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Atlas / NTSB / CHI91LA134

NTSB CAROL · Event

Event CHI91LA134

1991-04-16 GRAND FORKS, North Dakota, United States None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

INADEQUATE VISUAL OUTLOOK BY THE PILOT OF THE OTHER AIRCRAFT.

Factual narrative

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. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_CHI91LA134.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.