ASN Wikibase Occurrence # 279948
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| Date: | Friday 1 July 2022 |
| Time: | 12:25 |
| Type: |  Cub Crafters CC18-180 Top Cub |
| Owner/operator: | Akima Logistics Services LLC |
| Registration: | N469AK |
| MSN: | CC18-0088 |
| Year of manufacture: | 2018 |
| Total airframe hrs: | 1934 hours |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | USAF Academy Airport (AFF/KAFF), Colorado Springs, CO -
 United States of America
|
| Phase: | Approach |
| Nature: | Banner and glider towing |
| Departure airport: | Colorado Springs-USAF Academy Airport, CO (AFF/KAFF) |
| Colorado Springs-USAF Academy Airport, CO (AFF/KAFF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
On July 1, 2022, about 1225 mountain daylight time, a Cub Crafters CC18-180 airplane, N469AK, sustained substantial damage when it was involved in an accident at the U.S. Air Force Academy, Colorado. The pilot sustained minor injury. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 glider tow flight.
The glider tow pilot had completed one flight and was returning to the airport following the second tow of the day. The pilot reported that, during the approach, he encountered a meteorological effect and the airplane drifted to the left and the pilot decided to initiate a goaround. As the airplane was accelerating during the go-around, it started “turning/yawing” even though the pilot was trying to accelerate straight and level. The pilot surmised this was from the same meteorological effect that initially pushed the airplane left. The pilot noticed that the airplane seemed to yaw to the right, the airplane began descending, touched down, and came to rest inverted in a grass field, resulting in substantial damage to both wings and the empennage.
The pilot admitted to first responders that he had consumed alcohol earlier that morning. The pilot was evaluated at a hospital, where he was diagnosed with alcohol intoxication based on a serum ethanol test result of 0.079 g/dL collected about one hour after the accident.
It is likely that the pilot was experiencing impairing effects of ethanol at the time of the accident. It is unknown whether ethanol’s impairing effects were worsened by altitude effects (the field elevation of the airport was about 6,500 ft above mean sea level); however, it is likely that ethanol effects increased the pilot’s risk of making serious errors and diminished his ability to effectively maintain airplane control. Thus, pilot impairment from effects of alcohol consumption likely contributed to the accident.
Probable Cause: The pilot’s failure to maintain airplane control during the go-around, which resulted in impact with terrain. Contributing to the accident was the pilot’s impairment from the effects of alcohol consumption.
Accident investigation:
 |
|
Sources:
NTSB
https://data.ntsb.gov/Docket?ProjectID=105408
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=469AK
https://flightaware.com/live/flight/N469AK
https://globe.adsbexchange.com/?icao=a5bb14&lat=38.971&lon=-104.848&zoom=14.0&showTrace=2022-07-01&leg=8
Location
Images:
Photo: NTSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Jul-2022 18:16 | Captain Adam | Added |
| 03-Jul-2022 00:20 | johnwg | Updated [Time, Location, Phase, Nature, Source, Narrative, Category] |
| 13-Jul-2022 12:16 | Captain Adam | Updated [Time, Operator, Total occupants, Location, Phase, Nature, Source, Narrative, Category] |
| 29-Nov-2023 20:22 | Captain Adam | Updated [Location, Phase, Source, Narrative, Category, Accident report, Photo] |
Corrections or additions? ... Edit this accident description
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