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Aircraft record

N579EH1984 Sikorsky S-76A

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Jul 28, 2004.

Safety record in brief:1 NTSB accident (destroyed damage, Mar 2004)18 ADs may apply2 service difficulty reports

Registration
Deregistered
Last based in
Anchorage, AK
owner city / state
Engine
ARRIEL 1SER · 681 hp
Turbomeca
Owners
1
since 2001
NTSB events
1
destroyed, 2004
ADs may apply
18
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Era Aviation INC
Owner type
Corporation
City, state
Anchorage, AK
Certificate issued
Jun 1, 2001
Canceled
Jul 28, 2004
Airworthiness
Standard · Transport
Airworthiness date
Aug 2, 2001

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-76A
Year
1984
Serial number
760274
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
A77044

Engine

Make and model
Turbomeca Arriel 1ser
Type
Turbo-shaft
Power
681 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. 2001 – 2004Era Aviation INCAnchorage, AK

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · destroyed

Mar 23, 2004 · Gulf Of Mexico

the flight crew's failure to identify and arrest the helicopter's descent for undetermined reasons, which resulted in controlled flight into terrain.

Damage
Destroyed
Injuries
Fatal
Report
DCA04MA030

From NTSB records; matched by serial number.Read NTSB report (search CAROL for DCA04MA030)

Accident history for this model

ADs published since 1998 that may apply (18)

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-76A)Only with: Only helicopters modified by the applicable STC (SR00831LA, SR00780LA, SR01687LA, SR00856LA, SR01855LA, SR02244LA, SR01779LA, SR01459LA, SR01535LA, SR00932LA, SR02049LA, SR02484LA, or SR01902LA).
2017-19-01Sikorsky Aircraft Corporation HelicoptersJan 2, 2018Airframe (S-76A)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.
2015-26-10Sikorsky Aircraft Corporation HelicoptersFeb 9, 2016Airframe (S-76A)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-76A)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.
2013-22-15Sikorsky Aircraft Corporation (Sikorsky) HelicoptersDec 13, 2013Airframe (S-76A)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.
Show all 18 ADs
ADSubjectEffectiveApplies to
2012-15-08Sikorsky Aircraft Corporation HelicoptersSep 21, 2012Airframe (S-76A)Only with: Electric rotor brake (ERB) P/N 76363-09100-012 installed.
2010-26-09Sikorsky Aircraft Corporation (Sikorsky) Model S76A, B, and C HelicoptersJan 12, 2011Airframe (S-76A)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-76A)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.
2005-22-01Sikorsky Aircraft Corporation Model S-76A, B, and C HelicoptersNov 10, 2005Airframe (S-76A)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-76A)
2002-15-51Sikorsky Aircraft Corporation Model S76A, B, and C HelicoptersOct 18, 2002Airframe (S-76A)
2001-10-06Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C HelicoptersMay 17, 2001Airframe (S-76A)Only with: Main rotor shaft assembly P/N 76351-09030 (all dash numbers) installed.
94-14-20 R1Sikorsky Aircraft Corporation Model S-76A HelicoptersJun 8, 2001Airframe (S-76A)Only with: Tail rotor blade assembly P/N 76101-05001 (all dash numbers) or 76101-05101 (all dash numbers) installed with more than 130 hours time-in-service.
2001-01-04Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C HelicoptersFeb 2, 2001Airframe (S-76A)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-76A)
2000-12-09Sikorsky Aircraft Corporation (Sikorsky) Model S-76A HelicoptersJul 28, 2000Airframe (S-76A)Only with: Aero Aire Air Conditioning System P/N S-76A-1-2 installed, modified in accordance with STC SH4680SW.
99-19-30Sikorsky Aircraft Corp. Model S76A, B, and C HelicoptersOct 4, 1999Airframe (S-76A)
99-11-04Sikorsky Aircraft Model S-76A HelicoptersJul 9, 1999Airframe (S-76A)Only with: Turbomeca Arriel 1S1 engines installed in accordance with STC SH568NE, including drawing number 76070-30601.

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

Service Difficulty Reports (2)

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 · gcu · inoperativeJan 3, 2003

    GENERATOR WILL NOT COME ON LINE; BUSS TIE LIGHT NOT ILLUMINATED. Q7 SHORTED 3 OTHER UNITS FROM SAME SHIP HAVE SAME CONDITION. CHECKED WIRING ASSOCIATED WITH CAUTION LIGHT CIRCUIT AND BUSS TIE CIRCUITS FOR HELICOPTERS. TESTED & TROUBLESHOT AND REPLACED Q7. CALIBRATED AND BENCH TESTED IAW LEAR…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Tail rotor drive · bearing · wornNov 20, 2002

    BEARING WORN & SOME CORROSION. MISMATCHED INNER AND OUTER HOUSINGS. 763610401103 OUTER HOUSING WITH S613764325001 INNER HOUSING INSTALLED. MISMATCHED MAGNESIUM INNER HOUSING, REPLACED WITH INNER HOUSING PN S613764325102 TO MATCH PN 7636104012103 ALREADY INSTALLED UNIT NDW REVERTS TO PN…

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

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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