ASN Wikibase Occurrence # 171983
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| Date: | Friday 5 December 2014 |
| Time: | 14:28 |
| Type: |  Cirrus SR20 G2 |
| Owner/operator: | Cirrus Llc |
| Registration: | N407ND |
| MSN: | 1598 |
| Year of manufacture: | 2005 |
| Total airframe hrs: | 3740 hours |
| Engine model: | Continental IO-360 SER |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fort Collins-Loveland Municipal Airport (KFNL), Fort Collins/Loveland, -
 United States of America
|
| Phase: | Approach |
| Nature: | Training |
| Departure airport: | Fort Collins, CO (FNL) |
| 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 Airman’s 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 pilot’s 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:
 |
|
Sources:
NTSB
https://flightaware.com/resources/registration/N407ND
Location
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 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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