ASN Wikibase Occurrence # 36530
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| Date: | Saturday 1 October 1994 |
| Time: | 17:45 LT |
| Type: |  Cessna T210M |
| Owner/operator: | Ashcraft, Walter C. |
| Registration: | N732VK |
| MSN: | 21061807 |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 2695 hours |
| Engine model: | CONTINENTAL TSIO-520-R |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Richmond, UT -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Woodland, CA (041) |
| Lander, WY (KLND) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE COMMERCIAL PILOT REPORTED TO ATC THAT HIS ENGINE WAS LOSING OIL PRESSURE WHILE IN CRUISE FLIGHT AT FL190. THE PILOT REQUESTED TO DEVIATE TO A NEARBY AIRPORT AND ATC CLEARED HIM TO DESCEND TO 12,000 FEET. THE PILOT ENTERED INSTRUMENT CONDITIONS AS HE PROCEEDED TO THE AIRPORT. DURING HIS EMERGENCY DESCENT, THE PILOT COMMUNICATED HIS INTENTIONS TO THE UNICOM OPERATOR AT THE AIRPORT OF INTENDED LANDING. WHEN ASKED ABOUT HIS LOCATION, THE PILOT STATED THAT HE WAS 8 MILES EAST, HAD LOST HIS OIL PRESSURE, AND HOPED HE DIDN'T HIT ANY OF THE MOUNTAINS. SEARCH AND RESCUE AIRCRAFT RESPONDING TO THE ELT SIGNAL REPORTED THAT THE MOUNTAINS WERE OBSCURED AT THE TIME OF THE ACCIDENT. THE AIRPLANE WAS LOCATED 400 FEET BELOW THE CREST OF A 9,765 FOOT MOUNTAIN. THE BELLY AND UNDERSIDE OF THE FUSELAGE WAS COVERED WITH FRESH OIL. EXAMINATION OF THE ENGINE REVEALED THAT A 'B' NUT ON A BRAIDED OIL LINE CONNECTING THE OIL PUMP TO THE TURBOCHARGER WAS LOOSE. THE ENGINE TEARDOWN FOUND NO INTERNAL EVIDENCE OF LUBRICATION OR THERMAL DISTRESS WITHIN THE ENGINE.
Probable Cause: THE LOSS OF ENGINE OIL PRESSURE DUE TO AN OIL LEAK FROM A LOOSE OIL LINE FITTING. FACTORS WERE THE OBSCURATION, AND THE UNSUITABLE TERRAIN AT THE PILOT'S DISPOSAL.
Accident investigation:
 |
|
Sources:
NTSB FTW95FA003
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] |
| 09-Apr-2024 18:56 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Destination airport, Source, Narrative, Category, Accident report] |
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