# Accident 20190701008769A: Grumman American Avn. Corp. AA-5A, Cheyenne, WY, July 1, 2019

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 1, 2019, 21:00 local time
- Place: Cheyenne, WY
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 41.1550° N, 104.7956° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.1550&lon=-104.7956&mi=10
- Aircraft: N387G, a cancelled registration (https://openairdocs.org/deregistered/N387G-2020-01-03) (OpenAirDocs)
- Registry model: Grumman American Avn. AA-5A (registry code 3960106, https://openairdocs.org/model/grumman-american-avn-aa-5a) (OpenAirDocs)
- Registry engine: Lycoming O-320-E2G (registry code 42125, https://openairdocs.org/engine/lycoming-o-320-e2g) (OpenAirDocs)
- Reported make and model: GRUMMAN AMERICAN AVN. CORP. AA-5A
- Reported engine: LYCOMING O-320-E2G
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 965 total
- NTSB investigation: [NTSB GAA19CA384](https://openairdocs.org/ntsb/GAA19CA384) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20190701008769A

## Narrative

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

ON MONDAY, JULY 01, 2019, N387G, A GRUMMAN AA-5A CHEETAH, OPERATED BY A COMMERCIAL RATED PILOT WITH A COMMERCIAL RATED PILOT AS A PASSENGER, WAS EN ROUTE TO ROCKY MOUNTAIN METROPOLITAN AIRPORT (KBJC) FROM CASPER, WY (KCPR). MONITORING THE SEVERE WEATHER CONDITIONS AT KBJC IN FLIGHT, THEY DECIDED TO DIVERT TO CHEYENNE, WY (KCYS).

APPROXIMATELY 2100 MDT IN NIGHT VMC CONDITIONS, N387G WAS ON FINAL FOR RUNWAY 27 AT KCYS. THE PILOT-IN-COMMAND (PIC) AND PASSENGER REPORTED DURING THE TRANSITION TO THE ROUNDOUT, SHE SAW A NOSE LEVEL ATTITUDE AND 65 KIAS ON THE AIRSPEED GAUGE. THEN THE STALL HORN SOUNDED, THE AIRCRAFT RAPIDLY DESCENDED AND DEVELOPED A HIGH SINK RATE. THE PIC EXECUTED A GO-AROUND PROCEDURE BUT AIRCRAFT IMPACTED THE RUNWAY FLAT, THE NOSE VEERED LEFT AND THE AIRCRAFT WAS AIRBORNE AGAIN. THE PIC ATTEMPTED TO REGAIN RUNWAY CENTERLINE AND THE AIRCRAFT STRUCK OBSTACLES LEFT OF THE RUNWAY IMPACTING THE WING AND THE BOTTOM OF THE FUSELAGE. WHEN A GO-AROUND WAS NOT POSSIBLE DUE THE AIRCRAFT?S INABILITY TO CLIMB, THE PIC REDUCED POWER AND LANDED THE AIRCRAFT IN A GRASSY AREA TO THE LEFT OF RUNWAY 27 AND SHORT OF A TAXIWAY.

IMPACT WITH THE OBSTACLE RESULTED IN DAMAGE TO THE BOTTOM OF THE FUSELAGE, DAMAGE TO THE LEFT HAND WING, INCLUDING THE LEFT HAND FLAP BEING BENT UPWARD CREATING AN ASYMMETRICAL FLAPS, AND DAMAGE TO THE LEFT HAND HORIZONTAL STABILIZER AND LEFT HAND ELEVATOR.

## 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 GAA19CA384](https://openairdocs.org/ntsb/GAA19CA384), Jul 2, 2019: American AA5 (N387G), Cheyenne, WY, substantial damage. Probable cause: The pilot's failure to maintain a proper descent rate and landing flare during landing with a tailwind, which resulted in a hard landing and a subsequent loss of directional control, runway…

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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