NTSB Identification: CHI92LA036B.
The docket is stored on NTSB microfiche number 45035.
Accident occurred Sunday, December 01, 1991 in LAKEVILLE, MN
Probable Cause Approval Date: 01/22/1993
Aircraft: CESSNA 177RG, registration: N52762
Injuries: 1 Minor,5 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 A HIGH WING, SINGLE ENGINE AIRPLANE WAS FLYING A PUBLISHED ILS APPROACH AS GUIDANCE TO A RUNWAY HE INTENDED TO LAND ON. THE PILOT STATED THAT HE ANNOUNCED HIS POSITION THREE TIMES DURING THE APPROACH. THE PILOT STATED THAT HE HEARD THE PILOT OF ANOTHER AIRPLANE ANNOUNCE HIS POSITION ON BASE LEG FOR THE SAME RUNWAY HE WAS INTENDING TO LAND ON. HE STATED THAT HE COULD NOT SEE THE OTHER AIRPLANE AND DID NOT ASK THE PILOT OF THAT AIRPLANE TO RE-STATE HIS POSITION. HE CONTINUED INBOUND AND, DURING THE FLARE FOR LANDING, A LOW WING AIRPLANE LANDED ON TOP OF HIS AIRPLANE. AN ON-SCENE INVESTIGATION REVEALED THAT BOTH AIRPLANES WERE WHITE IN OVERALL COLOR WITH DARK TRIM. THE TERRAIN BOTH AIRPLANES WERE OPERATING OVER WAS SNOW COVERED.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: THE FAILURE OF BOTH PILOTS TO MAINTAIN VISUAL SEPARATION FROM EACH OTHER. CONTRIBUTING FACTORS TO THIS ACCIDENT WERE AN INADEQUATE VISUAL LOOKOUT BY BOTH PILOTS AND THE PILOT-IN-COMMAND'S FAILURE TO FOLLOW PROCEDURES AND DIRECTIVES.
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