ASN Wikibase Occurrence # 201387
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| Date: | Saturday 8 July 2017 |
| Time: | 10:45 |
| Type: |  Piper L-21B |
| Owner/operator: | Private |
| Registration: | N99031 |
| MSN: | 54-2590 |
| Year of manufacture: | 1954 |
| Total airframe hrs: | 2557 hours |
| Engine model: | Lycoming O-320-A2B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Big Timber, MT -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Big Timber, MT (6S0) |
| Big Timber, MT (6S0) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot reported that, after departure, he followed the course of a river at an altitude about level with the treetops. Although the pilot was aware of powerlines in the area, he did not see them before the airplane collided with the powerlines about 90 ft above ground level. The airplane subsequently nosed down and impacted the river, resulting in substantial damage.
According to the manager of the airport from which the airplane departed, it is not uncommon for pilots to fly at low altitudes in that area to avoid turbulent air in the summertime. He further reported that the power lines were not equipped with aerial marker balls. Following the accident, the airport manager agreed to install signage in the fixed base operator at the airport to caution pilots of the presence of power lines in that area.
Probable Cause: The pilot's decision to fly at low altitude in the vicinity of power lines, which resulted in a wire strike.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Nov-2017 07:45 | ASN Update Bot | Added |
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