CHI08CA164

NTSB accident investigation · Hughes 269B · Cook, MN · June 15, 2008

Accident · Minor injuriesData collectionFinal report
Date
June 14, 2008, 20:22 local (Jun 15, 2008, 01:22 UTC)
Place
Cook, MN
Injuries
1 minor, 2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9357FHughes 269B
Defining event
Enroute-cruise: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report July 30, 2008
Report
Approved by Office Director
Parties
Minneapolis, MN, FSDO
FAA report
20080614838889A
Case key
68319

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 pilot not maintaining tail rotor effectiveness while turning in cruise.

Findings · 1

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.

Rotorcraft flight control: tail rotor control systemAircraft › Aircraft propeller/rotor · Incorrect use/operationHughes 269B: 1 caseAll aircraft: 13 casesProbable cause

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 pilot stated that he was cruising east in a helicopter. He made a 180 degree turn to the right, flew west for about 40 seconds, and made a 180 degree turn to right. The pilot reported that he rolled out of the turn, but the helicopter continued to turn right. He said that he landed flat, and the spinning helicopter rolled onto its right side. The helicopter was examined after the accident, and no preimpact anomalies were detected. The pilot's safety recommendation was, "Watch your airspeed when turning right so that your tail can still maintain control."

Factual narrative

The pilot stated that he was cruising east bound in a helicopter. He made a 180 degree turn to the right, flew west for about 40 seconds, and made a 180 degree turn to right. The pilot reported that he rolled out of the turn and that the helicopter continued to turn right. He said that he landed "flat" and "with the spin the helicopter rolled onto its right side." The airplane was examined after the accident and no pre-impact anomalies were detected. The pilot's safety recommendation was, "Watch your airspeed when turning right so that your tail can still maintain control."

Aircraft

Registration
N9357F
Reported as
Hughes 269B
Category
Helicopter
Serial number
0044
Airframe hours
4,101
Engine
Lycoming HIO-360, reciprocating
Damage
Substantial damage
Flight
Other work use · Part 91
Registered owner
Adrenalin Airshows Inc
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 1, 2007
Departed
Cook, MN

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
60
Injuries
Minor
Certificates
Private, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Medical
Class 2, With waivers/limitations
Flight hours
7,650 total · 3,100 in this make and model

Weather

Conditions
Visual (VMC) · Day
Observed at
CKC

FAA reports on this event · 1

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

Other investigations on N9357F · 6

Matched to the same aircraft by N-number and date.