ASN Wikibase Occurrence # 380890
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| Date: | Saturday 10 September 1983 |
| Time: | 16:49 LT |
| Type: |  Piper PA-23-150 |
| Owner/operator: | Coronado Racing Corp |
| Registration: | N2180P |
| MSN: | 23789 |
| Total airframe hrs: | 3368 hours |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | San Diego, CA -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Training |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE STUDENT & INSTRUCTOR (CFI) WERE PRACTICING TOUCH & GO LANDINGS. DURING TAKEOFF FROM THE 4TH TOUCH & GO, THE LEFT ENG LOST POWER WHILE CLIMBING THRU ABOUT 200 FT AGL. THE CFI TOOK CONTROL OF THE ACFT. AT ABOUT THE SAME TIME, THE STUDENT SAW OIL COMING FROM THE LEFT ENG. THE CFI FEATHERED THE LEFT ENG, & AT THAT TIME, THE ACFT WAS VIBRATING & INDICATING 100 MPH. THE CFI LOWERED THE NOSE TO MAINTAIN THE BEST SINGLE ENG RATE OF CLIMB SPEED. HOWEVER, AT THAT SPEED, THE ACFT WAS IN A DESCENT. THE CFI CONTINUED OVER ROUGH TERRAIN TOWARD POWER LINES UNTIL HE REALIZED THE ACFT WOULD NOT CONTINUE TO FLY, THEN TURNED TO THE MOST SUITABLE TERRAIN & CRASH LANDED. AN EXAM OF THE LEFT ENG REVEALED A BROKEN OIL COOLER LINE. HOWEVER, 4 QTS OF OIL WAS STILL REMAINING & THERE WAS NO EVIDENCE THAT THE LOSS OF OIL HAD CAUSED THE ENG FAILURE. THE SPARK PLUGS WERE HEAVILY SOOTED, WHICH WAS INDICATIVE OF AN EXTREMELY RICH MIXTURE. ROUGH SPOTS WERE FOUND ON THE CARBURETOR FLOAT CHAMBER NEEDLE VLV, WHICH REPORTEDLY COULD HAVE ALLOWED THE VLV TO STICK OPEN.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX83LA432
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 21:34 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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