ASN Wikibase Occurrence # 13491
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| Date: | Friday 18 September 1970 |
| Time: | 09:46 LT |
| Type: |  Piper PA-30-160 Twin Comanche |
| Owner/operator: | Johnson Publishing |
| Registration: | N8414Y |
| MSN: | 30-1564 |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Boulder City Municipal Airport, Boulder, Colorado -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Executive |
| Departure airport: | Boulder City Municipal Airport, Boulder, Colorado (BDU/KBDU) |
| Casper–Natrona County International Airport, Casper, Wyoming (CPR/KCPR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Written off (destroyed) September 18, 1970 when stalled and crashed during the initial climb-out phase from Boulder City Municipal Airport, Boulder, Colorado (at approximate Coordinates 40°02′22″N 105°13′33″W): aircraft took off over maximum allowed gross take off weight (about 124 lbs over weight). C of G undetermined. Aircraft assumed very nose high attitude after liftoff. Both persons on board (pilot and one passenger) were killed. According to the official NTSB report into the accident:
"PROBABLE CAUSE(S)
PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED - INADEQUATE PRE-FLIGHT PREPARATION AND/OR PLANNING
FACTOR(S)
MISCELLANEOUS ACTS, CONDITIONS - IMPROPERLY LOADED AIRCRAFT- WEIGHT-AND/OR C.of G OUTSIDE LIMITS"
Accident investigation:
|
Sources:
1. NTSB Identification: DEN71AD012 at https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=603&key=0
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=8414Y
3. http://planecrashmap.com/plane/co/N8414Y/
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Feb-2008 12:00 | ASN archive | Added |
| 26-Jan-2017 21:18 | Dr. John Smith | Updated [Time, Aircraft type, Operator, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative] |
Corrections or additions? ... Edit this accident description
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