N103WF1977 Sikorsky S-61N
This N-number isn't registered right now. Below is its last known registration, canceled Nov 21, 2018.
Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply9 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 16, 2026- Last registered owner
- Ep Aviation LLC
- Owner type
- Corporation
- City, state
- Wood Dale, IL
- Certificate issued
- Apr 27, 2010
- Canceled
- Nov 21, 2018
- Airworthiness
- Standard · Transport
- Airworthiness date
- Jun 20, 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 dataAirframe
- Manufacturer
- Sikorsky
- Model
- S-61N
- Year
- 1977
- Serial number
- 61766
- Aircraft type
- Rotorcraft
- Category
- Land
- Certification
- Type Certificated
- Seats
- 28
- Engines
- 2
- Max takeoff weight
- 12,500 - 19,999 lb
- Type certificate data sheet
- 1H15
- Mode S code
- A011D3
Engine
- Make and model
- Ge Ct58-140-1
- Type
- Turbo-shaft
- Power
- 1400 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2010 – 2018Ep Aviation LLCWood Dale, IL
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 16, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (5)
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.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2021-05-19 | Tail Rotor Control System | May 7, 2021 | Airframe (S-61N)Only with: Arm assembly part number S6140-62614-009 installed; certificated in any category including restricted. |
| 2013-05-17 | Sikorsky Aircraft Corporation Helicopters | Apr 26, 2013 | Airframe (S-61N)Only with: With a fuel system 40 micron fuel filter element P/N 52-0505-2 or 52-01064-1 installed. |
| 2004-15-22 | Sikorsky Aircraft Corporation Model S-61L, S-61N, S-61-NM, and S-61R Helicopters | Sep 7, 2004 | Airframe (S-61N) |
| 2001-18-06 | General Electric Company T58 and CT58 Series Turboshaft Engines | Oct 18, 2001 | Engine (CT58-140-1) |
| 98-26-02 | Sikorsky Aircraft Corporation Model S- 61A, D, E, L, N, NM, R, and V Helicopters | Jan 20, 1999 | Airframe (S-61N)Only with: Main rotor shaft P/N S6135-20640-001, S6135-20640-002, or S6137-23040-001 installed. |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (9)
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.
- Engine · engine · flamed outSep 14, 2016
UPON TAKEOFF, THE CREW REPORTED THAT THE NR 2 ENGINE SHUTDOWN. UPON LANDING, THE AIRCRAFT WAS SHUTDOWN WHILE THE PASSENGERS WERE EVACUATED. MAINTENANCE PERFORMED AN INSPECTION OF ALL FEED LINES IN THE AFT AND CENTER FUEL TANKS AND INSPECTED THE NR 2 AIRFRAME FUEL FILTER. THERE WERE NO DEFECTS…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · engine · flamed outSep 6, 2016
WHILE 4.3 HOURS INTO A CONOP, THE CREW HAD JUST TAKEN OFF ENROUTE. WHILE TRANSITIONING TO FORWARD FLIGHT AT APPROXIMATELY 75 FT, THE CREW FELT THE ACFT YAW LT, HEARD A DECREASE IN ENGINE NOISE AND EXPERIENCED A LOSS OF AVAILABLE POWER. THE ACFT WAS STILL POSITIONED OVER THE TAXIWAY AND WAS ABLE TO…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine fuel and control · pump · leakingAug 25, 2016
REPORTED A VERY INTENSE FUEL ODOR RETURNING DEPARTURE AT THE END OF AN 8 HOUR CONOP. DURING REFUELINGS THROUGHOUT THE DAY, OCCASIONAL DROPS OF FUEL WERE NOTICED AT THE NR 2 ENGINE GAIN DRAIN. THE NR 2 ENGINE DRAIN LINES FROM THE ENGINE PLATFORM TO THE ACFT FLOOR STRUCTURE WERE CLEANED AND…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 9 reportsShow fewer reports
- Power plant · drain · pluggedAug 17, 2016
DURING THE FIRST 3.6 HRS OF FLIGHT, 7 LEGS REPORTED, THE CREW DETECTED AN OVERWHELMING ODOR OF JET FUEL IN THE COCKPIT AND CABIN DURING CLIMBS AND DESCENTS. THE PILOT IN COMMAND EXPERIENCED A STRONG HEADACHE AND ONCOMING NAUSEA. THE SECOND IN COMMAND ALSO COMPLAINED OF A HEADACHE. THE FLIGHT WAS…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Electrical power · generator · failedFeb 12, 2014
AFTER DEPARTURE FROM OASH THE DC GEN LIGHT ILLUMINATED. ACCOMPLISHED THE EMERGENCY PROCEDURES, GEN WOULD NOT RESET. R & R DC GEN PN 30E20-97A IAW S61 MM 4045-80, REV 47, 24-20-01.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · access panel · looseJan 25, 2013
DURING CLIMB OUT, CREW CHIEF HEARD A CLAPPING NOISE FROM OUTSIDE THE ACFT. SUSPECTED THAT A PANEL WAS LOOSE AND SLAPPING AGAINST THE ACFT. SLOWED THE ACFT DOWN TILL THE NOISE STOPPED AND CONTINUED LANDING AT OUR NEXT STOP. AFTER LANDING CREW CHIEF DID A VISUAL INSPECTION AND FOUND THAT ONE OF THE…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · engine · failedJul 7, 2012
ON APPROACH NR 2 ENGINE COMPRESSOR STALLED AND T SPIKED TO 950°C. REMOVED AND REPLACED ENGINE, ALL SYSTEMS CHECKED SATISFACTORY.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Landing gear · landing gear · lockedNov 7, 2011
ACFT FUNCTIONAL CHECK FLIGHT WAS BEING CONDUCTED, FLIGHT QUALITIES WERE ALL NORMAL UP UNTIL SUCH TIME AS THE ACFT LANDING WAS ATTEMPTED. WHEN ACFT TOUCHED DOWN AND POWER WAS BEING REDUCED, THE ACFT ENCOUNTERED SEVERE SHUDDER ON THE VERGE OF GROUND RESONANCE. ACFT WAS LIFTED BACK IN THE AIR, FLIGHT…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · mount · crackedJul 15, 2010
LT FWD TRANSMISSION MOUNT FITTING WAS FOUND TO BE CRACKED 2" AT STA 243. AREA WAS PREVIOUSLY REPAIRED AND DOUBLERS WERE REMOVED FOR INSPECTION. REPAIR IS IN PROGRESS AT THIS TIME.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 16, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026