ASN Wikibase Occurrence # 41576
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| Date: | Saturday 28 May 1994 |
| Time: | 09:30 LT |
| Type: |  Cessna 320E |
| Owner/operator: | Keystone Aerial Surveys Inc. |
| Registration: | N3472Q |
| MSN: | 320E-0072 |
| Total airframe hrs: | 9195 hours |
| Engine model: | CONTINENTAL TSIO-520-EB |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Battle Mountain, NV -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
SHEEPHERDERS NEAR THE ACCIDENT SITE REPORTED OBSERVING THE TWIN ENGINE AIRPLANE PERFORMING LOW LEVEL MANEUVERS IN THE MOUNTAINS NEAR THEIR VICINITY. THEY LATER HEARD THE SOUND OF GROUND IMPACT. THE RESTRICTED CATEGORY AIRPLANE WAS EQUIPPED WITH ELECTRONIC SURVEYING EQUIPMENT FOR LOW LEVEL AIRBORNE MAGNETIC MAPPING FOR MINERAL EXPLORATION. THE WRECKAGE WAS LOCATED ON THE EASTERN SLOPE OF A BOX CANYON AT THE 7,000 FOOT ELEVATION. COMPONENTS AND GROUND SCARS WERE FOUND ALONG A 220 FOOT LONG PATH ON THE 42 TO 65 DEGREE DOWN SLOPE OF THE CANYON WALL. THE MISSION PROFILE WAS TO CONDUCT A SERIES OF LOW LEVEL FLIGHTS AT ALTITUDES RANGING FROM 200 TO 500 FEET ABOVE THE GROUND. EXAMINATION OF THE AIRPLANE, ENGINES, AND TURBOCHARGERS, DID NOT REVEAL ANY MECHANICAL ANOMALIES.
Probable Cause: THE PILOT'S FAILURE TO MAINTAIN TERRAIN CLEARANCE WHILE MANEUVERING DURING A LOW LEVEL AERIAL MAPPING FLIGHT. A FACTOR WAS THE BOX CANYON.
Accident investigation:
 |
|
Sources:
NTSB FTW94FA183
Location
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] |
| 28-Nov-2018 21:15 | Aerossurance | Updated [Nature, Source] |
| 10-Apr-2024 07:10 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Nature, Source, Narrative, Category, Accident report] |
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