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ASN Wikibase Occurrence # 13444
Last updated: 28 March 2017
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Date:23-MAR-1970
Time:15:45 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:Aviation Center
Registration: N8720V
C/n / msn: 30-1173
Fatalities:Fatalities: 6 / Occupants: 6
Other fatalities:0
Airplane damage: Written off (damaged beyond repair)
Location:River Lake Ranch, Cottonwood, California -   United States of America
Phase: Initial climb
Nature:Domestic Non Scheduled Passenger
Departure airport:River Lake Ranch, Cottonwood, California
Destination airport:San Jose International Airport, San Jose, California (KSJC)
Narrative:
Written off (destroyed) March 23, 1970 when stalled and crashed during the initial climb out phase from River Lake Ranch, Cottonwood, California; all six persons on board (pilot and five passengers) were killed. Aircraft took off above safe maximum take off weight; over gross weight by 504 lbs. Center of gravity 1.20 inches aft of C of G limit. Exceeded aircraft performance capabilities. According to the following excerpt from the official NTSB report into the accident:

"PROBABLE CAUSE(S)
PILOT IN COMMAND - INADEQUATE PRE-FLIGHT PREPARATION AND/OR PLANNING
MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C of G.

Sources:

1. NTSB Identification: OAK70AP048 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=3903&key=0
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=8720V
3. http://planecrashmap.com/plane/ca/N8720V/


Revision history:

Date/timeContributorUpdates
25-Feb-2008 12:00 ASN archive Added
26-Jan-2017 19:39 Dr. John Smith Updated [Time, Aircraft type, Operator, Location, Phase, Departure airport, Destination airport, Source, Narrative]

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