# N6156U: 1966 Aviation International Rotors CH-54A, registration cancelled 2013-08-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 27, 2013
- Status when cancelled: Sale reported, canceled
- Airframe: [Aviation International Rotors CH-54A](https://openairdocs.org/model/aviation-international-rotors-ch-54a) (registry code 8142507)
- Engine: [Pratt & Whitney JT12A series](https://openairdocs.org/engine/pratt-whitney-jt12a-series) (registry code 52056)
- Data sheets: [TCDS H16NM](https://openairdocs.org/tcds/H16NM), [TCDS 1E9](https://openairdocs.org/tcds/1E9) (OpenAirDocs)
- Serial number: 66-18410
- Year built: 1966
- Type of aircraft: Rotorcraft
- Engine type: Turbo-jet
- Airworthiness: Restricted, agriculture and pest control, forest, other
- Airworthiness date: May 10, 2001
- Last registry action: July 17, 2008
- Mode S code: A8048E
- Location: [Corvallis, OR](https://openairdocs.org/faa-place/OR/Corvallis)
- Owner type: Individual
- Owner's area on the map: 44.4681° N, 123.2938° W: Placed by OpenAirDocs at the center of ZIP code 97333, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6156U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6156U
- Page: https://openairdocs.org/deregistered/N6156U-2013-08-27

From the FAA registry file of November 4, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Aviation International Rotors CH-54A: https://openairdocs.org/model/aviation-international-rotors-ch-54a.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX06GA254](https://openairdocs.org/ntsb/LAX06GA254), Aug 5, 2006: Aviation International Rotors CH-54A (N6156U), Happy Camp, CA, substantial damage, 2 fatal. Probable cause: The fatigue failure of tail rotor blade spindle, which resulted in the separation of the blade and tail rotor gearbox.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20060804014979A](https://openairdocs.org/incident/20060804014979A), Aug 4, 2006: Skrsky CH54A (N6156U), Happy Camp, CA, Destroyed, 2 fatal. (-23) On August 04, 2006, at 1947 hours PDT, a SK-65-CH54A, N6156U, was destroyed, while hovering over the klamath river. During transition into climb, the…

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