Probable cause
The pilot not obtaining/maintaining altitude/clearance from the power line while performing an aerial application maneuver.
NTSB analysis
The pilot reported that during an aerial application maneuver he "contacted the top wire on a set of power lines." The airplane came to rest inverted in the field he was spraying. He reported no mechanical malfunctions with the airplane during the accident flight.
Text from the NTSB. Open the NTSB docket for CHI08CA220 for the full record.
Event
- Date
- Jul 26, 2008
- Type
- Accident
- Place
- Lake View, Iowa
- Highest injury
- Minor
- Minor injuries
- 1
- Weather
- Visual (VMC)
- Light
- Day
Air Tractor AT-401
- N-number
- N9193F
- Category
- Airplane
- Damage
- Substantial
- Operating rule
- Part 137 (agricultural)
- Purpose of flight
- Aerial application
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.