Bullhead City Airport
Aircraft Accident/Incident Report

Bullhead City, Arizona 86430
Saturday, September 7, 1991 21:55 MST

NTSB Narrative Summary Released at Completion of Accident

THE ATP CERTIFICATED PILOT AND HIS WIFE HAD BEEN AIRBORNE FOR ABOUT 35 MINUTES AND WERE APPROACHING AN AIRPORT FOR LANDING WHEN SHE STATED THAT THEY HAD AN INFLIGHT CABIN FIRE. THE NIGHT FLIGHT ORIGINATED AT LAS VEGAS, NEVADA, WHERE THEY HAD JUST BEEN MARRIED. PRIOR TO REACHING THE INTENDED AIRPORT, SHE STATED THE FIRE ORIGINATED IN THE OVERHEAD LIGHT CONSOLE WHICH HOUSES 2 RHEOSTATS AND A LIGHT SWITCH. THE FIRE BEGAN TO BURN THE HEADLINER AND PLASTIC CONSOLE. THE BURNING PLASTIC WAS DRIPPING ONTO THEIR BODIES. THE AIRCRAFT CRASHED OUT OF CONTROL NEAR THE RUNWAY IN THE DIRT AND WAS DESTROYED. THE CABIN FIRE WAS EXTINGUISHED BY THE LOCAL FIRE DEPARTMENT. A DUPLICATE CONSOLE WAS TESTED. WHEN THE DOOR POST LIGHT WAS SHORTED, THE LIGHTING RHEOSTAT IN THE CONSOLE REACHED IN EXCESS OF 1425 DEGREES FAHRENHEIT AT A CIRCUIT LOAD 6 AMPS MAXIMUM. THE CIRCUIT IS PROTECTED BY A 10 AMP BREAKER. THE OVERHEAD CABIN PLASTIC MATERIAL WAS FOUND TO READILY BURN.

NTSB Probable Cause Narrative

1) A SHORT CIRCUIT, 2) ELECTRICAL OVERLOAD WHICH IGNITED THE CABIN INTERIOR, 3) INADEQUATE ELECTRICAL CIRCUIT PROTECTION, AND 4) INSUFFICIENT ELECTRICAL SYSTEM DESIGN STANDARDS.

Event Information

Type of Event Accident
Event Date 9/7/1991
Event Day of the Week Saturday
Time of Event 2155
Event Time Zone Mountain Standard Time
Event City BULLHEAD CITY
Event State ARIZONA
Event Country --
Zipcode of the event site 86430
Event Date Year 1991
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport BULLHEAD CITY
Event Location Nearest Airport ID PO6
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 550
Weather Briefing Completeness Unknown
Investigator's weather source Witness
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 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) 50
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2057
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45769
Date of most recent change to record Dec 12 2000 10:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7031G
NTSB Number LAX91FA386
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire In-flight
Aircraft Explosion In-flight
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 172K
Aircraft Series Identifier 172K
Aircraft Serial Number 17258731
Certified Max Gross Weight 2300
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 Unknown
Date of Last Inspection Jan 2 2000 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SHEBLE AVIATION INC.
Aircraft Owner Street Address 17240 W. HOBSON WAY
Aircraft Owner City BLYTHE
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 92225
Operator is an individual? --
Operator Name SHEBLE AVIATION INC.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 17240 W. HOBSON WAY
Operator City BLYTHE
Operator State CA
Operator Country
Operator Zip code 92225
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 LAS
Departure City LAS VEGAS
Departure State NV
Departure Country
Departure Time 2110
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code BUT
Destination City BLYTHE
Destination State CA
Destination Country
Specific Phase of Flight Approach
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 17
Runway Length 4200
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --