NTSB Identification: CHI91LA134A.
The docket is stored on NTSB microfiche number 43418.
Accident occurred Tuesday, April 16, 1991 in GRAND FORKS, ND
Probable Cause Approval Date: 03/24/1993
Aircraft: PIPER PA-28-161, registration: N143ND
Injuries: 2 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.

WHILE ENTERING THE AIRPORT TRAFFIC AREA, UNDER POSITIVE CONTROL, THE AIRCRAFT WAS STRUCK ON THE BOTTOM OF THE STABILIZER BY THE PROPELLER OF ANOTHER AIRCRAFT ALSO ENTERING THE PATTERN. THE AIRCRAFT PROCEEDED TO ENTER THE PATTERN, EXECUTE A TOUCH AND GO THEN LAND TO A FULL STOP. THE PILOT WAS UNAWARE OF THE DAMAGE AND THE NEXT USER OF THE AIRCRAFT FOUND THE DAMAGE ON THE PREFLIGHT INSPECTION. THE CONVERGING AIRCRAFT'S PROPELLER HAD MADE TWO SLASHED IN THE BOTTOM OF THE HORIZONTAL STABILATOR AND TRIM TAB.

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

INADEQUATE VISUAL OUTLOOK BY THE PILOT OF THE OTHER AIRCRAFT.

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