Cessna 425 accident near Idaho Falls, ID
On November 10, 2000, a Cessna 425 (airplane) was involved in an accident near Idaho Falls, ID. 2 people died. Damage to the aircraft: substantial.
- Date
- November 10, 2000
- Place
- Idaho Falls, ID
- Aircraft
- Cessna 425 · Airplane
- Injuries
- 2 fatal, 0 serious, 0 minor
- Damage
- Substantial
- Position
- 43.536°N, 112.063°W
- NTSB ID
- 20001212X22336
NTSB summary
HISTORY OF FLIGHT On November 10, 2000, approximately 1215 mountain standard time, a privately owned Cessna 425, N41054, was substantially damaged in a collision with terrain approximately 2 miles north of Fanning Field, Idaho Falls, Idaho. The airline transport pilot-in-command and a second airline transport pilot aboard for the flight were fatally injured in the accident. The local flight, which was a maintenance test flight, departed from Fanning Field approximately 1208, and was conducted under the provisions of 14 CFR 91. Visual meteorological conditions prevailed in the area at the time of the accident, and no flight plan had been filed for the flight. The accident aircraft had recently had maintenance work performed on its autofeather system pressure sensing switches, due to reports of the left engine not autofeathering properly in flight. The maintenance work was performed by Aerohawk Aviation, a maintenance firm based at Fanning Field. According to Aerohawk's owner, the purpose of the accident flight was to verify proper inflight operation of the autofeather system following the maintenance work on the autofeather pressure sensing switches and a successful ground check of the autofeather system. Air traffic control (ATC) communications recordings from the Idaho Falls air traffic control tower disclosed that the pilot called ready for takeoff approximately 1207, and requested to orbit above the airport at 8,000 feet (note: the airport elevation is 4,740 feet.) He was cleared for takeoff on runway 2 at 1208, and his departure was approved by ATC as requested. The pil
Probable cause
The pilot-in-command's failure to maintain adequate airspeed with an asymmetric thrust condition, resulting in a loss of aircraft control. A factor was an asymmetric engine thrust condition, which was present for undetermined reasons.
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Browse: Idaho · Cessna aircraft
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
