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CHI91LA113

1991-03-24 · AUGUSTA, Kansas, United States · None · 1 aircraft · Status: Completed

Airport 3AU

N2503A has since been reassigned. It is now registered to a different aircraft (CESSNA 172D), which was not involved in this event.

Aircraft involved

Probable cause & findings

AN IMPROPER AUTOROTATION WAS PERFORMED BY THE DUAL STUDENT AND REMEDIAL ACTION WAS DELAYED BY THE CFI. FACTORS RELATED TO THE ACCIDENT WERE: INADEQUATE AIRSPEED AND ROTOR RPM.

Factual narrative

THE INSTRUCTOR PLT SAID THAT WHILE TEACHING AND PRACTICING STRAIGHT AHEAD AUTOROTATION LANDING, ROTOR RPM AND AIRSPEED DECAYED AND BEFORE CORRECTIVE ACTION WAS TAKEN THE HELICOPTER LANDED HARD WHICH RESULTED IN THE MAIN ROTOR FLEXING DOWNWARD AND SEVERING THE TAIL BOOM. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_CHI91LA113.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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Related research

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