NTSB CAROL · Event
Event CHI87LA150
Aircraft involved
Factual narrative
WHILE THE STUDENT & INSTRUCTOR (CFI) WERE ON AN INSTRUCTIONAL FLT, A DECISION WAS MADE TO PRACTICE AN AUTOROTATION & SIMULATED TAIL ROTOR FAILURE. RPRTDLY, A SMOOTH TOUCHDOWN WAS MADE, BUT THE HELICOPTER BEGAN TO VIBRATE. THE CFI ELECTEDTO GET THE HELICOPTER AIRBORNE AGAIN, BUT STATED THAT THERE WAS INSUFFICIENT RPM TO MAINTAIN FLT. SUBSEQUENTLY, THE HELICOPTER MADE TWO 360 DEG TURNS TO THE RGT & CONTACTED THE GROUND. NO PREIMPACT FAILURE OR MALFUNCTION OF THE HELICOPTER WAS RPRTD. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1987_CHI87LA150.txt.
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