ASN Wikibase Occurrence # 365802
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Date: | Sunday 6 January 1991 |
Time: | 11:30 LT |
Type: | Cessna 172N |
Owner/operator: | Private |
Registration: | N737FJ |
MSN: | 17269382 |
Year of manufacture: | 1977 |
Engine model: | LYCOMING O-320-HZAD |
Fatalities: | Fatalities: 0 / Occupants: 4 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Ukiah, CA -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Willits, CA (028) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PILOT SAID HE WAS FLYING DOWN A RIVER VALLEY AT ABOUT 800 FT AGL AS HE AND HIS PASSENGERS WERE LOOKING OVER POTENTIAL TIMBER CUTTING AREAS. THE FLIGHT CROSSED A SADDLE IN THE MOUNTAINS WHICH REDUCED THE GROUND CLEARANCE TO ABOUT 300 FT. SUDDENLY, HE SAW AN UNMARKED HIGH TENSION POWER LINE DIRECTLY AHEAD. HE INITIATED A DIVING LEFT TURN IN AN ATTEMPT TO AVOID THE WIRE; HOWEVER, THE OUTBOARD RIGHT WING STRUCK THE WIRE. THE PILOT SAID THE OUTBOARD RIGHT WING SUSTAINED A SIGNIFICANT AMOUNT OF DAMAGE AND CONTROL OF THE AIRCRAFT WAS DIFFICULT IN THE ROLL AXIS. THE PILOT FLEW THE AIRCRAFT TO UKAIH, WHERE A SUCCESSFUL LANDING WAS MADE. ACCORDING TO THE PILOT, THE POWER LINE CROSSED PERPENDICULAR TO THE VALLEY WITH THE LINE SUSPENDED FROM TOWERS ON TOP OF RIDGES ON OPPOSITE SIDES OF THE VALLEY.
Probable Cause: THE FAILURE OF THE PILOT TO MAINTAIN AN ADEQUATE CLEARANCE FROM GROUND OBSTRUCTIONS. A FACTOR IN THE ACCIDENT WAS: FAILURE OF THE PILOT TO MAINTAIN AN ALTITUDE SUFFICIENT TO CLEAR ALL OBSTRUCTIONS ALONG HIS ROUTE OF FLIGHT.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | LAX91LA068 |
Status: | Investigation completed |
Duration: | 1 year and 11 months |
Download report: | Final report |
|
Sources:
NTSB LAX91LA068
Location
Revision history:
Date/time | Contributor | Updates |
20-Mar-2024 13:59 |
ASN Update Bot |
Added |
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