Accident Cessna 140 N2455N, Saturday 16 March 1991

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Date:	Saturday 16 March 1991
Time:	17:53 LT
Type:	Cessna 140
Owner/operator:	Private
Registration:	N2455N
MSN:	12708
Engine model:	Continental C-85-12
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Pullman, WA - United States of America
Phase:	Approach
Nature:	Private
Departure airport:	Rosalia, WA (72S)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PILOT OF THE CESSNA 140 STATED THAT HE ENCOUNTERED WAKE TURBULENCE ON SHORT FINAL. THE AIRCRAFT ROLLED TO THE RIGHT. HE ATTEMPTED A RECOVERY, BUT THE AIRCRAFT SUSTAINED A HARD LANDING, COLLAPSING THE RIGHT MAIN LANDING GEAR, RESULTING IN A GROUND-LOOP TO THE RIGHT. A SWEARINGEN COMMUTER AIRCRAFT HAD LANDED ON THE RUNWAY A FEW MINUTES EARLIER.

Probable Cause: THE PILOT'S ENCOUNTER WITH WAKE TURBULENCE SHORTLY BEFORE TOUCHDOWN, RESULTING IN A HARD LANDING.

Accident investigation: