Moriarty Marvin AVENTURA II accident near Minneola, FL
On August 23, 2019, a Moriarty Marvin AVENTURA II (airplane) was involved in an accident near Minneola, FL. 1 person died. Damage to the aircraft: substantial.
- Date
- August 23, 2019
- Place
- Minneola, FL
- Aircraft
- Moriarty Marvin AVENTURA II · Airplane
- Injuries
- 1 fatal, 0 serious, 0 minor
- Damage
- Substantial
- Position
- 28.631°N, 81.804°W
- NTSB ID
- 20190823X45219
Official records · ERA19FA256
- Public docket: reports, statements and exhibits from the investigation
NTSB summary
On August 23, 2019, about 1115 eastern daylight time, an experimental amateur-built Aventura II airplane, N9143M, was substantially damaged when it was involved in an accident near Minneola, Florida. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. According to the pilot's son, he and his father had assembled the airplane. He stated that they had installed an after-market supercharger on the engine several months before the accident, and the airplane had been flying well since then. He further stated that, about 2 days before the accident, his father said the airplane had been consuming fuel at a higher-than-normal rate (about 6 gallons per hour as opposed to the normal 4 gallons per hour). On the day before the accident, he and his father replaced the jets in the carburetor with smaller jets to attempt to improve the fuel consumption. After they replaced the jets, they started the engine, and it was running roughly (coughing and missing). The pilot’s son stated that the next morning, when he arrived at Florida Flying Gators Airport (3FD4), Minneola, Florida, his father told him he had fixed the airplane by adjusting the tabs on the carburetor float bracket and allowing more fuel to enter the carburetor bowl. They performed a run-up of the engine, and it ran normally. He stated that his father planned to fly to DeLand Municipal Airport-Sidney H Taylor Field (DED), DeLand, Florida, and that he would drive a truck and trailer there to meet him. He watched his father start his takeoff roll on runway 36.
Probable cause
The pilot’s improper modifications to the airplane’s engine, which resulted in the partial loss of engine power. Contributing to the outcome was the pilot's exceedance of the airplane’s critical angle of attack during an attempted return to the airport following a partial loss of engine power, which resulted in an aerodynamic stall and impact with terrain.
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Browse: Florida
Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.
