NTSB Identification: IAD04LA035.
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Accident occurred Sunday, August 08, 2004 in Rainelle, WV
Probable Cause Approval Date: 10/28/2004
Aircraft: Giles Mustang II, registration: N91061
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot of the homebuilt airplane reduced power on the downwind leg of the traffic pattern to initiate a low approach to the runway. The airplane was on final approach when the pilot attempted to add power to maintain his desired glide path. When he pushed the throttle lever forward, there was no response from the engine. Remedial actions by the pilot failed to restore control of the engine. During the subsequent forced landing to a field, the engine continued to run at the reduced power setting. On short final to the field, he noticed a dead tree with no foliage in his path, but determined that his altitude and airspeed were too low to maneuver around it. The airplane struck the tree, contacted the ground, spun around, and came to rest facing opposite the direction of travel. Examination of the throttle control after the accident revealed a separation of the throttle cable outer sheath and the inner throttle cable. When forward movement was applied to the throttle control, the inner cable bowed, and did not transfer forward motion to the throttle arm.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The partial loss of engine power due to a broken throttle mechanism, which resulted in a forced landing over unsuitable terrain

Full narrative available

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