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20000711007229A

Accident · No damage
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FAA accident report · Kaman K-1200 · Cusick, WA · July 11, 2000

FAA Aviation Safety Information Portal

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Date
July 11, 2000 · 12:00 local
Place
Cusick, WA
Operating rules
Rotorcraft external load (Part 133)
Damage
No damage
Aircraft
N311KA
NTSB investigation
NTSBSEA00LA129
Reported as
Kaman K1200
N311KARegistration cancelled Sep 17, 2002 · Kaman Aerospace K-1200S/N A94-0017 · Built 1996Airframe modelKaman Aerospace K-1200Engine modelLycoming YO-360-A1A4 cycle

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry 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.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-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.

As the FAA filed it

(-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.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.

NTSB SEA00LA129Accident · Serious injuriesLimited investigationFinal reportCusick, WAThe 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. Factors include trees in the area where the emergency…Jul 11, 2000 · Substantial damage