# Accident 20210918015899A: Cessna 404, Sheridan, WY, September 18, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 18, 2021, 07:40 local time
- Place: Sheridan, WY
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: Air taxi and commuter (Part 135)
- Operator: HTKA
- Location: 44.7745° N, 106.9877° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=44.7745&lon=-106.9877&mi=10
- Aircraft: N5409G, registered now (https://openairdocs.org/aircraft/N5409G) (OpenAirDocs)
- Registry model: Cessna 404 (registry code 2075901, https://openairdocs.org/model/cessna-404) (OpenAirDocs)
- Registry engine: Continental TSIO-520 series (registry code 17040, https://openairdocs.org/engine/continental-tsio-520-series) (OpenAirDocs)
- Reported make and model: CESSNA 404
- Reported engine: CONT MOTOR TSIO-520 SER
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport
- Pilot flight hours: 12,850 total, 3,500 in this make and model, 50 in the last 90 days
- NTSB investigation: [NTSB WPR21LA350](https://openairdocs.org/ntsb/WPR21LA350) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20210918015899A

## Narrative

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

AT 0740 ON SEPT. 18, 2021 THE AIRMAN LOST CONSCIOUSNESS UPON LANDING AT THE SHERIDAN, WY (SHR) AIRPORT.

THE AIRCRAFT, A CESSNA 404 REGISTERED AS N5409G WENT OFF THE RUNWAY AND THE PILOT'S STATEMENT INDICATES HE DOES NOT REMEMBER ANYTHING FROM SHORT FINAL TO WAKING UP LOOKING AT GRASS. NO INJURY TO AIRMAN. AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. THE LANDING GEAR DEPARTED THE AIRCRAFT AND THE AIRCRAFT SKIDDED ON THE BELLY INTO THE SAFETY AREA ABEAM THE RUNWAY. THE PROPELLERS WERE BENT, AND THE ENGINE COWLING SUSTAINED DAMAGE. THE FLAPS WERE DAMAGED DUE TO CONTACT WITH THE GROUND.

AIRMAN SELF-GROUNDED AFTER ACCIDENT AND IS WORKING WITH CAMI ON GETTING HIS MEDICAL BACK.

## 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 WPR21LA350](https://openairdocs.org/ntsb/WPR21LA350), Sep 18, 2021: Cessna 404 (N5409G), Sheridan, WY, substantial damage. Probable cause: The pilot experiencing an episode of impaired behavior and incapacitation for reasons that could not be determined based on the available information.

## Other reports on N5409G (7)

Matched to the same aircraft by N-number and date.

- [Incident 19970324010389I](https://openairdocs.org/incident/19970324010389I), Mar 24, 1997: Cessna 404CESSNA (N5409G), Syracuse, NY. Narrative: on Monday, March 24, 1997, a Cessna 404, N5409G, during climb and passing 4500 feet, the pilot felt a vibration and noticed left RPM as "zero". The…
- [Incident 19951121041129I](https://openairdocs.org/incident/19951121041129I), Nov 21, 1995: Cessna 404CESSNA (N5409G), Syracuse, NY. Narrative: on November 21, 1995, Cessna 404 N5409G, operated by business air freight, part 135 operator, during a repositioning flight, experienced a rough…
- [Incident 19921230054419I](https://openairdocs.org/incident/19921230054419I), Dec 30, 1992: Cessna 404CESSNA (N5409G), Syracuse, NY, Minor damage. Left wing tip and aileron damage while taxiing to cargo ramp. Aircraft appeared to sustain damage from prop strike.
- [Incident 19890511029119I](https://openairdocs.org/incident/19890511029119I), May 11, 1989: Cessna 404CESSNA (N5409G), Albany, NY. Hydraulic flow lights on. Vectored to landing. Blew gear down. Line was split at a bend due to metal fatigue.
- [Incident 19861113066979I](https://openairdocs.org/incident/19861113066979I), Nov 13, 1986: Cessna 404CESSNA (N5409G), Rochester, NY. During cruise, throttle stuck full open. Engine was shut down on final. Maintenance thawed out throttle control.
- [Incident 19831019069689I](https://openairdocs.org/incident/19831019069689I), Oct 19, 1983: Cessna 404CESSNA (N5409G), Rochester, NY, Minor damage. Bird strike in VFR conditions on descent for landing. Impact damaged radar dome.
- [Incident 19811002079889I](https://openairdocs.org/incident/19811002079889I), Oct 2, 1981: Cessna 404CESSNA (N5409G), Rochester, NY. Pilot shut down right engine. Found metal in oil screen. Engine changed. Report to follow if appropriate.

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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