Accident Piper PA-30-320 Twin Comanche N7906Y,
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ASN Wikibase Occurrence # 13467
 
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Date:Sunday 22 June 1969
Time:01:38 LT
Type:Silhouette image of generic PA30 model; specific model in this crash may look slightly different    
Piper PA-30-320 Twin Comanche
Owner/operator:Private
Registration: N7906Y
MSN: 30-995
Fatalities:Fatalities: 3 / Occupants: 3
Aircraft damage: Destroyed
Category:Accident
Location:Inkster, Wayne County, Michigan -   United States of America
Phase: Initial climb
Nature:Private
Departure airport:Inkster, Wayne County, Michigan
Destination airport:Chicago O'Hare International Airport (ORD/KORD)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Written off (destroyed) June 22, 1969 when stalled and spun into the ground due to engine failure, during the initial climb out phase from Inkster, Wayne County, Michigan; the cause of the crash was attributed to a loose pointer/handle on the left fuel selector valve, which allowed the Pilot to position the valve to "off".

Aircraft took off overweight: 114 lb over gross maximum take off weight. All three persons on board (pilot and two passengers) were killed. According to the following excerpt from the official NTSB report into the accident:

"PROBABLE CAUSE(S)
POWERPLANT - FUEL SYSTEM: SELECTOR VALVES
MISCELLANEOUS ACTS,CONDITIONS - LOOSE, PART/FITTING - IMPROPERLY INSTALLED
PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
FACTOR(S)
MISCELLANEOUS ACTS, CONDITIONS - IMPROPERLY LOADED AIRCRAFT- WEIGHT-AND/OR C.G.
COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT - #1 ENGINE"

Accident investigation:
  
Investigating agency: NTSB
Report number: CHI69A0102
Status: Investigation completed
Duration: 6 months
Download report: Final report

Sources:

1. NTSB Identification: CHI69A0102 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=6932&key=0
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=7906Y
3. http://planecrashmap.com/plane/mi/N7906Y/

Revision history:

Date/timeContributorUpdates
25-Feb-2008 12:00 ASN archive Added
23-Jan-2017 18:48 Dr. John Smith Updated [Time, Aircraft type, Operator, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative]

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