ASN Wikibase Occurrence # 355763
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| Date: | Thursday 12 June 1997 |
| Time: | 12:30 LT |
| Type: |  Aero Commander A-9B |
| Owner/operator: | Private |
| Registration: | N7922V |
| MSN: | 1561 |
| Engine model: | Lycoming IO-540-S |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Saint Anthony, ID -
 United States of America
|
| Phase: | Take off |
| Nature: | Agricultural |
| Departure airport: | (U12) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The aerial application pilot had completed 10 chemical application flights on the morning of the accident. After the first two flights, he had to reduce the volume of his load, because as the ambient temperature increased, the aircraft's performance began to deteriorate. After the tenth flight, the pilot took on another load of chemicals and refueled the aircraft. He then attempted a takeoff with a density altitude of approximately 6,930 feet. After liftoff, the aircraft would not fly out of ground effect, and after it passed the end of the runway, the aircraft began to descend. The pilot then elected to dump the chemical load in order to reduce the aircraft's weight. He therefore reached down to pull the jettison handle, but accidentally pulled the spray handle instead. By the time he realized his mistake, he only had time to flare for a landing. During the landing roll, the aircraft hit a dirt embankment and the main gear collapsed.
Probable Cause: the pilot's improper planning/decision and failure to dump the load of chemicals. Related factors were: the high density altitude, and a dirt embankment that was encountered during the landing roll.
Accident investigation:
 |
|
Sources:
NTSB SEA97LA137
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 15:24 | ASN Update Bot | Added |
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