CHI07CA077
2007-02-26 · Melbourne, Florida, United States · None · 1 aircraft · Status: Completed
Airport MLB
Aircraft involved
Probable cause & findings
The flight instructor's inadequate remedial action following a loss of control in flight. A factor to the accident is that the dual student did not maintain directional control of the helicopter while manuevering, which subsequently caused the instructor to lose control of the helicopter.
Factual narrative
The helicopter spun to the left 2 to 2.5 times during lift off, contacted the ground in a level attitude then spun about 180 degrees causing damage to one of the skids and the tailboom. The instructor reported that he let the student have as much control during lift off that he, the instructor, was comfortable allowing. The instructor reported that he told the student to "raise the collective slowly and correct for any movement." The instructor stated that while lifting off, the helicopter "started to spin to the left. I think I over reacted to the controls, then over corrected." The instructor reported the helicopter spun rapidly two and a half full turns before contact with the ground. The instructor stated that upon contact with the ground "he had all of the controls." The instructor reported the helicopter spun again, about 180-270 degrees, before coming to a rest. The helicopter spun to the left 2 to 2.5 times during liftoff, contacted the ground in a level attitude then spun about 180 degrees causing damage to one of the skids and the tailboom. The instructor reported that he let the student have as much control during liftoff that he, the instructor, was comfortable allowing. The instructor reported that he told the student to "raise the collective slowly and correct for any movement." The instructor stated that while lifting off, the helicopter "started to spin to the left. I think I over reacted to the controls, then over corrected." The instructor reported the helicopter spun rapidly two and a half full turns before contact with the ground. The instructor stated that upon contact with the ground "he had all of the controls." The instructor reported the helicopter spun again, about 180-270 degrees, before coming to a rest. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2007_CHI07CA077.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (loss of control). All research papers
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- Semantic Scholar 2024 · Article (International Conference on Networking and Services) Risk Assessment of Loss of Control In-Flight Trajectories for Urban Air Mobility Safety
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- Semantic Scholar 2021 · Article (Aviation) ANALYSIS OF GENERAL AVIATION FIXED-WING AIRCRAFT ACCIDENTS INVOLVING INFLIGHT LOSS OF CONTROL USING A STATE-BASED APPROACH
Inflight loss of control (LOC-I) is a significant cause of General Aviation (GA) fixed-wing aircraft accidents. The United States National Transportation Safety Board’s database provides a rich source…
- NASA NTRS 2021 · Presentation Use of Design of Experiments in Determining Neural Network Architectures for Loss of Control Detection
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