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ASN Wikibase Occurrence # 59026
Last updated: 5 December 2016
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Date:25-MAR-2009
Time:10:30
Type:Silhouette image of generic F22 model; specific model in this crash may look slightly different
Lockheed Martin F-22A Raptor
Owner/operator:United States Air Force (USAF)
Registration: 91-4008
C/n / msn: 91-008
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Airplane damage: Written off (damaged beyond repair)
Location:6 mi N of Harper Dry Lakebed, CA -   United States of America
Phase:
Nature:Military
Departure airport:Edwards AFB, CA (EDW/KEDW)
Destination airport:
Narrative:
This mishap was caused by the MTPs adverse physiological reaction to high acceleration forces
and subsequent loss of situational awareness (SA) during recovery from the third test maneuver.
The pilot channelized his attention to fight off the effects of high g-forces, characterized by
grayout, light loss, and/or tunnel vision; meanwhile, the aircraft entered an extreme nose down,
high-speed attitude from which safe recovery was not possible. The pilot regained some SA but
determined he was too low and descending too fast for a safe recovery. He ejected from the
aircraft outside the ejection seat design envelope and sustained fatal injury.

Sources:
AIRCRAFT ACCIDENT INVESTIGATION
F-22A, T/N 91-4008
EDWARDS AIR FORCE BASE, CALIFORNIA
25 MARCH 2009


Revision history:

Date/timeContributorUpdates
25-Mar-2009 12:28 Digitalis Added
25-Mar-2009 23:44 angels one five Updated
26-Mar-2009 00:31 angels one five Updated
29-Mar-2009 23:16 angels one five Updated
14-Oct-2009 09:37 harro Updated
16-Nov-2012 11:33 harro Updated [Location, Departure airport, Source, Damage, Narrative]
21-Jun-2013 13:27 TB Updated [Time, Aircraft type, Cn, Operator, Location, Source, Narrative]
15-Sep-2016 04:14 brucekopec Updated [Source, Narrative]
Number of views: 1180

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