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Atlas / NTSB / CHI83IA103

NTSB CAROL · Event

Event CHI83IA103

1983-02-04 MILWAUKEE, Wisconsin, United States None 1 aircraft Status: Completed

Aircraft involved

Factual narrative

THE ACFT EXPERIENCED EXTREME OSCILLATIONS ABOUT THE PITCH AXIS WITH THE CONTROL COLUMN MOVING FORE & AFT FROM 1 TO 3 INCHES. THE OSCILLATIONS VARIED DIRECTLY WITH AIRSPEED. NO OUT OF LIMIT CONDITIONS WERE FOUND UNTIL AFTER A SECOND OCCURRENCE WHEN THE ELEVATOR TRIM TAB HINGE WAS REPLACED DUE TO WEAR AND A MEASURED PLAY OF 5/32 OF AN INCH. NO FURTHER OSCILLATIONS WERE EXPERIENCED. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1983_CHI83IA103.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.