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ASN Wikibase Occurrence # 171983
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Type:Silhouette image of generic SR20 model; specific model in this crash may look slightly different
Cirrus SR20 G2
Owner/operator:Cirrus Llc
Registration: N407ND
MSN: 1598
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Location:Fort Collins-Loveland Municipal Airport (KFNL), Fort Collins/Loveland, -   United States of America
Phase: Approach
Departure airport:Fort Collins, CO (FNL)
Destination airport:Fort Collins, CO (FNL)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The student pilot was conducting a solo flight in a Cirrus SR20 airplane at an uncontrolled airport. An airport video showed the student attempting to land on a runway about 30 seconds after the departure of a Sikorsky UH-60 helicopter. The student pilot reported that he was aware of the helicopter and that he attempted to land long. However, just before touchdown, the airplane encountered the wake turbulence of the helicopter and then entered an uncommanded steep left bank. The student attempted to counter the left bank and go around, but he was unable to maintain airplane control. The airplane subsequently impacted left of the runway and cartwheeled.
Current Federal Aviation Administration pilot guidance, including the Airmanís Information Manual and an advisory circular on aircraft wake turbulence, does not recommend separation criteria for a small airplane following a helicopter. It is likely that the student pilot did not comprehend the significance of the wake turbulence that the helicopter would generate during departure.

Probable Cause: The student pilotís failure to comprehend the significance of the wake turbulence that a preceding helicopter would generate during departure, which resulted in a loss of airplane control during landing. Contributing to the accident was the lack of Federal Aviation Administration wake turbulence separation criteria for a small airplane following a helicopter.



Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Download report: Final report


Revision history:

05-Dec-2014 23:44 Geno Added
05-Dec-2014 23:57 Geno Updated [Time, Source]
30-Dec-2014 02:29 Geno Updated [Time, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative]
14-Feb-2015 16:08 harro Updated [Operator, Embed code, Narrative]
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
30-Nov-2017 19:43 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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