Big Sandy Regional Airport
Aircraft Accident/Incident Report

Hazard, Kentucky 41701
Thursday, November 30, 2000 11:00 EST

NTSB Narrative Summary Released at Completion of Accident

During cruise flight, the pilot became incapacitated. The pilot rated passenger was able to fly the airplane toward an airport and wake the pilot. The pilot landed uneventfully, but suffered from toxic levels of carbon monoxide. Examination of the airplane revealed a hole in the cabin air scat tubing. The hole was in the vicinity of the joint that connected the number one cylinder to the exhaust manifold, and there was a visible gap in the joint. Further examination revealed that the sometime during the airplane's history, the scat tubing had been misrouted.

NTSB Probable Cause Narrative

The incorrect routing of the cabin air scat tubing by an unknown person, which resulted in a carbon monoxide leak into the cabin, and subsequent pilot incapacitation.

Event Information

Type of Event Incident
Event Date 11/30/2000
Event Day of the Week Thursday
Time of Event 1100
Event Time Zone Eastern Standard Time
Event City HAZARD
Event State KENTUCKY
Event Country --
Zipcode of the event site 41701
Event Date Year 2000
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport BIG SANDY REGIONAL
Event Location Nearest Airport ID K22
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 1221
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1156 Eastern Standard Time
Direction of event from weather observation facility (degrees) 350
Weather Observation Facility ID JKL
Elevation of weather observation facility 1381
Distance of event from weather observation facility (units?) 12
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 1900
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) 10
Air Temperature at event time (in degrees celsius) 1
Dew Point at event time (in degress fahrenheit) -4
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 2
Injury Total None 2
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 5024
NTSB Notification Source FAA Southern Region
NTSB Notification Date Nov 30 2000 12:00AM
NTSB Notification Time 1245
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Jul 10 2001 4:41PM
User who most recently changed record MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N942TB
NTSB Number NYC01IA046
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Mooney
Aircraft Model M20C
Aircraft Series Identifier M20C
Aircraft Serial Number 2587
Certified Max Gross Weight 2575
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Oct 28 2000 12:00AM
Airframe hours since last inspection 49
Airframe Hours 1404
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name THOMAS R. BAILEY
Aircraft Owner Street Address
Aircraft Owner City BENTON
Aircraft Owner State KY
Aircraft Owner Country
Aircraft Owner Zipcode 42025
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) Personal
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code LYH
Departure City LYNCHBURG
Departure State VA
Departure Country
Departure Time 900
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code CEY
Destination City MURRAY
Destination State KY
Destination Country
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jun 3 2001 4:09AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 21
Runway Length 5000
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --