ASN Wikibase Occurrence # 167999
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Date: | Sunday 20 July 2014 |
Time: | 15:30 |
Type: | Cessna 182L Skylane |
Owner/operator: | Private |
Registration: | N42474 |
MSN: | 18259032 |
Year of manufacture: | 1968 |
Total airframe hrs: | 3030 hours |
Engine model: | Continental P. PONK O-470-50 |
Fatalities: | Fatalities: 4 / Occupants: 4 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Mogollon Rim, Fay Canyon, Coconino National Forest, AZ -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Flagstaff, AZ (FLG) |
Destination airport: | Sedona, AZ (SEZ) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The private pilot was conducting a personal cross-country flight. A witness reported observing the airplane flying into a canyon from above the tree line near the top of the canyon. Another witness, who did not see the airplane, reported hearing the airplane’s engine accelerate, become quiet, and accelerate again, which was followed shortly thereafter by an explosion. The airplane impacted terrain at the bottom of a canyon and was destroyed. A postcrash examination of the airplane revealed no anomalies what would have precluded normal operation.
It is likely the pilot failed to maintain adequate airspeed and exceeded the airplane’s critical angle-of-attack while entering the canyon, which resulted in an aerodynamic stall from which there was insufficient altitude to recover. In addition, the calculated density altitude of 9,675 ft would have adversely affected the airplane’s performance.
Probable Cause: The pilot’s failure to maintain adequate airspeed and his exceedance the airplane’s critical angle-ofattack while maneuvering through a canyon in high-density altitude conditions at low altitude, which resulted in an aerodynamic stall.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | WPR14FA303 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB
Location
Revision history:
Date/time | Contributor | Updates |
21-Jul-2014 02:05 |
Geno |
Added |
23-Jul-2014 19:33 |
harro |
Updated [Aircraft type, Registration, Cn, Operator, Source, Damage] |
29-Jul-2014 20:39 |
Anon. |
Updated [Source] |
02-Aug-2014 00:21 |
Geno |
Updated [Operator, Phase, Nature, Departure airport, Destination airport, Source, Narrative] |
21-Dec-2016 19:28 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
28-Feb-2017 07:41 |
PiperOnslaught |
Updated [Source, Narrative] |
30-Nov-2017 18:50 |
ASN Update Bot |
Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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