ASN Wikibase Occurrence # 359009
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| Date: | Tuesday 16 May 1995 |
| Time: | 11:38 LT |
| Type: |  Ryan Navion |
| Owner/operator: | Private |
| Registration: | N41151 |
| MSN: | 4-1151 |
| Engine model: | CONTINENTAL E-225 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Flagstaff, AZ -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Pacoima, CA (KWHP) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
SHORTLY AFTER LIFT-OFF, A PROPELLER BLADE ROTATED TOWARD THE FEATHER POSITION. THE PILOT WAS UNABLE TO MAINTAIN ALTITUDE AND LANDED ADJACENT TO THE RUNWAY ON AN EMBANKMENT. THE AIRPLANE THEN ROLLED DOWN THE EMBANKMENT. EXAMINATION OF THE PROPELLER ASSEMBLY REVEALED THAT A PITCH CHANGE CONTROL ROD END NUT BACKED OFF AND CONTACTED THE ENGINE CASE. THIS CONTACT CAUSED THE PITCH CHANGE CONTROL ROD TO FAIL, WHICH ALLOWED THE PROPELLER BLADE TO ROTATE. THE PILOT, A CERTIFICATED MECHANIC, INSTALLED THE PROPELLER ABOUT 4 DAYS BEFORE THE ACCIDENT.
Probable Cause: The owner/pilot improper installation of the propeller by failing to properly connect the pitch change mechanism.
Accident investigation:
 |
|
Sources:
NTSB LAX95LA189
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Mar-2024 20:36 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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