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ASN Wikibase Occurrence # 44417
Last updated: 11 November 2020
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Date:23-JUL-2005
Time:13:26
Type:Silhouette image of generic YK52 model; specific model in this crash may look slightly different
Yakovlev Yak-52
Owner/operator:Private
Registration: N2331C
C/n / msn: 899307
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Claremore, OK -   United States of America
Phase: Take off
Nature:Demo/Airshow/Display
Departure airport:Claremore, OK (GCM)
Destination airport:
Investigating agency: NTSB
Narrative:
The 1,700-hour pilot was performing a low-altitude aerobatic maneuver on takeoff as part of an air show routine. A witness, who was hired to professionally videotape the airshow and was familiar with the pilot's flight routine said, the initial takeoff roll and rotation were normal, but the airplane was slower than usual. When the pilot rolled inverted the pitch angle was higher than normal and the typical gain in airspeed did not occur. The airplane's right wing was low as pitch angle increased, and the elevator was in the full down position. The witness said it looked as if the airplane was in an "inverted stall situation." The airplane subsequently descended into the runway inverted and a post-impact fire ensued.
Probable Cause: The pilot's failure to obtain adequate airspeed while executing a low altitude aerobatic maneuver, which resulted in an aerodynamic stall while inverted. A factor was the low altitude.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20050725X01083&key=1


Revision history:

Date/timeContributorUpdates
28-Oct-2008 00:45 ASN archive Added
17-Mar-2011 12:34 TB Updated [Source, Damage]
18-Mar-2011 06:01 TB Updated [Source]
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
06-Dec-2017 10:42 ASN Update Bot Updated [Source, Narrative]

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