Accident Piper PA-30-160 Twin Comanche N7743Y,
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ASN Wikibase Occurrence # 13554
 
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Date:Thursday 2 May 1974
Time:16:15 LT
Type:Silhouette image of generic PA30 model; specific model in this crash may look slightly different    
Piper PA-30-160 Twin Comanche
Owner/operator:Comanche Associates Inc
Registration: N7743Y
MSN: 30-834
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:near Deer Island, Columbia County, Oregon -   United States of America
Phase: En route
Nature:Private
Departure airport:McMinnville Municipal Airport,Sheridan, Oregon (MMV/KMMV)
Destination airport:Boeing Field (King County Airport) Seattle, Washington (BFI/KBFI)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Written off (destroyed) May 2, 1974 when collided with poles/overhead wires near Deer Island, Columbia County, Oregon (at approximate Coordinates: 45°55′52″N 122°50′37″W): aircraft observed flying very low, tree-top height, and very fast. Initial impact with telephone pole. Pilots Blood/alcohol level 211 mg%. The pilot - the sole person on board - was killed. According to the following excerpt from the official NTSB report into the accident:

"PROBABLE CAUSE(S)
PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS - PHYSICAL IMPAIRMENT - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
FACTOR(S)
MISCELLANEOUS ACTS,CONDITIONS - PILOT FATIGUE
TERRAIN - HIGH OBSTRUCTIONS"

Registration N7743Y cancelled by the FAA on June 24, 1974. Note that the registration N7743Y was re-allocated on May 7 2007 to another Piper PA-30 Twin Comanche: however, this aircraft was not the same aircraft as the one which crashed as per the above...the "new" N7743Y was c/no 30-833 (in other words, a completely different aircraft)

Accident investigation:
  
Investigating agency: NTSB
Report number: SEA74AS042
Status: Investigation completed
Duration:
Download report: Final report

Sources:

1. NTSB Identification: SEA74AS042 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=25742&key=0
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=7743Y
3. http://planecrashmap.com/plane/or/N7743Y/

Revision history:

Date/timeContributorUpdates
25-Feb-2008 12:00 ASN archive Added
05-Feb-2017 15:14 Dr.John Smith Updated [Time, Aircraft type, Operator, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative]
05-Feb-2017 15:15 Dr.John Smith Updated [Narrative]

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