Aircraft Accident/Incident Report

Tutna Lake, Alaska
Sunday, August 18, 1985 14:03 AKD

NTSB Narrative Summary Released at Completion of Accident

THE ACFT CRASHED ON THE SIDE OF A MOUNTAIN AT AN ELEV OF 2200 FT APRX 3 MILES FROM ITS INTENDED DESTINATION, A REMOTE LAKE. PURPOSE OF THE FLT WAS TO DISCHARGE CARIBOU HUNTERS INTO AN AREA WHERE CARIBOU WERE SPOTTED EARLY THAT DAY. THE ACFT WAS DESTROYED BY FIRE. INSPECTION OF THE WRECKAGE FAILED TO REVEAL A MECHANICAL FAILURE/MALFUNCTION.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/18/1985
Event Day of the Week Sunday
Time of Event 1403
Event Time Zone --
Event City TUTNA LAKE
Event State ALASKA
Event Country --
Zipcode of the event site
Event Date Year 1985
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
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 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1400 Atlantic Daylight Time
Direction of event from weather observation facility (degrees) 170
Weather Observation Facility ID ILZ
Elevation of weather observation facility 207
Distance of event from weather observation facility (units?) 60
Time Zone of the weather observation ADT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 200
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 40
Air Temperature at event time (in degrees celsius) 15
Dew Point at event time (in degress fahrenheit) 6
Wind Direction (degrees magnetic) 110
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 4
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 1644
NTSB Notification Source --
NTSB Notification Date Aug 18 1985 12:00AM
NTSB Notification Time 1600
Fiche Number and/or location -used to find docket information 29021
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N68085
NTSB Number ANC85FA154
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name de Havilland
Aircraft Model DHC-2 MK.1
Aircraft Series Identifier DHC-2 MK.1
Aircraft Serial Number 1332
Certified Max Gross Weight 5100
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Aug 14 1985 12:00AM
Airframe hours since last inspection 23
Airframe Hours 9018
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ALASKA AIR GUIDES, INC.
Aircraft Owner Street Address P.O. BOX 6989
Aircraft Owner City ANCHORAGE
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99502
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger/Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code LHD
Departure City ANCHORAGE
Departure State AK
Departure Country
Departure Time 1130
Departure Time Zone ADT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --