ASN Wikibase Occurrence # 27059
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| Date: | Sunday 1 March 1992 |
| Time: | 17:00 LT |
| Type: | Helio H-550A Stallion |
| Owner/operator: | Maytag, David D. Jr. |
| Registration: | N550HZ |
| MSN: | 007 |
| Year of manufacture: | 1972 |
| Engine model: | P&W PT6A-27 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Salome, AZ -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Prescott, AZ (KPRC) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE CERTIFICATED AIRLINE TRANSPORT PILOT AND A PASSENGER WERE CONDUCTING A LOW LEVEL FLIGHT OVER MOUNTAINOUS TERRAIN. THE SURFACE WIND CONDITIONS WERE REPORTED TO BE FROM THE SOUTH AT OR ABOVE 20 KNOTS. THE PILOT REPORTED THAT HE APPROACHED THE MOUNTAIN PEAK IN A SOUTHERLY DIRECTION AND CLIMBED THE AIRPLANE TO AN ALTITUDE OF 150 FEET ABOVE THE GROUND TO CLEAR THE MOUNTAIN. THE AIRPLANE ENCOUNTERED DOWNDRAFT CONDITIONS ON THE LEE SIDE OF THE MOUNTAIN. THE PILOT FAILED TO IMMEDIATELY CORRECT FOR THIS CONDITION AND THE AIRPLANE COLLIDED WITH THE UPSLOPING MOUNTAINOUS TERRAIN WHEN THE PILOT WAS EXECUTING A 180 DEGREE TURN.
Probable Cause: THE PILOT'S INADEQUATE IN-FLIGHT PLANNING, IMPROPER ALTITUDE, AND DELAYING THE REQUIRED REMEDIAL ACTION TO PREVENT THE COLLISION WITH THE MOUNTAIN. CONTRIBUTING TO THE ACCIDENT WAS THE UNFAVORABLE WIND AND DOWNDRAFT CONDITIONS.
Accident investigation:
 |
|
Sources:
NTSB LAX92LA133
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 25-Nov-2010 10:23 | TB | Updated [Aircraft type, Operator, Phase, Nature, Source, Damage, Narrative] |
| 27-Nov-2010 16:02 | TB | Updated [Cn] |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 08:43 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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