CEN14CA017

NTSB accident investigation · Robinson R22 - Beta · Chicago, IL · October 2, 2013

Accident · No injuriesData collectionFinal report
Date
October 2, 2013, 17:15 local (22:15 UTC)
Place
Chicago, IL
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N554SARobinson R22 - Beta
Defining event
Maneuvering-hover: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report February 4, 2014
Report
Approved by Office Director
NTSB office
Central Region
FAA report
20131002019369A
Case key
88293

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The flight instructor's failure to take remedial action in a timely manner.

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.

Action: lack of actionPersonnel issues › Action/decision · Instructor/check pilotRobinson Helicopter R22 BETA: 16 casesAll aircraft: 792 casesProbable cause
Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Not attained/maintainedRobinson Helicopter R22 BETA: 25 casesAll aircraft: 1,310 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 pilot stated they had been practicing hovering for about 30 minutes, and were about two feet above the ground. He recalled that he was "controlling the cyclic and maybe the collective, but not the pedals." The flight instructor thought they were three to five feet above the ground. The helicopter experienced a pendular motion and began traveling backwards and to the right. The right skid made contact with the ground, which resulted in the tail impacting the ground and the helicopter rolling onto its side. The helicopter sustained substantial damage to the tail rotor.

Factual narrative

The student pilot stated they had been practicing hovering for about 30 minutes, and were about two feet above the ground. He recalled that he was "controlling the cyclic and maybe the collective, but not the pedals." The flight instructor thought they were three to five feet above the ground. The helicopter experienced a pendular motion and began traveling backwards and to the right. The right skid made contact with the ground, which resulted in the tail impacting the ground and the helicopter rolling onto its side. The helicopter sustained substantial damage to the tail rotor.

Aircraft

Registration
N554SA
Reported as
Robinson R22 - Beta (BETA)
Category
Helicopter
Serial number
1618
Built
1990
Engine
Cont Motor TSIO-520 SER, unknown
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Sun Aero Helicopters INC
Registered owner
Sun Aero Helicopters INC
Airworthiness certificate
Standard, Normal
Departed
IGQ · Chicago, IL
Destination
IGQ · Chicago, IL
Flight plan
Unknown
Airport
IGQ · Lansing 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
Student pilot
Age
45
Injuries
None
Certificate
Student
Medical
Class 2, Unknown
Flight hours
3 total · 3 in this make and model
Role
Flight instructor
Age
28
Injuries
None
Certificates
Flight instructor, Commercial
Instrument ratings
Helicopter
Medical
Class 2, Unknown
Last flight review
March 30, 2012
Flight hours
507 total · 242 in this make and model · 44 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
10° at 7 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
72 °F, dew point 46 °F
Altimeter
30.02 inHg
Observed at
IGQ

Docket · 2

The files NTSB released with the investigation on December 19, 2013, on NTSB’s docket system: statements, records, photos and specialists’ reports. 43 KB 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.