Probable cause
The pilot’s delayed decision to exit the valley with rising terrain and failure to maintain clearance from trees.
NTSB analysis
The pilot of the airplane reported that, while en route he mistakenly turned into the wrong valley with rising terrain. The pilot stated that he waited too long before he made a turn to exit the valley. During the turn, the airplane struck trees, which resulted in substantial damage to both wings and empennage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
Text from the NTSB. Open the NTSB docket for WPR22LA360 for the full record.
Event
- Date
- Sep 25, 2022
- Type
- Accident
- Place
- Lyman, Washington
- Nearest airport
- (N/A)
- Highest injury
- None
- Weather
- Visual (VMC)
- Light
- Day
Cessna 150L
- N-number
- N7471G
- Category
- Airplane
- Year built
- 1973
- Damage
- Substantial
- Operating rule
- Part 91 (general aviation)
- Purpose of flight
- Personal
From the NTSB aviation accident database: N-registered aircraft, events since 2008, data through Oct 28, 2026. The file is published monthly, so the latest weeks are incomplete and recent records can change. The official source is the NTSB aviation investigation search. CheckAero is independent and not affiliated with the NTSB.