ASN Wikibase Occurrence # 178039
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| Date: | Wednesday 22 July 2015 |
| Time: | 20:48 |
| Type: |  Aero Commander 100 Darter |
| Owner/operator: | Private |
| Registration: | N5542M |
| MSN: | 104 |
| Year of manufacture: | 1967 |
| Total airframe hrs: | 5000 hours |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Stinson Municipal Airport (KSSF), San Antonio, TX -
 United States of America
|
| Phase: | Standing |
| Nature: | Executive |
| Departure airport: | San Antonio, TX (SSF) |
| Clifton, TX (7F7) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot attempted to start the airplane engine by hand propping it because the engine could not be started using the starter because the battery was dead. The airplane had a chock under the left main landing gear wheel, and the pilot side door was propped open with a passenger aboard for the engine start. Upon engine start, the airplane jumped the chock and began to accelerate along the ground. The pilot ran along side of the airplane attempting to open the pilot side door, which had closed. When the airplane speed became too fast for the pilot to run alongside of the airplane, he stood on the main landing gear, holding the strut, and continued to attempt entry into the airplane while telling the passenger to pull the brake, throttle, mixture, or turn off the ignition key switch. The airplane impacted a 10-inch barrier, knocking the pilots legs off the main landing gear, and the airplane ran over the pilot's leg. The pilot pulled up onto the wing strut, still giving instruction to the passenger while attempting to enter the pilot side door, but the prop-wash was making this "feat impossible". About 59 mph, the airplane departed the airfield, becoming airborne, and at 6 feet above ground level, the pilot let go of the wing strut and fell to the ground. The airplane climbed, nosed forward, touched down on the nose landing gear, and impacted a construction dirt pilot before it nosed-over. The airplane sustained substantial damage that included damage to each wing spar and a bent empennage. The pilot sustained minor injuries, and the passenger sustained serious injuries. The airplane was not equipped with shoulder harnesses and was not required to be equipped with shoulder harnesses. The pilot's experience in hand-propping airplanes and the injuries of the passenger were unknown at the time this report was written.
Probable Cause: The pilot's improper decision to attempt flight with an unairworthy airplane and improper starting procedure that resulted in an uncontrolled takeoff without the pilot aboard. Contributing was the inoperative airplane battery/engine starter.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=5542M
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Jul-2015 17:22 | Geno | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 15:02 | ASN Update Bot | Updated [Total occupants, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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