Accident Hiller UH-12E N136HA,
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ASN Wikibase Occurrence # 356144
 
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Date:Wednesday 19 March 1997
Time:18:30 LT
Type:Silhouette image of generic UH12 model; specific model in this crash may look slightly different    
Hiller UH-12E
Owner/operator:Conversion Aviation Inc.
Registration: N136HA
MSN: HA3036
Engine model:Lycoming O-540-A
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Donna, TX -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Agricultural
Departure airport:Alice, TX (KALI)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The helicopter impacted a set of north-south aligned power lines at the mid point between two poles during an aerial application flight. The helicopter came to rest on its side in an onion field approximately 400 feet east from the point of impact with the wires. Authorities reported that wires were found wrapped around the helicopter's tail rotor assembly. According to the FAA inspector, the helicopter approached the dark green onion field to be sprayed from the east, while flying over a fleshly plowed field which exhibited a light tan/sandy shade of color. The FAA inspector added that the poles and the power lines that the helicopter impacted with lay directly between light and dark colored fields. A completed NTSB Form 6120.1/2 was not received from the pilot/operator of the helicopter.

Probable Cause: The pilot's failure to maintain clearance with the power lines during an aerial application flight. A factor was the power lines.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: FTW97LA131
Status: Investigation completed
Duration: 10 months
Download report: Final report

Sources:

NTSB FTW97LA131

History of this aircraft

Other occurrences involving this aircraft
15 July 1986 N136HA Agri-copter,inc. 0 Pataskala, OH sub

Location

Revision history:

Date/timeContributorUpdates
12-Mar-2024 19:30 ASN Update Bot Added

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