ANC08CA129

NTSB accident investigation · Eurocopter AS 350 B2 · Kenai, AK · September 28, 2008

Accident · No injuriesData collectionFinal report
Date
September 28, 2008, 10:57 local (18:57 UTC)
Place
Kenai, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N352EVEurocopter AS 350 B2
Defining event
Landing-flare/touchdown: Collision during takeoff/land
Weather
Visual (VMC) · Day
Status
Completed · report December 11, 2008
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA
FAA report
20080928848509A
Case key
69343

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's failure to maintain tail rotor clearance from the safety netting during final approach and landing.

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.

Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Not attained/maintainedEurocopter AS 350 B2: 6 casesAll aircraft: 1,310 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotEurocopter AS 350 B2: 13 casesAll aircraft: 9,295 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 commercial pilot was making a positioning flight under Title 14, CFR Part 91. The pilot said he had shuttled passengers to an oil platform, and was returning to pick them up. He said as he approached the platform helipad, the tail rotor struck the safety netting surrounding the landing area. The pilot said there were no mechanical problems with the helicopter prior to the accident, but that the tail rotor gearbox and tail boom were substantially damaged during the accident.

Factual narrative

The commercial pilot was making a positoning flight under Title 14, CFR Part 91. The pilot said he had shuttled passengers to an oil platform, and was returning to pick them up. He said as he approached the platform helipad, the tail rotor struck the safety netting surrounding the landing area. The pilot said there were no mechanical problems with the helicopter prior to the accident, but that the tail rotor gearbox and tail boom were substantially damaged during the accident.

Aircraft

Registration
N352EV
Reported as
Eurocopter AS 350 B2
Category
Helicopter
Serial number
2555
Airframe hours
3,055
Engine
Turbomeca ARRIEL 1SER, 681 horsepower, turbo shaft
Damage
Substantial damage
Flight
Positioning · Part 91
Operator
Evergreen Helicopter Inc., doing business as Evergreen Helicopters Alaska
Registered owner
Cfs Air LLC
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · September 11, 2008
Departed
Kenai, AK
Destination
Kenai, AK
Flight plan
Company VFR

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
61
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Helicopter
Medical
Class 2, With waivers/limitations
Last flight review
March 22, 2008
Seat
Right
Flight hours
14,224 total · 210 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
60° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
61 °F

FAA reports on this event · 1

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