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July 2, 2019 · American Aviation AA5 A · N387G

Cheyenne, WY

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
July 2, 2019
Injury Outcomes
No injuries (2 uninjured)
Location
Cheyenne, WY
Aircraft
American Aviation AA5 A (1977)
Tail Number
N387G
Operator
Western Air Flight Academy
Injuries
None
Aircraft Damage
Substantial
NTSB Number
GAA19CA384

The pilot reported that, while en route, she diverted due to deteriorating weather at the intended destination. She added that, during landing, a second pilot in the right seat reported a right quartering crosswind and that, during the "transition to the roundout," she observed 65 knots on the airspeed gauge, she heard the stall warning horn, and the airplane developed a high sink rate. She attempted to go around, but the airplane landed hard and veered left. The airplane became airborne again, and the pilot attempted to regain the runway centerline, but the fuselage and wing struck objects on the left side of the runway. She decided a go-around was not possible, so she reduced power and landed the airplane in grass left of the runway. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. An automated weather observation station located about 3 miles west of the airport reported that, about 2 minutes before the accident, the wind was from 020° at 8 knots and that, about 32 minutes after the accident, the wind was from 020° at 9 knots. The pilot landed the airplane on runway 27.

NTSB 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 excursion, and collision with objects.

Full Narrative

The pilot reported that, while en route, she diverted due to deteriorating weather at the intended destination. She added that, during landing, a second pilot in the right seat reported a right quartering crosswind. During the "transition to the roundout," she observed 65 knots on the airspeed gauge, she heard the stall warning horn, and the airplane developed a high sink rate. She attempted to go around, but the airplane landed hard and veered to the left. The airplane became airborne again, the pilot attempted to regain runway centerline, but the fuselage and wing struck objects on the left side of the runway. She decided a go around was not possible, so she reduced power and landed the airplane in the grass to the left of the runway. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation station, located about 3 miles west of the airport, reported that, about 2 minutes before the accident, the wind was from 020° at 8 knots, 10 statute miles visibility, broken clouds at 7,500 ft, temperature 15°C, dew point 12°C, altimeter 30.24" Hg. The same automated station reported that, about 32 minutes after the accident, the wind was from 020° at 9 knots, 10 statute miles visibility, broken clouds at 2,100 ft, temperature 14°C, dew point 11°C, altimeter 30.25" Hg, remarks stated lightning distant northeast-east with clouds broken variable few. The pilot landed the airplane on runway 27.

Flight

Event TypeAccident
Event Time21:00 MDT
Nearest AirportCheyenne Rgnl/Jerry Olson Fiel (1nm E)
Runway27
Runway Length9270 ft
Runway Width150 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftAmerican Aviation AA5 A
Tail NumberN387G
Aircraft CategoryAir
DamageSubstantial
OperatorWestern Air Flight Academy
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-E2G · Reciprocating · 160
Seats4

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 43 · Second Class · None
Crew 2Age 38 · First Class · None

Conditions

ConditionsVMC
LightDusk
Wind20° @ 8 kt
Visibility10 sm
CeilingBroken clouds 7500 ft
Temperature / Dew Point59 / 54
Altimeter30.23 inHg
Observation Time03:58
Weather SourceWFAC

Appendix: Source Data