Accident Piper PA-30 Twin Comanche N8442Y,
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ASN Wikibase Occurrence # 19877
 
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Date:Tuesday 15 April 2008
Time:08:20
Type:Silhouette image of generic PA30 model; specific model in this crash may look slightly different    
Piper PA-30 Twin Comanche
Owner/operator:Environmental Technology Inc.
Registration: N8442Y
MSN: 30-1602
Year of manufacture:1967
Total airframe hrs:3290 hours
Engine model:Lycoming IO-320-C1A
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:near Holbrook, Navajo County, Arizona -   United States of America
Phase: Approach
Nature:Private
Departure airport:Mesa, AZ (FFZ)
Destination airport:Holbrook, AZ (P14)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot reported that prior to takeoff the two main fuel tanks were full to the bottom of the fill cap and the two auxiliary tanks had approximately 8 gallons in each side. About 40 minutes into the flight, and descending to the destination, the right engine lost power. The pilot stated that he did not immediately feather the prop and shut the engine down because it appeared to be a fuel starvation problem. The pilot was attempting to restart the right engine when the left engine lost power. Unable to reach the airport, the pilot initiated a gear-up forced landing to an open field. The airplane landed hard, damaging the fuselage. Recovery personnel reported that the main fuel tanks contained about 27 gallons of fuel each, while the auxiliary tanks were empty. Postaccident inspection of the engines revealed that the fuel lines leading to the engines were dry. The right engine crankshaft's flange was bent, but a test run of the left engine indicated that the engine operated normally. Evidence indicates that the pilot improperly positioned the fuel selectors so that they were on the auxiliary tanks instead of the main fuel tanks. The auxiliary tanks ran dry and the engines lost power due to fuel starvation. The pilot indicated to a Federal Aviation Administration inspector that he had difficulty viewing the fuel selectors on the floor between the seats.
Probable Cause: A total loss of engine power due to fuel starvation as a result of the pilot's fuel system mismanagement and incorrect positioning of the fuel selector valves.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: LAX08LA107
Status: Investigation completed
Duration: 1 year
Download report: Final report

Sources:

NTSB
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=8442Y

3. https://flightaware.com/resources/registration/N8442Y

Location

Revision history:

Date/timeContributorUpdates
23-May-2008 23:56 Fusko Added
21-Dec-2016 19:14 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:16 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Dec-2016 19:20 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
12-Apr-2017 19:31 Dr.John Smith Updated [Time, Aircraft type, Location, Nature, Departure airport, Destination airport, Source, Narrative]
03-Dec-2017 10:45 ASN Update Bot Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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