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ASN Wikibase Occurrence # 178195
Last updated: 7 October 2020
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Type:Silhouette image of generic FOX model; specific model in this crash may look slightly different
SkyStar Kitfox Series 7
Registration: N1852N
C/n / msn: S60111-074
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:Caldwell, ID -   United States of America
Phase: Landing
Departure airport:Caldwell, ID (EUL)
Destination airport:
Investigating agency: NTSB
The pilot reported that he accomplished his normal run-up and control checks prior to takeoff. The pilot stated that as the aircraft was accelerating during the takeoff ground roll, he suddenly could not feel the usual back-pressure on the elevator control. The pilot checked the manual trim and confirmed that it was in the takeoff position and as he was about to reduce power to abort the takeoff, the "...plane catapulted up in the air at a high angle of attack, without pitch control input from me." The pilot stated that he immediately put the manual pitch trim control in a nose-down range and the airplane responded "violently." The pilot continued to manipulate the elevator trim as the aircraft oscillated three to four times before gradually attaining a more level attitude. The aircraft landed hard and flat on the remaining runway, subsequently breaking the nose gear wheel, and damaging the propeller and main gear. Further damage included buckled floor boards and structural damage to the fuselage. Post-accident inspection of the airplane found that the connecting bolt between the pitch control assembly and the pitch rod (to the elevator) had come off. The bolt was located, however, the self-locking castle nut with a nylon insert which the pilot stated that he used to secure the bolt was not located.
Probable Cause: The disconnection of the elevator pitch control assembly and the pitch rod during the takeoff as a result of an unsecured bolt.



Revision history:

01-Aug-2015 15:52 Noro Added
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
07-Dec-2017 18:03 ASN Update Bot Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative]

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