ASN Wikibase Occurrence # 41946
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| Date: | Saturday 21 August 1993 |
| Time: | 11:30 LT |
| Type: |  Cessna 172N |
| Owner/operator: | T Craft Aero Club |
| Registration: | N75644 |
| MSN: | 17267870 |
| Total airframe hrs: | 3490 hours |
| Engine model: | Lycoming O-320-H2AD |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Lake Fork, ID -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Cascade, ID (U70) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER LANDING, THE AIRCRAFT WAS REFUELED. WHEN IT WAS IDENTIFIED AS BEING STOLEN, THE PILOT HURRIEDLY RETURNED TO THE PLANE, STARTED THE ENGINE, TAXIED TO THE RUNWAY, & MADE AN INTERSECTION TAKEOFF. AFTER TAKEOFF, THE AIRCRAFT WAS SEEN CLIMBING NORTH TOWARD MOUNTAINOUS TERRAIN. SUBSEQUENTLY, IT COLLIDED WITH A STEEP/WOODED SLOPE IN THE MOUNTAINS. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE AIRCRAFT WAS FOUND THAT WOULD HAVE RESULTED IN THE ACCIDENT. LOCAL PILOTS REPORTED THAT THE MOUNTAIN TOPS WERE OBSCURED BY WEATHER AT THE TIME OF THE ACCIDENT. TOXICOLOGY TESTS OF THE PILOT SHOWED ALCOHOL LEVELS OF 68 MG/DL (0.068%) IN HIS BLOOD, 89 MG/DL (0.089%) IN INVITREOUS FLUID, & 115 MG/DL (0.115%) IN HIS URINE, AND 0.147 UG/ML OF ALPRAZOLAM IN HIS BLOOD. THERE WAS EVIDENCE THAT THE PILOT'S SEAT BELT WAS NOT USED; HIS BODY WAS EJECTED FROM THE AIRPLANE DURING IMPACT.
Probable Cause: POOR JUDGMENT OF THE PILOT BY FLYING WHILE UNDER THE INFLUENCE OF ALCOHOL AND A DRUG, HIS CONTINUED FLIGHT INTO AN AREA OF ADVERSE WEATHER, AND HIS FAILURE TO MAINTAIN ADEQUATE CLEARANCE (OR ALTITUDE) FROM MOUNTAINOUS TERRAIN. FACTORS RELATED TO THE ACCIDENT WERE: THE HIGH (MOUNTAINOUS) TERRAIN, AND THE LOW CLOUDS/CEILING.
Accident investigation:
 |
|
Sources:
NTSB SEA93FA179
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 11:38 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Source, Narrative, Accident report] |
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