Birchwood Airport
Aircraft Accident/Incident Report

Chugiak, Alaska 99567
Monday, December 6, 1982 19:15 AST

NTSB Narrative Summary Released at Completion of Accident

THE AIRCRAFT COLLIDED WITH GROUND AND ROLLED WHILE THE PILOT WAS HOVER TAXIING DOWNWIND. THE WINDS WERE DESCRIBED AS 15 KTS TO GUSTS AS HIGH AS 45 KTS. THE ENSTROM CHIEF ENGINEER REPORTED THAT A DOWNWIND HOVER TENDS TO DECAY THE MAIN ROTOR RPM DUE TO EXCESSIVE USE OF TAILROTOR PEDAL, ESPECIALLY AT HIGH GROSS WEIGHTS. THIS AIRCRAFT WAS NEAR ITS MAXIMUM GROSS WEIGHT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/6/1982
Event Day of the Week Monday
Time of Event 1915
Event Time Zone Atlantic Standard Time
Event City CHUGIAK
Event State ALASKA
Event Country --
Zipcode of the event site 99567
Event Date Year 1982
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport BIRCHWOOD AIRPORT
Event Location Nearest Airport ID Z15
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Partial - limited by pilot
Investigator's weather source Unknown
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 3000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 36
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 2
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2913
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Oct 31 2002 4:04PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9607
NTSB Number ANC83FA022
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Unknown
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name ENSTROM
Aircraft Model F-28A
Aircraft Series Identifier F-28A
Aircraft Serial Number 158
Certified Max Gross Weight 0
Aircraft Category Helicopter
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 3
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 590
Airframe Hours 550
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name AERO WHITE, INC.
Aircraft Owner Street Address 2328 LLOYD CENTER
Aircraft Owner City PORTLAND
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97232
Operator is an individual? --
Operator Name ALYESKA AIR SERVICE, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1000 MERRILL FIELD DR.
Operator City ANCHORAGE
Operator State AK
Operator Country
Operator Zip code 99501
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code C
Departure City ANCHORAGE
Departure State AK
Departure Country
Departure Time 1820
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code C
Destination City CHUGIAK
Destination State AK
Destination Country
Specific Phase of Flight Hover
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 19
Runway Length 4000
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --