ASN Wikibase Occurrence # 132044
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| Date: | Friday 14 May 1993 |
| Time: | 08:30 LT |
| Type: |  Air Tractor AT-401 |
| Owner/operator: | Olson Air Service, Inc. |
| Registration: | N4503U |
| MSN: | 401-0748 |
| Total airframe hrs: | 1159 hours |
| Engine model: | P&W R-1340-ANI |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Oconto, NE -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Holdrege, NE |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS OVER FLYING A FIELD IN PREPARATION FOR A SPRAYING RUN WHEN A RAIN SHOWER OCCURRED. THE PILOT STATED A MICROBURST WAS ENCOUNTERED AND HE DUMPED THE CHEMICAL LOAD IN AN ATTEMPT TO MAINTAIN ALTITUDE. THE AIRPLANE DESCENDED FROM AN ALTITUDE OF APPROXIMATELY 400 FEET TO IMPACT WITH THE TERRAIN. A SURFACE WEATHER REPORT ISSUED 25 MINUTES AFTER THE ACCIDENT FROM THE BROKEN BOW AIRPORT, 19 MILES NORTH-NORTHEAST OF THE ACCIDENT SITE, REPORTED VIRGA SOUTH-SOUTHWEST OF THE AIRPORT.
Probable Cause: THE PILOT'S INABILITY TO MAINTAIN ALTITUDE AFTER ENCOUNTERING A DOWNDRAFT.
Accident investigation:
 |
|
Sources:
NTSB CHI93LA170
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 14:01 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Source, Narrative, Category, Accident report] |
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