N825WL1980 Sikorsky S-61N
Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply3 service difficulty reports
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- Heligroup Fire LLC
- Owner type
- LLC
- City, state
- Missoula, MT
- Certificate issued
- Apr 23, 2018
- Expires
- Apr 30, 2028
- Airworthiness
- Standard · Transport
- Airworthiness date
- Mar 26, 2018
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
- 1980
- Serial number
- 61825
- 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
- AB456D
Engine
- Make and model
- Ge Ct58-140-2
- 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- 2018 – nowHeligroup Fire LLCMissoula, MT · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 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 (CT58-140-2) |
| 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 (3)
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.
- Main rotor drive · transmission · fodMay 4, 2026
DURING FLIGHT HAD LOW TRANSMISSION PRESSURE AND ELS SYSTEM KICKED ON. FOUND MGB LINER MATERIAL IN CHIP DETECTOR SCREEN OF MGB.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · transmission · fodMay 4, 2026
DURING FLIGHT HAD LOW TRANSMISSION PRESSURE AND ELS SYSTEM KICKED ON. FOUND MGB LINER MATERIAL IN CHIP DETECTOR SCREEN OF MGB.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · line · crackedJun 15, 2018
MAIN ROTOR GEARBOX EMERGENCY OIL LINE WAS LOSING OIL CAUSING INDICATION OF LOW GEARBOX OIL PRESSURE. THIS WAS CAUSE FOR AN EMERGENCY LANDING.
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