- Date
- September 26, 2001, 11:00 local (16:00 UTC)
- Place
- East Troy, WI
- Injuries
- 1 minor, 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N214WWRobinson R22 Beta
- Weather
- Visual (VMC) · Day
- Status
- Completed · report December 6, 2002
- Report
- Approved by Office Director
- Parties
- Federal Aviation Administration
- FAA report
- 20010926027039A
- Case key
- 53526
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The inadvertent dynamic rollover the student pilot encountered following his excessive control inputs during the takeoff portion of the instructional flight and the instructor not performing the remedial action necessary to reduce the excessive control inputs by the student.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The helicopter sustained substantial damage on impact with terrain when the helicopter rolled over during a takeoff portion of the instructional flight. The instructor was uninjured and the student pilot sustained minor injuries. The flight instructor stated, "The student and I were practicing vertical takeoffs and landings. We use a two stage TO [take off] and lift off. The student was light on the skids and was attempting to correct for left drift and applied right cyclic with excessive collective. In a matter of 2 sec[onds] helicopter was on its right side. We were practicing at the airport on the airport property. The instructor stated that there was no mechanical malfunction or failure.
Factual narrative
On September 26, 2001, about 1100, central daylight time, a Robinson R22 Beta, N214WW, piloted by a certified flight instructor, sustained substantial damage on impact with terrain when the helicopter rolled over during a takeoff at East Troy Municipal Airport (57C), near East Troy, Wisconsin. The instructional flight was operating under 14 CFR Part 91. Visual meteorological conditions prevailed at the time of the accident. The instructor pilot was uninjured and the student pilot sustained minor injuries. No flight plan was on file. The local flight was originating from 57C at the time of the accident.
The flight instructor stated:
The student and I were practicing vertical takeoffs and landings. We use a two stage TO
[take off] and lift off. The student was light on the skids and was attempting to correct for
left drift and applied right cyclic with excessive collective. In a matter of 2 sec[onds]
helicopter was on its right side. We were practicing at the airport on the airport property.
The instructor stated that there was no mechanical malfunction or failure.
Aircraft
- Registration
- N214WW
- Reported as
- Robinson R22 Beta
- Category
- Helicopter
- Serial number
- 2393
- Airframe hours
- 2,941.4
- Engine
- Lycoming O-320-B2C, 160 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Instructional · Part 91
- Operator
- WW Helicopters LLC
- Registered owner
- Lloyd Aviation Inc.
- Airworthiness certificate
- Standard, Normal
- Last inspection
- 100 hour · June 29, 2001 · 77 hours before
- Departed
- 57C · East Troy, WI
- Airport
- 57C · East Troy Muni
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew · 2
As NTSB recorded them. NTSB leaves out names.
- Role
- Flight instructor
- Age
- 47
- Injuries
- None
- Certificates
- Airline transport, Flight instructor
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane, Helicopter
- Medical
- Class 1, Valid Medical--w/ waivers/lim
- Last flight review
- July 12, 2001
- Seat
- Left
- Flight hours
- 100 total · 760 in this make and model · 10,000 as pilot in command
- Role
- Student pilot
- Age
- 44
- Injuries
- Minor
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Last flight review
- January 1, 2001
- Seat
- Right
- Flight hours
- 350 total · 4 in this make and model · 250 as pilot in command · 4 in the last 90 days · 4 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 300° at 11 knots, gusting 18
- Visibility
- 10 statute miles
- Lowest ceiling
- 12,000 ft broken
- Temperature
- 61 °F, dew point 45 °F
- Altimeter
- 29.96 inHg
- Observed at
- BUU, 7 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.