ASN Wikibase Occurrence # 354627
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| Date: | Sunday 5 April 1998 |
| Time: | 11:00 LT |
| Type: |  Cessna T210L |
| Owner/operator: | Private |
| Registration: | N591DC |
| MSN: | 210-60147 |
| Total airframe hrs: | 1458 hours |
| Engine model: | Continental TSIO-520-H |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Santa Teresa, NM -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | , NM (5T6) |
| (5T6) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a descent for landing with the power set at 23 inches of manifold pressure and 2,300 rpm, there was a loud noise, and something was observed to come out of the cowling. This was followed by a sudden loss of engine power, severe engine vibration, and light blue smoke in the cockpit. The pilots landed on a dirt road, but the airplane struck a sand dune, bounced, and nosed over. Postaccident engine examination disclosed the #1 piston had broken in half. The top half of the piston remained in the upper (outer) portion of the #1 cylinder. The bottom half of the piston was destroyed. The connecting rod and the cap bolt had separated. The camshaft and its splined end (where it attached to the oil pump) were damaged, and the oil pump had seized. There was 'necking down' of the rod cap bolts, consistent with tension overload. The engine had accrued 1,464.7 hours of flight time since new, and 915.1 hours of flight time since major overhaul.
Probable Cause: failure of the number 1 piston, which resulted in loss of engine power and a subsequent forced landing. The lack of suitable terrain for a forced landing was a related factor.
Accident investigation:
 |
|
Sources:
NTSB FTW98LA173
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Mar-2024 16:33 | ASN Update Bot | Added |
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