ASN Wikibase Occurrence # 40053
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| Date: | Wednesday 30 August 1995 |
| Time: | 05:53 LT |
| Type: |  Piper PA-23-250 Aztec |
| Owner/operator: | Richard A. Fenimore |
| Registration: | N7156T |
| MSN: | 27-3601 |
| Year of manufacture: | 1967 |
| Engine model: | Lycoming IO-540 |
| Fatalities: | Fatalities: 1 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Marana, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | , AZ (E14) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS BEGINNING A FLIGHT TO TRANSPORT MARIJUANA IN DUFFLE BAGS. SHORTLY AFTER TAKEOFF THE RIGHT PROPELLER BEGAN TO SEPARATE FROM ITS MOUNTING FLANGE. THE PILOT TURNED THE AIRPLANE TOWARD THE AIRPORT, FEATHERED THE WRONG PROPELLER AND BEGAN TO THROW OUT THE DUFFLE BAGS. THE AIRPLANE COLLIDED WITH A TREE, WIRES, AND A PRIVATELY OWNED RESIDENCE. TWO PERSONS IN THE RESIDENCE SUSTAINED MINOR INJURIES. THE POST ACCIDENT WRECKAGE EXAMINATION REVEALED THAT THE PROPELLER MOUNTING STUDS SAFETY WIRE WAS BROKEN AND THREE OF THE SIX PROPELLER MOUNTING STUDS WERE BROKEN. THE REMAINING MOUNTING STUDS HAD BACKED OFF. THE RIGHT ENGINE OIL SYSTEM CONTAINED EXTENSIVE METAL PARTICLES AND THE PROPELLER GOVERNOR OIL SCREEN WAS ALTERED TO ALLOW UNFILTERED OIL FLOW.
Probable Cause: the pilot's poor installation of the propeller which allowed the propeller to become loose, and the pilot's improper emergency procedure by feathering the wrong propeller.
Accident investigation:
 |
|
Sources:
NTSB LAX95LA314
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Apr-2024 12:29 | ASN Update Bot | Updated [Time, Operator, Total occupants, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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