CEN10CA156

NTSB accident investigation · Robinson Helicopter R22 Beta · Houston, TX · March 13, 2010

Accident · No injuriesData collectionFinal report
Date
March 13, 2010, 08:45 local (14:45 UTC)
Place
Houston, TX
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N822SHRobinson Helicopter R22 Beta
Defining event
Takeoff: Dynamic rollover
Weather
Visual (VMC) · Day
Status
Completed · report July 1, 2010
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA FSDO
FAA report
20100313029099A
Case key
75491

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 student pilot's loss of directional control during takeoff, resulting in a dynamic rollover of the helicopter.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Personnel issuesPersonnel issues › Task performance · Student/instructed pilotRobinson Helicopter R22 BETA: 1 caseAll aircraft: 137 casesProbable cause
Runway/land/takeoff/taxi surfaceEnvironmental issues › Physical environment · Contributed to outcomeRobinson Helicopter R22 BETA: 3 casesAll aircraft: 253 cases

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The student helicopter pilot was preparing for his fourth scheduled solo flight, intending to depart on a local flight. The student reported that as he started to raise the helicopter’s collective, the helicopter started to slide to the right. He added that he stopped moving the collective and applied left cyclic, and the helicopter stopped moving. He then continued to raise the collective to begin his hover. The helicopter rolled-over to the right, and impacted the ground. The flight instructor who was watching the student reported that he saw the helicopter move to the right about a foot, stop, and then, as the helicopter started to lift, it instantaneously rolled to the right and struck the ground. After the accident, both the instructor and student stated that it appeared the helicopter’s skid may have gotten caught in a crack on the ramp’s cement surface.

Factual narrative

The student helicopter pilot was preparing for his fourth scheduled solo flight, intending to depart on a local flight. The student reported that as he started to raise the helicopter’s collective, the helicopter started to slide to the right. He added that he stopped moving the collective and applied left cyclic, and the helicopter stopped moving. He then continued to raise the collective to begin his hover. The helicopter rolled-over to the right, and impacted the ground. The flight instructor who was watching the student, reported that he saw the helicopter move to the right about a foot, stop, and then as the helicopter started to lift, it “instantaneously, rolled to the right and struck the ground." After the accident, both the instructor and student stated that it appeared the helicopter’s skid may have gotten caught in a crack on the ramp’s cement surface.

Aircraft

Registration
N822SH
Reported as
Robinson Helicopter R22 Beta
Category
Helicopter
Serial number
3775
Engine
Lycoming O-360 SERIES, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Rotor Envy Helicopters
Registered owner
Nielsen Aircraft Corp
Airworthiness certificate
Standard, Normal
Departed
KEFD · Houston, TX
Destination
KEFD · Houston, TX
Flight plan
Unknown
Airport
KEFD · Ellington Field Airport

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

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
48
Injuries
None
Certificates
Commercial, Flight instructor, Student
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Without waivers/limitations
Seat
Right
Flight hours
999 total · 4 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
330° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
57 °F, dew point 37 °F
Altimeter
29.92 inHg

Docket · 2

The files NTSB released with the investigation on April 8, 2010, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.8 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.