Aircraft Accident/Incident Report

Valdez, Alaska 99686
Wednesday, April 18, 2012 11:25 AKD

NTSB Narrative Summary Released at Completion of Accident

The pilot was landing a high-skid-equipped helicopter on a snow-covered glacier. After touchdown, both skids sank into the snow, and the tail rotor contacted terrain. The tail rotor drive shaft and tail rotor gear box sustained substantial damage. The pilot stated that there were no preaccident mechanical anomalies with the helicopter.

NTSB Probable Cause Narrative

The pilot's selection of an unsuitable landing surface, which resulted in the tail rotor contacting terrain.

Event Information

Type of Event Accident
Event Date 4/18/2012
Event Day of the Week Wednesday
Time of Event 1125
Event Time Zone --
Event City Valdez
Event State ALASKA
Event Country --
Zipcode of the event site 99686
Event Date Year 2012
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 612117N
Event Location Longitude 1462549W
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1116 Atlantic Daylight Time
Direction of event from weather observation facility (degrees) 159
Weather Observation Facility ID PAVD
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) 17
Time Zone of the weather observation ADT
Lighting Conditions Day
Lowest Ceiling Height 3000
Lowest Non-Ceiling Height 1000
Sky/Lowest/Cloud Conditions Few
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 5
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) --
Variable Wind Indicator Variable
Wind Speed (knots) --
Wind Velocity Indicator Light and Variable
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.8
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report METAR PAVD 181916Z 00000KT 10SM FEW010 BKN030 BKN1
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 4
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 29904
NTSB Notification Source FAA AAL Regional Operations Ce
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Jun 20 2012 8:48PM
User who most recently changed record snyg
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N191EH
NTSB Number ANC12CA033
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed Company VFR
Flight plan Was Activated? Yes
Damage Substantial
Aircraft Fire None
Aircraft Explosion --
Aircraft Manufacturer's Full Name AEROSPATIALE
Aircraft Model AS350 B2 ECUREUIL
Aircraft Series Identifier --
Aircraft Serial Number 2505
Certified Max Gross Weight --
Aircraft Category Helicopter
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 6
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Mar 9 2012 12:00AM
Airframe hours since last inspection 83
Airframe Hours 9346
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type C126
Aircraft Owner Name ERA HELICOPTERS LLC
Aircraft Owner Street Address PO BOX 6550
Aircraft Owner City LAKE CHARLES
Aircraft Owner State LA
Aircraft Owner Country USA
Aircraft Owner Zipcode 70606-6550
Operator is an individual? No
Operator Name ERA HELICOPTERS LLC
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address PO BOX 6550
Operator City LAKE CHARLES
Operator State LA
Operator Country USA
Operator Zip code 70606-6550
Operator Code --
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code PAVD
Departure City Valdez
Departure State AK
Departure Country USA
Departure Time 1105
Departure Time Zone ADT
Destination Same as Local Flt crash at destination city
Destination Airport Code --
Destination City Valdez
Destination State AK
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record May 22 2012 2:29PM
User who most recently changed record stam
Since inspection or accident Last Inspection
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --