Probable cause
The pilot's failure to avoid the drainage pipe during the landing roll on a private grass airstrip. Contributing to the accident was the pilot's reduced forward view from the rear seat.
NTSB analysis
The pilot of the tandem-seat, tailwheel equipped biplane reported that he was flying from the rear seat which limits his forward view, "especially in the landing configuration". He further reported that during the landing roll on a private grass airstrip, the biplane impacted a drainage pipe, which resulted in a collapsed left landing gear and substantial damage to both lower wings and the lower right aileron.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.
Text from the NTSB. Open the NTSB docket for GAA16CA510 for the full record.
Event
- Date
- Sep 16, 2016
- Type
- Accident
- Place
- Port St. Lucie, Florida
- Nearest airport
- Treasure Coast Airpark (FL37)
- Highest injury
- None
- Weather
- Visual (VMC)
- Light
- Day
Great Lakes 2T1A
- N-number
- N3771F
- Category
- Airplane
- Year built
- 1977
- 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.