Unalakleet Airport
Aircraft Accident/Incident Report

Unalakleet, Alaska 99684
Friday, October 24, 1986 14:45 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PRIVATE PILOT WITH 14 HOURS EXPERIENCE IN THIS AIRPLANE DID NOT RECOGNIZE THAT THE CARBURETOR HEAT CONTROL WAS NOT FUNCTIONING PROPERLY. HE DID NOT RECALL DRAINING THE AIRPLANE'S FUEL SUMPS AFTER REFUELING FROM EXPOSED FUEL TANKS PRIOR TO TAKEOFF. CARBURETOR ICE AND PARTICULATE MATTER AND WATER COULD HAVE DEROGATED ENGINE PERFORMANCE. AFTER PWR LOSS DURING INITIAL CLIMB THE PLT WAS UNABLE TO RETURN TO THE ARPT AND LANDED OFF SHORE IN WATER. AFTER RECOVERY THE ENG WA OPERATED. THE DAY OF THE ACC HAD WX COND. FOR CARB ICE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 10/24/1986
Event Day of the Week Friday
Time of Event 1445
Event Time Zone --
Event City UNALAKLEET
Event State ALASKA
Event Country --
Zipcode of the event site 99684
Event Date Year 1986
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport UNALAKLEET
Event Location Nearest Airport ID UNK
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 3
Degrees magnetic from airport 260
Airport Elevation 21
Weather Briefing Completeness Not pertinent
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 1500
Lowest Non-Ceiling Height 900
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) -4
Dew Point at event time (in degress fahrenheit) -7
Wind Direction (degrees magnetic) 80
Variable Wind Indicator Unknown
Wind Speed (knots) 10
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 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) 2395
NTSB Notification Source --
NTSB Notification Date Oct 24 1986 12:00AM
NTSB Notification Time 1548
Fiche Number and/or location -used to find docket information 33070
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N95248
NTSB Number ANC87LA010
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name TAYLORCRAFT
Aircraft Model BC-12D
Aircraft Series Identifier BC-12D
Aircraft Serial Number 9648
Certified Max Gross Weight 1200
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 15 1985 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JAMES M. BREWER II
Aircraft Owner Street Address P.O. BOX 629
Aircraft Owner City NOME
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99762
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 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) Ferry
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1443
Departure Time Zone ADT
Destination Same as Local Flt --
Destination Airport Code GAL
Destination City GALENA
Destination State AK
Destination Country
Specific Phase of Flight Landing
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 8
Runway Length 2000
Runway Width 80
Sight Seeing flight No
Air Medical Flight No
Medical Flight --