ASN Wikibase Occurrence # 146586
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| Date: | Saturday 30 June 2012 |
| Time: | 14:15 |
| Type: |  Stinson 108-3 |
| Owner/operator: | Private |
| Registration: | N773C |
| MSN: | 108-3773 |
| Total airframe hrs: | 1544 hours |
| Engine model: | Franklin 6A4165 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Field near Bruce Meadows Airport - U63, Stanley, ID -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Stanley, ID (U63) |
| McCall, ID (MYL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Before taking off from the 5,000-foot turf-dirt airstrip located at an altitude of 6,370 feet mean sea level, the pilot checked his performance charts and calculated that the density altitude was about 9,200 feet; this was 3,200 feet above the 6,000-foot maximum altitude listed in the takeoff performance charts. He also noted that at the time of departure, the wind was from 30 degrees at 10 knots, with gusts to 20 knots, which was close to a nearly direct tailwind for the takeoff from runway 23. The pilot indicated that the airplane was within 86 pounds of its maximum gross takeoff weight. When the airplane was about three-quarters of the way down the runway during the takeoff roll and not yet airborne, the pilot was about to abort the takeoff, but a gust of wind lifted the airplane in the air. The pilot thought the airplane would remain airborne, but when he could not get the airplane to climb as expected, he attempted to locate an open field to land in. However, the airplane subsequently encountered a downdraft, collided with a stand of trees, and came to rest inverted about 1.64 nautical miles from the departure end of the runway. A postaccident examination of the airplane and engine revealed no mechanical malfunctions or failures that would have precluded normal operation.
Probable Cause: The pilot’s inadequate preflight planning and decision to takeoff at a density altitude outside of the airplane’s takeoff performance envelope, with a tailwind, and near the airplane’s maximum gross weight, which resulted in the airplane’s inability to climb and clear trees.
Accident investigation:
 |
|
Sources:
NTSB
Location
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jul-2012 00:04 | gerard57 | Added |
| 02-Jul-2012 20:45 | Geno | Updated [Time, Aircraft type, Registration, Cn, Location, Phase, Departure airport, Source, Damage, Narrative] |
| 09-Aug-2012 11:19 | harro | Updated [Embed code, Damage] |
| 31-Jan-2016 09:50 | Topaz | Updated [Phase, Departure airport, Source, Embed code, Narrative] |
| 31-Jan-2016 09:53 | Topaz | Updated [Source] |
| 31-Jan-2016 09:55 | Topaz | Updated [Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:44 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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