ASN Wikibase Occurrence # 364452
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can
submit corrected information.
Date: | Sunday 29 September 1991 |
Time: | 09:30 LT |
Type: | Davis D1K |
Owner/operator: | Private |
Registration: | N158Y |
MSN: | 508 |
Year of manufacture: | 1930 |
Total airframe hrs: | 2300 hours |
Engine model: | CONTINENTAL C-125 |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Chester, CT -
United States of America
|
Phase: | Initial climb |
Nature: | Unknown |
Departure airport: | |
Destination airport: | Simsbury, CT (4B9) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE PILOT DEPARTED WITH A GLIDER IN TOW AND LOST POWER. HE CUT AWAY THE GLIDER WHICH LANDED WITH MINOR DAMAGE AND LANDED THE AIRPLANE IN A WOODED AREA. EXAMINATION OF THE ENGINE REVEALED IT WAS BEING OPERATED WITH AUTO GAS WITHOUT AN STC. A COMPRESSION CHECK THAT MEETS FAA SPECIFICATIONS HAD NOT BEEN CONDUCTED ON THE ENGINE SINCE 1963, AND CARBON LIKE COMBUSTION DEPOSITS HAD BUILT UP ON THE EXHAUST VALVE IN THE NUMBER 3 CYLINDER, KEEPING THE EXHAUST VALVE FROM CLOSING. THE AIRPLANE AND ENGINE WERE 6 HOURS OUT OF AN ANNUAL INSPECTION.
Probable Cause: IMPROPER MAINTENANCE ON THE ENGINE WHICH RESULTED IN A POWER LOSS DUE TO A STUCK EXHAUST VALVE AND SUBSEQUENT FORCED LANDING IN UNSUITABLE TERRAIN.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | NYC91LA249 |
Status: | Investigation completed |
Duration: | 1 year and 7 months |
Download report: | Final report |
|
Sources:
NTSB NYC91LA249
Revision history:
Date/time | Contributor | Updates |
19-Mar-2024 15:08 |
ASN Update Bot |
Added |
The Aviation Safety Network is an exclusive service provided by:
CONNECT WITH US:
©2024 Flight Safety Foundation