ASN Wikibase Occurrence # 3832
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: | Thursday 2 January 1975 |
Time: | 08:35 |
Type: | Beechcraft A60 Duke |
Owner/operator: | Penhall Company |
Registration: | N2855W |
MSN: | P-229 |
Fatalities: | Fatalities: 5 / Occupants: 5 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | near Mammoth Lakes-Yosemite Airport, CA -
United States of America
|
Phase: | Initial climb |
Nature: | Executive |
Departure airport: | Mammoth Lakes-Yosemite Airport |
Destination airport: | Santa Ana, CA |
Investigating agency: | NTSB |
Confidence Rating: | Information verified through data from accident investigation authorities |
Narrative: The aircraft experienced a dual propeller overspeeding while on initial climb from Mammoth Lakes-Yosemite Airport, subsequently causing a stall and impact with terrain in Mammoth Lakes, California. The aircraft was engulfed in flames and all 5 occupants were killed.
- Probable Cause :
Inadequate preflight preparation on part of the pilot. The following contributing factors were reported:
- Propeller and accessories: hydraulic pitch control mechanism,
- Lack of action on part of the pilot,
- Failed to maintain flying speed,
- Propeller oversped due to congealed oil,
- The pilot failed to exercise props checks before takeoff.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | OAK75AP029 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB
Revision history:
Date/time | Contributor | Updates |
25-Feb-2008 12:00 |
ASN archive |
Added |
12-Apr-2019 17:22 |
Captain Adam |
Updated [Operator, Location, Phase, Nature, Departure airport, Narrative] |
The Aviation Safety Network is an exclusive service provided by:
CONNECT WITH US:
©2024 Flight Safety Foundation