malfunctionedNov 29, 2012

    THE FUEL CONTROL FAILED ON START CAUSING THE ENGINE TO EXCEED TEMPERATURE LIMITS. THE HMU WAS FOUND TO BE AT FAULT. (SUSPECT THE CONSTANT DELTA "P" VALVE FAILED). THE ENGINE ASSEMBLY AND HMU WERE REPLACED. THIS FAILURE COULD HAVE OCCURRED IN FLIGHT CAUSING AN IN FLIGHT SHUT DOWN OF THE ENGINE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 4 reports
  • Engine · engine · vibrationAug 8, 2012

    INTEGRATED INFORMATION DISPLAY SYSTEM, (IIDS), DISPLAYED A "MINOR" ENGINE FAULT "TQ TRIM LVL L" FOR THE NR 1 ENGINE FROM THE DIGITAL ENGINE CONTROL UNIT (DECU). PILOTS CHECK FOR FAULTS FROM THE DECU AND THE IIDS. A MINOR FAULT WAS NOTED ON THE NR 1 ENG; "TQ. TRIM, LVL 1". FAULT OCCURRED ON THREE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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