ASN Wikibase Occurrence # 132184
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| Date: | Friday 29 May 1992 |
| Time: | 13:35 LT |
| Type: |  Piper PA-28-140 |
| Owner/operator: | Chamberlain, Dwight N. |
| Registration: | N6434R |
| MSN: | 28-21615 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 2662 hours |
| Engine model: | Lycoming O-320-E2A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Monarch, MT -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Priest River, ID (1S6) |
| Lewistown, MT (LWT | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AFTER RECEIVING A WEATHER BRIEFING DURING WHICH VFR FLIGHT WAS NOT RECOMMENDED, THE NON-INSTRUMENT RATED PILOT DEPARTED PRIEST RIVER, EN ROUTE TO LEWISTOWN. APPROXIMATELY 50 NAUTICAL MILES SHORT OF HIS DESTINATION, OVER HILLY/MOUNTAINOUS TERRAIN, THE AIRCRAFT COLLIDED WITH TREES NEAR THE TOP OF A 7650 FOOT RIDGELINE AND CRASHED. THE PILOT REPORTED LOW CEILINGS AND 1.5 MILES VISIBILITY RESTRICTED BY MODERATE RAIN AND CLOUDS AT THE TIME OF THE ACCIDENT. HE ALSO REPORTED A LOSS OF ALTITUDE AT FULL POWER APPROACHING THE RIDGELINE THAT WAS NOT ATTRIBUTED TO ANY AIRCRAFT MALFUNCTION.
Probable Cause: THE PILOT IN COMMAND'S DISREGARD OF THE WEATHER FORECAST AND FAILURE TO MAINTAIN CLEARANCE WITH TREES/TERRAIN. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: HILLY/MOUNTAINOUS TERRAIN, WEATHER CONDITIONS: RAIN, LOW CEILINGS AND DOWNDRAFTS, TREES AND THE PILOT IN COMMAND'S CONTINUED FLIGHT INTO KNOWN ADVERSE WEATHER.
Accident investigation:
 |
|
Sources:
NTSB SEA92LA110
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Apr-2024 06:59 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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