ASN Wikibase Occurrence # 37569
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| Date: | Saturday 4 December 1993 |
| Time: | 13:48 LT |
| Type: |  Piper PA-18-150 |
| Owner/operator: | Kenneth A. Johnson |
| Registration: | N4417Z |
| MSN: | 18-8752 |
| Total airframe hrs: | 2415 hours |
| Engine model: | Lycoming O-320-A2B |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Payson, AZ -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | , AZ (E69) |
| Phoenix, AZ (KDVT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT LANDED AT PAYSON, ATE BREAKFAST, REFUELED HIS AIRPLANE & DEPARTED. A WITNESS NOTED NOTHING UNUSUAL AS THE AIRPLANE CLIMBED. IT WAS NOT IDENTIFIED ON RADAR, & THERE WERE NO WITNESSES TO THE ACCIDENT. THE AIRPLANE WAS FOUND IN A RAVINE NEAR THE TOP OF A BOX CANYON, ABOUT 8.5 MILES SOUTHWEST OF PAYSON. THERE WAS EVIDENCE THAT IT HAD CRASHED WHILE DESCENDING IN A NOSE LOW ATTITUDE. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. THE PROPELLER BLADES WERE DEFORMED WITH S-SHAPED BENDS, LEADING EDGE GOUGES & CHORD-WISE SCRATCHES. THERE WAS EVIDENCE THE PLANE WAS LOADED AT OR NEAR ITS MAXIMUM GROSS WEIGHT LIMIT & THAT IT HAD STALLED. TOXICOLOGY TESTS OF THE PILOT'S BLOOD SHOWED 0.065 UG/G OF DIHYDROCODEINE & 25 UG/G OF SALICYLATE (ASPIRIN). DIHYDROCODEINE & SALICYLATE WERE ALSO DETECTED IN HIS URINE.
Probable Cause: IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT, AND HIS FAILURE TO MAINTAIN ADEQUATE AIRSPEED, WHICH RESULTED IN AN INADVERTENT STALL/SPIN. FACTORS RELATED TO THE ACCIDENT WERE: PILOT IMPAIRMENT FROM IMPROPER USE OF PRESCRIPTION DRUGS (NOT APPROVED FOR FLYING), RISING TERRAIN, AND BOX CANYON.
Accident investigation:
 |
|
Sources:
NTSB LAX94FA065
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] |
| 10-Apr-2024 09:46 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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