- Location: Longmont, CO
- Accident Number: CEN25LA168
- Date & Time: May 4, 2025, 12:00 Local
- Registration: N75775
- Aircraft: Cessna 172N
- Injuries: 1 None
- Flight Conducted Under: Part 91: General aviation - Instructional
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N103DG
D&R AVIATION LLC
Western Air Flight Academy
Western Air Flight Academy
On May 4, 2025, about 1200 mountain daylight time, a Cessna 172N airplane, N75775, was substantially damaged when it was involved in an accident near Longmont, Colorado. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 instructional flight.
The pilot stated that he was on final approach when he noticed that the engine was not responding to his throttle control changes. The engine speed was about 2,000 rpm when he attempted a go-around. However, the engine power did not increase as he applied full throttle, and the airplane would not climb due to the low power setting. He noted that the engine subsequently lost power completely and he executed a forced landing to a field. During the landing, the airplane struck a fence and nosed over. The airframe sustained substantial damage to the right wing, vertical stabilizer, and rudder.
A post-accident examination conducted by a Federal Aviation Administration inspector determined that the throttle cable was disconnected from the carburetor. Both the throttle cable and the carburetor control arm moved freely and there was no evidence of damage to either component. The connecting hardware – bolt and nut – were not observed at the time of the examination.
Airplane maintenance records revealed that a 100-hour inspection was completed three weeks before the accident, and the engine carburetor was replaced at that time. The airplane had accumulated about 9.9 hours flight time since that maintenance.
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