Maury County Airport
Aircraft Accident/Incident Report

Mount Pleasant, Tennessee 38401
Tuesady, March 4, 1986 7:35 CST

NTSB Narrative Summary Released at Completion of Accident

ON FINAL APPROACH THE CREW TURNED THE AIRCRAFT CABIN ENVIRONMENTAL CONTROL FROM THE AUTO MODE TO THE OFF POSITION. SHORTLY THEREAFTER, THE COCKPIT AND CABIN BEGAN TO FILL WITH SMOKE. THE OCCUPANT OF THE COPILOTS SEAT FELT HEAT AROUND HIS FEET. A NORMAL LANDING WAS MADE AND THE PASSENGERS AND CREW EXITED THE AIRCRAFT WITH OUT INJURY. EXAMINATION SHOWED THAT THE FIBERGLASS DUCTING ON TOP OF THE HEATER PELEUM CHAMBER HAD CAUGHT FIRE. A HOLE WAS BURNED THROUGHT THE PRESSURE BULKHEAD INTO THE AVIONICS COMPARTMENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 3/4/1986
Event Day of the Week Tuesday
Time of Event 735
Event Time Zone Central Standard Time
Event City MOUNT PLEASANT
Event State TENNESSEE
Event Country --
Zipcode of the event site 38401
Event Date Year 1986
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MAURY COUNTY AIRPORT
Event Location Nearest Airport ID MRC
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 677
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 646 Central Standard Time
Direction of event from weather observation facility (degrees) 40
Weather Observation Facility ID BNA
Elevation of weather observation facility 599
Distance of event from weather observation facility (units?) 42
Time Zone of the weather observation CST
Lighting Conditions Day
Lowest Ceiling Height 4000
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) 5
Air Temperature at event time (in degrees celsius) 4
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 290
Variable Wind Indicator Unknown
Wind Speed (knots) 6
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 9
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1132
NTSB Notification Source --
NTSB Notification Date Mar 4 1986 12:00AM
NTSB Notification Time 1015
Fiche Number and/or location -used to find docket information 31604
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 N861K
NTSB Number ATL86FA085
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire Ground and In-flight
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model BE-90
Aircraft Series Identifier BE-90
Aircraft Serial Number LJ-471
Certified Max Gross Weight 9650
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 10
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Oct 15 1985 12:00AM
Airframe hours since last inspection 64
Airframe Hours 3781
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name THE E. RANDEL CO.
Aircraft Owner Street Address #1 MILL CREEK PARK
Aircraft Owner City FRANKFORT
Aircraft Owner State KY
Aircraft Owner Country
Aircraft Owner Zipcode 40601
Operator is an individual? --
Operator Name STEVENS AVIATION,INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address
Operator City LOUISVILLE
Operator State KY
Operator Country
Operator Zip code 40205
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 Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code LOU
Departure City LOUISVILLE
Departure State KY
Departure Country
Departure Time 734
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code MRC
Destination City COLUMBIA
Destination State TN
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 23
Runway Length 5003
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --