NTSB Identification: SEA91LA068.
The docket is stored on NTSB microfiche number 43264.
Accident occurred Saturday, March 16, 1991 in PULLMAN, WA
Probable Cause Approval Date: 05/05/1993
Aircraft: CESSNA 140, registration: N2455N
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

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.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

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

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