ASN Wikibase Occurrence # 367574
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| Date: | Wednesday 27 December 1989 |
| Time: | 13:00 LT |
| Type: |  Beechcraft 33 |
| Owner/operator: | Ray And Anne Glover |
| Registration: | N875R |
| MSN: | CD-31 |
| Total airframe hrs: | 3974 hours |
| Engine model: | CONTINENTAL IO-470-J |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gorman, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Mariposa, CA (068) |
| San Diego, CA (KMYF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING CRUISE FLIGHT AT 7,500 FT THE PILOT NOTICED THE RPM FLUCTUATING 50-100 RPM. THE PROP THEN STARTED CYCLING 'WILDLY'. THE PILOT WAS ABLE TO STABILIZE THE CYCLING BY THROTTLING BACK, AND ELECTED TO GLIDE TO AN AIRPORT. POWER LINES WERE OBSERVED ACROSS THE APPROACH TO RWY 26. THE AIRCRAFT LANDED SHORT ON TOP OF A HILL AND ROLLED INTO A RAVINE. THE PILOT REPORTED THAT THE PROP GOVERNOR HAD 235 HRS SINCE OVERHAUL.
Probable Cause: THE MALFUNCTIONING PROPELLER GOVERNOR, AND THE PILOT'S MISJUDGEMENT OF ALTITUDE AND DISTANCE OF THE APPROACH PATH DURING AN EMERGENCY LANDING. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: THE POWER LINES ACROSS THE APPROACH PATH TO THE RUNWAY AND THE SURROUNDING TERRAIN CONDITIONS.
Accident investigation:
 |
|
Sources:
NTSB LAX90LA057
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2024 16:33 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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