Aircraft Accident/Incident Report

Knoxville, Tennessee 37922
Thursday, June 9, 1988 12:03 EDT

NTSB Narrative Summary Released at Completion of Accident

DURING AN IFR FLT AT FL170, THE PLT RPTED AIRFRAME ICING AND REQUESTED A HIGHER ALT. THE PLT CLIMBED TO FL210 WHERE HE STARTED A DESCENT AND RPTED LOSS OF MANIFOLD PRESSURE IN THE LEFT ENGINE. THE PLT INDICATED THAT WX WAS IN HIS FLT PATH AND DESCENT WAS REQUIRED TO AVOID ICING. 90 SECONDS LATER THE PLT XMITTED '...LOSING IT...'. RADAR DATA INDICATED ACFT HAD AN INFLT BREAKUP AT APPROXIMATELY 17,000' MSL. THERE WAS NO EVIDENCE OF MECHANICAL OR STRUCTURAL MALFUNCTION PRIOR TO THE BREAKUP. THE ACFT DID NOT HAVE A COMPLETE CURRENT ANNUAL AND DE-ICE EQUIPMENT WAS INOP. THE PLT HAD NO ACTUAL INST EXPERIENCE AND WAS NOT CERTIFIED FOR MULTIENGINE IFR FLT. THE PLT HAD A MEDICAL HISTORY OF ANXIETY ATTACKS AND HAD BEEN TAKING PRESCRIPTION MEDICATION, XANAX AND TOFRANIL, FOR APPROX THREE YEARS PRIOR TO THE ACCIDENT. THE BLOOD CONTAINED 1.2 MCG/ML OF IMIPRAMINE(TOFRANIL) AND 2.6 MCG/ML DESIPRAMINE(METABOLITE OF TOFRANIL). XANAX (ALPRAZOLAM) WAS NOT RPTD IN BLOOD TOX. THESE DRUGS HAVE BEEN KNOWN TO PRODUCE SIDE EFFECTS THAT INCLUDE POOR JUDGEMENT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/9/1988
Event Day of the Week Thursday
Time of Event 1203
Event Time Zone Eastern Daylight Time
Event City KNOXVILLE
Event State TENNESSEE
Event Country --
Zipcode of the event site 37922
Event Date Year 1988
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1150 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID TYS
Elevation of weather observation facility 981
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 3400
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) 1
Air Temperature at event time (in degrees celsius) 19
Dew Point at event time (in degress fahrenheit) 18
Wind Direction (degrees magnetic) 40
Variable Wind Indicator Unknown
Wind Speed (knots) 11
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 1000
Intensity of Precipitation Light
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1375
NTSB Notification Source --
NTSB Notification Date Jun 9 1988 12:00AM
NTSB Notification Time 1250
Fiche Number and/or location -used to find docket information 37492
Date of most recent change to record Dec 13 2000 11:49AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N700SC
NTSB Number ATL88FA191
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 421B
Aircraft Series Identifier 421B
Aircraft Serial Number 421B0910
Certified Max Gross Weight 7450
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 8
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 23 1987 12:00AM
Airframe hours since last inspection 120
Airframe Hours 3516
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name DAVID M. BAILIE, INC.
Aircraft Owner Street Address 4494 SOUTHSIDE BLVD.
Aircraft Owner City JACKSONVILLE
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 32216
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code IND
Departure City INDIANAPOLIS
Departure State IN
Departure Country
Departure Time 1036
Departure Time Zone EDT
Destination Same as Local Flt --
Destination Airport Code JAX
Destination City JACKSONVILLE
Destination State FL
Destination Country
Specific Phase of Flight Descent
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --