ASN Wikibase Occurrence # 219136
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| Date: | Saturday 15 October 1988 |
| Time: | 15:30 |
| Type: |  Cessna A185F |
| Owner/operator: | |
| Registration: | VH-UJT |
| MSN: | 18503282 |
| Year of manufacture: | 1977 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Location: | Orange Regional Airport (YORG), Orange, NSW -
 Australia
|
| Phase: | Take off |
| Nature: | Agricultural |
| Departure airport: | YORG |
| 730 Burrendong Way, Orange, NSW | |
| Investigating agency: | BASI |
| Confidence Rating: |  Accident investigation report completed and information captured |
At the start of the takeoff run, one propeller blade separated from the hub. The resulting propeller imbalance caused damage to the engine and airframe. The fracture was caused by the growth of a fatigue crack from the second blade retention thread. No material abnormalities or stress concentrators contributed to fatigue initiation. It was estimated that fatigue growth had occurred over a period of approximately 2100 takeoff/landing cycles. The Civil Aviation Authority subsequently amended the Airworthiness Directives relating to this type of McCauley propeller, when fitted to agricultural aircraft. These amendments include a reduction in hours between overhauls, and more detailed inspections of the threaded section of the blades.
Accident investigation:
 |
|
Sources:
https://www.atsb.gov.au/publications/investigation_reports/1988/aair/aair198802395/
https://www.atsb.gov.au/media/29104/aair198802395.pdf
History of this aircraft
Other occurrences involving this aircraft
| 28 January 1989 | VH-UJT | 0 | Kanimbla Valley, NSW | |
sub | |
| 11 February 2018 | VH-UJT | 0 | Gladstone Airport, QLD (GLT/YGLA) | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 07-Dec-2018 13:30 | Pineapple | Added |
Corrections or additions? ... Edit this accident description
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