ASN Wikibase Occurrence # 38749
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| Date: | Thursday 12 July 1990 |
| Time: | 07:18 |
| Type: |  Cessna P210R |
| Owner/operator: | Great Western Aviation |
| Registration: | N6203A |
| MSN: | P2100870 |
| Total airframe hrs: | 1273 hours |
| Engine model: | CONTINENTAL TSIO-520-CE |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Ogden, UT -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Ogden, UT (OGD) |
| Dutch John, UT (334) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE TWO PLTS HAD DEPARTED ON A FLT TO GET TWO REVENUE PASSENGERS. THE LEFT SEAT PLT WAS AT THE CTLS WHEN A LOSS OF ENG POWER OCCURRED. HE MADE A 180 DEG TURN & WAS GLIDING DOWN A CANYON WHEN IT STRUCK AN UNMARKED POWER LINE AT THE MOUTH OF THE CANYON. IMPACT OCCURRED ABOUT 100 TO 200 FT AGL. A POST-ACDNT EXAM OF THE ENG REVEALED EVIDENCE OF DETONATION/PREIGNITION & EXCESSIVE HEATING IN THE #1 CLYINDER & SUBSEQUENT FAILURE OF THE #1 PISTON. CAUSE: FAILURE OF THE #1 PISTON DUE TO PRE-IGNITION/DETONATION IN THE #1 CYLINDER, AND INADEQUATE VISUAL LOOKOUT BY THE PILOT (HIS FAILURE TO SEE-AND-AVOID THE OBSTRUCTION). THE OBSTRUCTION (POWER LINE) WAS A RELATED FACTOR.
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X23670
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] |
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