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ERA11CA505

2011-09-27 · Clearwater, Florida, United States · Minor · 1 aircraft · Status: Completed

Airport PIE

Aircraft involved

Probable cause & findings

The certified flight instructor's delayed remedial action, which resulted in a loss of control and subsequent rollover.

Factual narrative

The certified flight instructor (CFI) stated that she had relocated the helicopter from a dolly to the taxiway in order for the student to conduct the takeoff from the taxiway. The student pilot took control of the helicopter and lifted the collective, and the helicopter began to roll to the right. The CFI stated that she lowered the collective and applied left cyclic, but the helicopter continued to roll to the right. The helicopter came to rest on its right side and sustained substantial damage to the tail boom. The CFI reported there were no mechanical malfunctions or anomalies with the helicopter. The certified flight instructor (CFI) stated that she had relocated the helicopter from a dolly to the taxiway in order for the student to conduct the takeoff from the taxiway. The student pilot took control of the helicopter and lifted the collective, and the helicopter began to roll to the right. The CFI stated that she lowered the collective and applied left cyclic, but the helicopter continued to roll to the right. The helicopter came to rest on its right side and sustained substantial damage to the tailboom. The CFI reported there were no mechanical malfunctions or anomalies with the helicopter. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

FAA avdata. C = Cause, F = Factor.

  • C Personnel issues-Action/decision-Action-Delayed action-Instructor/check pilot - C

Verbatim from NTSB's published report. Source file NTSB_2011_ERA11CA505.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Search this event elsewhere

External sources are reported, not agency: signal that something happened, not fact about what happened.

Related research

Matched on aircraft type or causal vocabulary (loss of control). All research papers