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Atlas / NTSB / MIA91LA215

NTSB CAROL · Event

Event MIA91LA215

1991-09-07 IMMOKALEE, Florida, United States None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

THE IMPROPER USE OF THE FLIGHT CONTROLS BY THE PILOT IN COMMAND, WHICH RESULTED IN A COLLISION WITH THE GROUND AND A NOSE OVER.

Factual narrative

THE PILOT STATED THAT AFTER INITIATING TAKEOFF HE NOTED THE ROTOR RPM DECREASING. HE STATED THAT HE ATTEMPTED TO INCREASE THE RPM BY APPLYING AFT CYCLIC CONTROL WHICH HAD NO EFFECT. THE HELICOPTER THEN SETTLED TO THE GRASS SKIDDED FORWARD AND NOSED OVER. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_MIA91LA215.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.