ASN Wikibase Occurrence # 144742
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| Date: | Friday 30 March 2012 |
| Time: | 17:08 |
| Type: |  Piper PA-18-150 Super Cub |
| Owner/operator: | Private |
| Registration: | N7276D |
| MSN: | 18-5685 |
| Engine model: | Lycoming O-320 Series |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | 30 miles S of Sleetmute, near the Holitna River, Red Devil, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Sleetmute, AK (PASL) |
| Red Devil, AK | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
About 30 minutes after the uncertificated pilot and a passenger departed for a reconnaissance flight, a witness saw the airplane flying "low and slow" over the treetops toward the intended landing site. As the airplane flew toward the landing site threshold, it began a slight right turn, then it nosed down abruptly, and the engine speed increased to a very high rpm setting. The airplane continued the near-vertical, steep descent, and it began a 3/4 spiral turn downward, indicative of an aerodynamic stall, before descending from view into the trees at the approach end of the site. An NTSB on scene wreckage examination of the airplane did not disclose any preimpact mechanical malfunctions. It is likely that the pilot failed to maintain adequate airspeed during the low-altitude approach, which resulted in an aerodynamic stall from which he could not recover even with the addition of engine power.
Probable Cause: Operation of the airplane by a non-certificated pilot and his failure to maintain adequate airspeed and airplane control, which resulted in an aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2012 10:15 | RobertMB | Added |
| 02-Apr-2012 10:11 | Geno | Updated [Source] |
| 03-Apr-2012 04:46 | RobertMB | Updated [Time, Location, Source, Narrative] |
| 04-Apr-2012 11:33 | Geno | Updated [Time, Location, Departure airport, Source, Narrative] |
| 06-Apr-2012 13:33 | Alpine Flight | Updated [Time, Aircraft type, Location] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:27 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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