ASN Wikibase Occurrence # 358908
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Date: | Sunday 4 June 1995 |
Time: | 18:00 LT |
Type: | Hiller UH-12E |
Owner/operator: | Main Street Aviation, Inc |
Registration: | N4254X |
MSN: | 1378 |
Total airframe hrs: | 6183 hours |
Engine model: | LYCOMING VO-540-B1A |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Checotah, OK -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Agricultural |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:WHILE DISPENSING A HERBICIDE, 'THE ENGINE LOST POWER, RPM, AND A VIBRATION WAS FELT. THE ENGINE RECOVERED TO FULL POWER CAUSING THE HELICOPTER TO YAW.' THIS EVENT OCCURRED THREE ADDITIONAL TIMES FOR UNDETERMINED REASONS DURING AN ATTEMPTED RUN-ON LANDING TO A FIELD. AS THE HELICOPTER'S SKIDS CONTACTED THE GROUND, THE PILOT HEARD A 'BOOM', THE HELICOPTER YAWED, THE SKIDS SEPARATED FROM THE FUSELAGE, AND THE HELICOPTER CAME TO REST ON ITS SIDE.
Probable Cause: THE PILOT ALLOWING THE HELICOPTER TO TOUCHDOWN IMPROPERLY. A FACTOR WAS THE ERRATIC RUNNING ENGINE.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | FTW95LA230 |
Status: | Investigation completed |
Duration: | 4 months |
Download report: | Final report |
|
Sources:
NTSB FTW95LA230
Location
Revision history:
Date/time | Contributor | Updates |
14-Mar-2024 19:29 |
ASN Update Bot |
Added |
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