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ASN Wikibase Occurrence # 43706
 
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Date:18-AUG-2007
Time:15:30
Type:Silhouette image of generic EXEC model; specific model in this crash may look slightly different
RotorWay Exec 162F
Owner/operator:Private
Registration: N428JT
MSN: 6160
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Winamac, IN -   United States of America
Phase: En route
Nature:Private
Departure airport:Winamac, IN (RWN)
Destination airport:Unknown,
Investigating agency: NTSB
Narrative:
The experimental amateur-built rotorcraft impacted terrain during cruise flight following the in-flight separation of the vertical stabilizer, which resulted in damage to the tail rotor. The rotorcraft was registered to and built by the pilot. The pilot did not hold a rotorcraft rating and received a 90-day solo endorsement to pilot the rotorcraft approximately 10 months before the accident. Examination of the vertical stabilizer revealed fatigue fracture of the vertical stabilizer bracket originating from hole burrs. The airplane construction manual states, "It is good practice to remove all sharp edges when working with sheet metal. Various types of deburring tools are available, or use a file or sandpaper."
Probable Cause: The inadequate installation of the horizontal stabilizer bracket by the pilot, the fatigue fracture seperation of vertical stabilizer bracket during cruise flight, and the aircraft control not possible by the pilot.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20070820X01211&key=1


Revision history:

Date/timeContributorUpdates
28-Oct-2008 00:45 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
04-Dec-2017 18:48 ASN Update Bot Updated [Operator, Other fatalities, Destination airport, Source, Narrative]

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