ASN Wikibase Occurrence # 37500
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| Date: | Saturday 13 June 1992 |
| Time: | 14:06 LT |
| Type: |  Hughes OH-6A |
| Owner/operator: | U. S. Border Patrol |
| Registration: | N10436 |
| MSN: | 02731 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 11684 hours |
| Engine model: | ALLISON 250-C18 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Sunland Park, NM -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Unknown |
| Departure airport: | El Paso, TX (KELP) |
| (KELP) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE AIRCRAFT WAS BEING FLOWN ON A U. S. BORDER PATROL SURVEILLANCE MISSION WHEN IT STRUCK TWO STATIC LINES OF A POWER TRANSMISSION SYSTEM. THE 125 FOOT HIGH LINES WERE STRUNG ACROSS A DRAW AND SUPPORTED BY TOWERS LOCATED ON MOUNTAINS ON EITHER SIDE OF THE DRAW. THE AIRCRAFT WAS EQUIPPED WITH A WIRE STRIKE PROTECTION SYSTEM AND EVIDENCE INDICATED THAT ONE OF THE STATIC LINES WAS ENGAGED AND CUT BY THE UPPER CUTTER. HOWEVER, THE EVIDENCE ALSO INDICATED THAT THE SECOND STATIC LINE STRUCK THREE OF THE FOUR BLADES OF THE MAIN ROTOR SYSTEM. THE BLADES SUBSEQUENTLY DEPARTED THE HUB AND THE MAIN TRANSMISSION SEPARATED FROM THE AIRFRAME.
Probable Cause: THE PILOT'S FAILURE TO SEE AND AVOID THE WIRES.
Accident investigation:
 |
|
Sources:
NTSB FTW92GA157
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 20-Feb-2024 15:56 | Notar Helicopter | Updated [Cn, Country] |
| 20-Feb-2024 15:56 | ASN | Updated [Country] |
| 11-Apr-2024 06:33 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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