ASN Wikibase Occurrence # 288532
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| Date: | Sunday 9 May 2010 |
| Time: | 14:45 LT |
| Type: |  Gross COZY |
| Owner/operator: | |
| Registration: | N144TJ |
| MSN: | 452 |
| Total airframe hrs: | 600 hours |
| Engine model: | Lycoming O320 E2D |
| Fatalities: | Fatalities: 0 / Occupants: 6 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Pine Bluff, Arkansas -
 United States of America
|
| Phase: | Standing |
| Nature: | Private |
| Departure airport: | Monroe Regional Airport, LA (MLU/KMLU) |
| Rochester International Airport, MN (RST/KRST) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was in cruise flight when the right-side hinged cockpit canopy suddenly opened to about a 90-degree up position. The pilot's headset and several other loose items in the cockpit exited the airplane. The pilot subsequently experienced a 'large vibration†in the engine. With the engine producing partial power, the pilot elected to perform an emergency descent. About 4 miles from the airport, the engine experienced a total loss of power, and the pilot executed a forced landing on a busy five-lane road. After missing several vehicles, the airplane struck and damaged the rear of a car and came to rest in a ditch on the side of the road. A postaccident examination of the canopy's primary and secondary latch system revealed that the secondary latch system exhibited an overstress fracture of the spring steel hook and had separated. The overstress fracture likely occurred during due to the canopy opening; the reason for the inadvertent opening of the canopy could not be determined. The damage to the rear mounted pusher propeller was consistent with debris from the cabin striking the propeller when the canopy opened in flight.
Probable Cause: The inadvertent opening of the cockpit canopy during cruise flight for undetermined reasons, which allowed debris to impact and damage the pusher propeller with a resulting total loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB CEN10LA245
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 23:40 | ASN Update Bot | Added |
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