ASN Wikibase Occurrence # 352691
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: | Friday 3 September 1999 |
| Time: | 17:51 LT |
| Type: |  Piper PA-18-135 |
| Owner/operator: | Andover Flight Academy |
| Registration: | N8143E |
| MSN: | 182150 |
| Total airframe hrs: | 2958 hours |
| Engine model: | Lycoming O-290 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Andover, NJ -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Training |
| Departure airport: | , NJ (12N) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After takeoff, about 400 feet above the ground, the engine made 'a metallic noise.' The CFI initiated a turn back to the runway, and the engine powered down and stopped, with the propeller in a horizontal position. The main wheels of the airplane struck the bank of a pond approximately 100 feet short of the runway, the airplane nosed over, and the pilot and passenger exited the aircraft. Examination of the crankshaft revealed that the crankshaft was separated through the aft cheek of the #3 main bearing. Magnified visual examination of the fracture face found characteristics of fatigue propagation, which initiated in the aft radius of the #3 main bearing and progressed rearward through approximately 80% of the crankshaft cheek before failing in overload. Examination of the initiation area revealed a single origin on the surface of the radius in an area of circumferential scratches. The origin was located on the journal about 10 to 15 degrees before top center of the adjacent #2 and #3 cylinders.
Probable Cause: Fatigue failure of the crankshaft.
Accident investigation:
 |
|
Sources:
NTSB NYC99LA219
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Mar-2024 14:46 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation