ASN Wikibase Occurrence # 37131
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| Date: | Thursday 18 August 1994 |
| Time: | 19:35 LT |
| Type: |  Cessna 310 |
| Owner/operator: | Lamp, Kenneth |
| Registration: | N5319A |
| MSN: | 35519 |
| Total airframe hrs: | 4762 hours |
| Engine model: | CONTINENTAL O-470-M |
| Fatalities: | Fatalities: 3 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Pryor, OK -
 United States of America
|
| Phase: | Approach |
| Nature: | Executive |
| Departure airport: | El Paso, TX (KELP) |
| Pryor, OK (H71) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A LEFT ENGINE OIL LEAK WAS REPORTED PREVIOUSLY. THE SURVIVOR NOTED A REDUCTION OF PRESSURE ON AN OIL GAUGE & THAT THE LEFT PROPELLER HAD STOPPED TURNING BEFORE THE FLIGHT HAD REACHED THE DESTINATION. AN APPROACH WAS MADE TO LAND ON RUNWAY 35. HOWEVER, DURING ARRIVAL, THE AIRPLANE CRASHED ON THE AIRPORT & CAME TO REST 432' WEST OF THE RUNWAY. IMPACT WAS ON A HEADING OF 292 DEGREES. THE RIGHT PROPELLER WAS FOUND TWISTED & BENT; THE LEFT PROPELLER BLADES EXHIBITED LONGITUDINAL & DIAGONAL SCORING. A FATIGUE CRACK & OIL LEAK WERE FOUND IN THE CRANKCASE OF THE LEFT ENGINE. INVESTIGATION REVEALED, THE PILOT HAD FILED A FLIGHT PLAN WITH AN ESTIMATED TIME EN ROUTE (ETE) OF 4 HRS & 15 MIN (4 15) & AN ESTIMATED TIME OF ARRIVAL (ETA) OF 1745 CDT (2245 UTC). THERE WAS EVIDENCE THAT WHEN THE FLIGHT PLAN WAS FORWARDED THROUGH ALBUQUERQUE (ABQ) AFSS TO THE MCALESTER (MCL) AFSS, THE NUMBERS FOR THE ETE WERE INADVERTENTLY SENT OR COPIED AS THE ETA; MCL RECEIVED OR COPIED THE ETA AS 0415 UTC (2315 CDT). A SEARCH WAS NOT INITIATED UNTIL AFTER THE PILOT'S WIFE INQUIRED ABOUT THE OVERDUE AIRPLANE (ABOUT 2209 CDT). THE AIRPLANE WAS LOCATED AT 0628 CDT THE FOLLOWING MORNING. THE SURVIVING PASSENGER REPORTED HEARING 'MOANS DURING THE NIGHT' AND BELIEVED THE RIGHT SEAT PASSENGER WAS ALIVE FOR A TIME AFTER IMPACT.
Probable Cause: FAILURE OF THE PILOT TO MAINTAIN MINIMUM CONTROL AIRSPEED (VMC), WHICH RESULTED IN A LOSS OF AIRCRAFT CONTROL. FACTORS RELATED TO THE ACCIDENT WERE: AN OIL LEAK FROM A FATIGUE CRACK IN THE ENGINE CRANKCASE, AND INADEQUATE MAINTENANCE.
Accident investigation:
 |
|
Sources:
NTSB FTW94FA273
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 19:44 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Source, Narrative, Accident report] |
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