ASN Wikibase Occurrence # 40115
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| Date: | Saturday 7 August 1999 |
| Time: | 06:00 LT |
| Type: |  Piper PA-18-150 |
| Owner/operator: | Leonard Mackler |
| Registration: | N4996V |
| MSN: | 18-5259 |
| Year of manufacture: | 1956 |
| Total airframe hrs: | 5249 hours |
| Engine model: | Lycoming O-320-A2B |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Anaktuvuk Pass , AK -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Executive |
| Departure airport: | Happy Valley, AK |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight had departed a remote hunting camp, about 25 miles north of the accident site, to locate sheep prior to dropping off the passenger. The flight was reported overdue to the Alaska State Troopers, and an aerial search located the wreckage the following day. Visual meteorological conditions prevailed at the nearest reporting station, 60 miles south of the accident site, at the time of the accident. One of the pilot's employees told the NTSB investigator-in-charge (IIC) the winds at camp were calm, there were some clouds visible to the south, and the tops of the mountains were visible toward the accident site. The airplane struck terrain in a near vertical attitude, and came to rest inverted in the bottom of a box canyon. The empennage was rotated and twisted to the right. A postcrash fire consumed both fuel tanks, and the fuselage. Postaccident examination of the airplane and engine revealed no preaccident anomalies.
Probable Cause: The inadvertent stall/spin by the pilot. A factor was the box canyon into which he had flown.
Accident investigation:
 |
|
Sources:
NTSB ANC99FA110
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 14-Dec-2017 08:46 | ASN Update Bot | Updated [Operator, Source, Narrative] |
| 07-Apr-2024 18:52 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Source, Narrative, Category, Accident report] |
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