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ASN Wikibase Occurrence # 233313
Last updated: 9 August 2020
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Date:27-FEB-2020
Time:09:15
Type:Silhouette image of generic C172 model; specific model in this crash may look slightly different
Cessna 172L Skyhawk
Owner/operator:Private
Registration: N7904G
C/n / msn: 17259604
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Dubois Municipal Airport (U41), Clark County, ID -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Training
Departure airport:Rexburg Madison County Airport, ID (RXE/KRXE)
Destination airport:Rexburg Madison County Airport, ID (RXE/KRXE)
Investigating agency: NTSB
Narrative:
The flight instructor reported that, during the instructional flight, the student was making a low pass over the snow-covered runway when the airplane encountered a downdraft that decreased the airspeed and increased the descent rate. The instructor reported that he was too relaxed and should have added power at that moment but didn't. The wheels contacted the snow, and the airplane nosed over and came to rest inverted. The airplane sustained substantial damage to the wings. The instructor reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Probable Cause: The student pilot's failure to maintain a proper airspeed and descent rate while conducting a low pass over a snow-covered runway after encountering a downdraft and the flight instructor's delayed action, which resulted in the wheels contacting the snow and the airplane nosing over. 

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20200227X73721&key=1
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N7904G

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration: 5 months
Download report: Final report


Images:


Photo: FAA

Revision history:

Date/timeContributorUpdates
28-Feb-2020 11:26 Captain Adam Added
28-Feb-2020 20:22 Captain Adam Updated [Time, Location, Phase, Departure airport, Destination airport, Damage, Narrative]
11-Mar-2020 04:19 Geno Updated [Source]
09-Aug-2020 09:54 harro Updated [Departure airport, Destination airport, Source, Narrative, Photo, Accident report, ]

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