N906CH1971 Sikorsky S-61N
Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply1 service difficulty report
Registration
FAA Aircraft Registry · Oct 20, 2026- Registered owner
- Construction Helicopters LLC
- Owner type
- LLC
- City, state
- Howell, MI
- Certificate issued
- Apr 30, 2026
- Expires
- Apr 30, 2033
- Airworthiness
- Multiple · Standard, Restricted, Forest
- Airworthiness date
- Jul 12, 2021
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
- 1971
- Serial number
- 61490
- 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
- AC85B0
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- 2026 – nowConstruction Helicopters LLCHowell, MI · 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 (CT58-140-1) |
| 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 (1)
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.
- Fire protection · fire warning · false activationAug 9, 2018
CARRYING AN EXTERNAL LOAD, A NR 2 ENGINE FIRE INDICATED. THE LOAD WAS SET BACK DOWN AND AIRCRAFT LANDED. INSPECTED THE NR 2 ENGINE AND NO EVIDENCE OF FIRE. DETERMINED FALSE INDICATION AND TROUBLESHOOTING REVEALED COULD NOT DUPLICATE THE INDICATION. SYSTEM WIRING AND COMPONENTS WERE CHECKED AND NO…
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