# Accident 20000711007229A: Kaman K1200, Cusick, WA, July 11, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 11, 2000, 12:00 local time
- Place: Cusick, WA
- Damage: No damage
- Operating rules: Rotorcraft external load (Part 133)
- Location: 48.5093° N, 117.3700° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=48.5093&lon=-117.3700&mi=10
- Aircraft: N311KA, a cancelled registration (https://openairdocs.org/deregistered/N311KA-2002-09-17) (OpenAirDocs)
- Registry model: Kaman Aerospace K-1200 (registry code 13027LS, https://openairdocs.org/model/kaman-aerospace-k-1200) (OpenAirDocs)
- Registry engine: Lycoming YO-360-A1A (registry code 41586, https://openairdocs.org/engine/lycoming-yo-360-a1a) (OpenAirDocs)
- Reported make and model: KAMAN K1200
- NTSB investigation: [NTSB SEA00LA129](https://openairdocs.org/ntsb/SEA00LA129) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20000711007229A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) ARRIVED ON SCENE AT APPROXIMATELY 0800. TOOK PHOTOS OF ACCIDENT SITE.  WITH THE ASSISTANCE OF ROGER WASSMAN, KAMAN AEROSPACE, THE K-FLEX INPUT SHAFT WAS REMOVED AND FOUND THE CLUTCH ASSEMBLY, (FREE-WHEELING UNIT), WAS LOCKED IN BOTH DIRECTIONS.  THE INVESTIGATION WAS DISCONTIUED AT THIS POINT UNTIL THE AIRCRAFT CAN BE MOVED TO A FACILITY FOR MORE IN-DEPTH INVESTIGATION.  ARRANGEMENTS WERE MADE TO TRANSPORT THE AIRCRAFT TO TIMBER CHOPPERS FACILITY, BONNERS FERRY, ID.  ON 07/13/2000 THE AIRCRAFT ARRIVED AT TIMBER CHOPPERS, THE ENGINE WAS INSPECTED, NO VISIBLE OR APPARENT CRASH DAMAGE.  IT WAS LEFT INTACT AT THE REQUEST OF HONEYWELL.  NO COMPENENTS WERE REMOVED OR DISTURBED.  THERE WERE NO METAL PARTICLES PRESENT ON THE CHIP PLUGS.  FUEL WAS PRESENT THROUGH THE SYSTEM AND THERE WAS NO INDICATION OF FUEL STARVATION OF EXHAUSTION.  THERE WAS APPROXIMATELY 800 LBS. OF FUEL IN THE AIRCRAFT.  THE FWU WAS INSPECTED AND FOUND TO BE LOCKED IN BOTH DIRECTIONS.  THE ENTIRE UNIT HAD TO BE REMOVED AND WAS HAND CARRIED TO KAMAN AEROSPACE FOR DISSEMBLY.

## The NTSB's investigation of this event (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 SEA00LA129](https://openairdocs.org/ntsb/SEA00LA129), Jul 11, 2000: Kaman K-1200 (N311KA), Cusick, WA, substantial damage. Probable cause: The termination of power to the main rotor system as a result of the malfunction of the free-wheeling sprag clutch assembly, followed by the torsional overload separation of the engine adapter shaft.…

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. For accidents, the NTSB's own investigation is the fuller record.

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