ASN Wikibase Occurrence # 180644
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| Date: | Saturday 24 October 2015 |
| Time: | 07:53 |
| Type: |  Mooney M20M Bravo |
| Owner/operator: | Private |
| Registration: | N243CW |
| MSN: | 27-0212 |
| Year of manufacture: | 1996 |
| Total airframe hrs: | 2872 hours |
| Engine model: | Lycoming TIO-540 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | South of Worcester Regional Airport (KORH), Worcester, MA -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Worcester, MA (ORH) |
| Worcester, MA (ORH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airline transport pilot was departing on a personal local flight in his airplane when the airplane's engine lost total power. Review of airport security video revealed that, after takeoff, the airplane reached an altitude of about 200 ft before turning right and reversing direction. The airplane subsequently stalled, rolled to the right, and descended uncontrolled into trees. It is likely that the pilot reversed direction to return to the airport but failed to maintain adequate airspeed while maneuvering, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, and loss of control. Examination of the engine revealed that the crankshaft had failed due to fatigue cracking between the No. 5 and No. 6 cheeks. The cracking pattern suggested that numerous overstress conditions of relatively short durations acted to initiate the fatigue cracks, but the cause for this overstress could not be determined.
Probable Cause: A total loss of engine power during the initial climb due to a fatigue failure of the engine's crankshaft. Contributing to the accident was the pilot's failure to maintain control of the airplane, which resulted in an aerodynamic stall.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=243CW
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2015 15:45 | Geno | Added |
| 24-Oct-2015 15:46 | Geno | Updated [Total fatalities, Narrative] |
| 24-Oct-2015 20:04 | Anon. | Updated [Registration] |
| 24-Oct-2015 20:05 | harro | Updated [Aircraft type, Cn, Source] |
| 24-Oct-2015 23:13 | Geno | Updated [Aircraft type, Registration, Cn, Source, Damage, Narrative] |
| 27-Oct-2015 20:23 | Anon. | Updated [Registration] |
| 08-Nov-2015 05:18 | Geno | Updated [Nature, Destination airport, Source] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 06-Sep-2017 07:05 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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