Blair Lakes Airport
Aircraft Accident/Incident Report

Blair Lakes, Alaska 99709
Saturday, June 29, 1991 13:00 AKD

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO THE PILOT-IN-COMMAND, THE AIRSTRIP WAS VERY NARROW WITH NO MARGIN FOR ERROR. DURING HIS TAKEOFF ROLL, THE AIRPLANE'S LEFT WING STRUCK SOME WILLOW TREES. THE PILOT ATTEMPTED TO GET THE AIRPLANE AIRBORNE, HOWEVER, IT CONTINUED INTO THE HEAVIER WILLOWS OFF THE SIDE OF THE RUNWAY.

NTSB Probable Cause Narrative

WAS THE PILOT-IN-COMMAND'S FAILURE TO ASSURE SUFFICIENT OBSTRUCTION CLEARANCE FOR HIS AIRPLANE DURING THE TAKEOFF ROLL. CONTRIBUTING TO THE ACCIDENT WAS THE HIGH VEGETATION.

Event Information

Type of Event Accident
Event Date 6/29/1991
Event Day of the Week Saturday
Time of Event 1300
Event Time Zone --
Event City BLAIR LAKES
Event State ALASKA
Event Country --
Zipcode of the event site 99709
Event Date Year 1991
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport BLAIR LAKES
Event Location Nearest Airport ID NONE
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 910
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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 Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 60
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 12
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 623
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 44399
Date of most recent change to record Dec 12 2000 10:16AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5665A
NTSB Number ANC91LA084
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MAULE
Aircraft Model MX-7-235
Aircraft Series Identifier MX-7-235
Aircraft Serial Number 10028C
Certified Max Gross Weight 2500
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 Annual
Date of Last Inspection Nov 8 1990 12:00AM
Airframe hours since last inspection 97
Airframe Hours 456
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Yes
ELT Type --
Aircraft Owner Name KENNETH A. SIEVERT
Aircraft Owner Street Address 1495 B ALASKA WAY
Aircraft Owner City FAIRBANKS
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99709
Operator is an individual? --
Operator Name KENNETH A. SIEVERT
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 1495 B ALASKA WAY
Operator City FAIRBANKS
Operator State AK
Operator Country
Operator Zip code 99709
Operator Code
Owner has at least one certificate None
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code NONE
Departure City BLAIR LAKES
Departure State AK
Departure Country
Departure Time 1300
Departure Time Zone ADT
Destination Same as Local Flt --
Destination Airport Code FAI
Destination City FAIRBANKS
Destination State AK
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 3
Runway Length 1500
Runway Width 15
Sight Seeing flight No
Air Medical Flight No
Medical Flight --