# Accident 20180813014199A: Cessna 172N, Caribou County, ID, August 13, 2018

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 13, 2018, 09:08 local time
- Place: Caribou County, ID
- Airport: Afton Municipal
- Damage: Destroyed
- Phase of flight: Maneuver
- Operating rules: General operating rules (Part 91)
- Location: 42.7202° N, 110.9326° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=42.7202&lon=-110.9326&mi=10
- Aircraft: N5660J, a cancelled registration (https://openairdocs.org/deregistered/N5660J-2019-02-12) (OpenAirDocs)
- Registry model: Cessna 172N (registry code 2072434, https://openairdocs.org/model/cessna-172n) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Reported engine: LYCOMING 0-320 SERIES
- People aboard: 3
- Fatal injuries: 0
- Other injuries: 3
- Pilot certificates: Airline transport, commercial pilot, flight instructor
- Pilot flight hours: 17,400 total, 3,000 in this make and model, 110 in the last 90 days
- NTSB investigation: [NTSB WPR18LA241](https://openairdocs.org/ntsb/WPR18LA241) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20180813014199A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PILOT TOOK A STUDENT OUT THAT SAME MORNING TO THE SAME MOUNTAINOUS AREA AND ENCOUNTERED SMOOTH, CALM AIR. HE LANDED AND IMMEDIATELY LOADED TWO PASSENGERS TO DO AERIAL OBSERVATION OF THE SAME AREA. ONCE THEY ARRIVED IN THE CANYON THEY ENCOUNTERED SOME WINDY CONDITIONS WITH DOWNDRAFTS. THE PILOT MADE A TURN TOWARDS A GROUND MARKER THAT THE PASSENGER REQUESTED AND FELT A DOWNDRAFT. HE IMMEDIATELY BANKED LEFT TO EXIT THE CANYON AND FELT A STRONGER DOWNDRAFT. HE HELD VY AND HEARD THE STALL HORN SOUND. THIS IS ALL HE REMEMBERS BASED ON HIS CONCUSSION UPON IMPACT WITH THE GROUND.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR18LA241](https://openairdocs.org/ntsb/WPR18LA241), Aug 13, 2018: Cessna 172 (N5660J), Afton, WY, substantial damage. Probable cause: The pilot’s failure to maintain terrain clearance after an encounter with a downdraft while maneuvering in a valley with a high-density altitude, which resulted in impact with trees and terrain.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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