ASN Wikibase Occurrence # 134853
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| Date: | Monday 1 August 2005 |
| Time: | 17:30 |
| Type: |  Quickie Q200 |
| Owner/operator: | Private |
| Registration: | N870BM |
| MSN: | 2572 |
| Total airframe hrs: | 1201 hours |
| Engine model: | Continental O-200A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Delano, CA -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Modesto, CA (MOD) |
| Ramona, CA (RNM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A propeller blade separated while the airplane was cruising at 9,500 feet mean sea level. The pilot then experienced a severe vibration and he shutoff the engine. During the ensuing forced landing, the airplane impacted objects short of the runway and came to rest inverted. A subsequent examination of the wood propeller revealed that it had separated at glue joints and delaminated. The pilot had torqued the propeller's attachment bolts to the 18-foot-pound value placarded on the propeller. The previous owner of the airplane had recommended torquing the bolts to 15-foot-pounds. A hair-line crack was found emanating from one of the propeller's attachment bolt holes. The FAA coordinator reported that the attachment bolt torquing sequence for the experimental airplane's propeller was not specified by the manufacturer.
Probable Cause: the in-flight delamination and separation of a propeller blade for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20050806X01178&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 06-Dec-2017 10:54 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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