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ASN Wikibase Occurrence # 38883
Last updated: 11 October 2020
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Date:01-SEP-1999
Time:08:25
Type:Silhouette image of generic P28A model; specific model in this crash may look slightly different
Piper PA-28-181
Owner/operator:Aerolease Company
Registration: N4366D
C/n / msn: 28-8490088
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Villa Grove, CO -   United States of America
Phase: Unknown
Nature:Training
Departure airport:Colo. Springs, CO (COS)
Destination airport:Salida, CO (0V2)
Investigating agency: NTSB
Narrative:
An FBI pilot, along with two other special agents in separate airplanes, was receiving agency-sponsored mountain flying instruction. His instructor announced that they were going to practice box canyon turnarounds. Shortly thereafter, white smoke was seen coming from the side of the mountain. Evidence indicates the airplane struck tree tops while in a steep left descending turn in what was described as an extremely tight box canyon.

Probable Cause: The flight instructor's improper inflight decision to enter a narrow blind/box canyon, and his misjudgment of the vertical and lateral clearances. A factor was the downdrafts.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X19735&key=1


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
14-Dec-2017 09:25 ASN Update Bot Updated [Operator, Source, Narrative]

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