Mansfield Lahm Muni Airport
Aircraft Accident/Incident Report

Mansfield, Ohio 44903
Monday, January 2, 1989 16:43 EST

NTSB Narrative Summary Released at Completion of Accident

DRG ARRIVAL, THE FLT WAS VCTRD FOR AN ILS RWY 32 APCH. AS THE ARRIVAL CONTD, THE ATC CTLR PROVIDED THE LATEST INFO ON CLOUD TOPS & IN-CLOUD ICING. THE PLT ACKNOWLEDGED, THEN INQUIRED ABOUT THE STATUS OF THE 'LOCATOR.' THE CTLR ADZD THAT ALL COMPONENTS OF THE ILS, INCLUDING THE OUTER MARKER LOCATOR, WERE MONITORING NML. FOUR MI FM THE OUTER MARKER/FAF, THEPLT WAS GIVEN A FINAL VECTOR, WAS CLRD FOR THE APCH & WAS CLRD TO CIRCLE & LND ON RWY 23. HE ACKNOWLEDGED, THEN RADIO & RADAR CTC WITH THE ACFT WERE LOST. THE ACFT CRASHED APRX 2 MI SE OF THE FAF, WHILE IN A STEEP DSCNT ON A HDG OF 140 DEG.NO PREIMPACT PART FAILURE/MALFUNCTION OF THE ACFT WAS FND, THOUGH IT WAS EXTENSIVELY DMGD. ABT 3 WKS AFTER A BOATING ACDNT ON 7/2/88, THE PLT WAS ADMITTED TO A HOSPITAL & TREATED FOR A STROKE, BUT AN AUTOPSY & TOX CHECKS FAILED TO REVEALANY COND WHICH WOULD HAVE PREVENTED THE PLT FM PERFORMING HIS DUTIES. AD 88-13-01, CONCERNING ACFT EQUIPPED WITH M-4C/D AUTOPLTS, WAS NOT COMPLIED WITH.

NTSB Probable Cause Narrative

FAILURE OF THE PILOT TO MAINTAIN CONTROL OF THE AIRCRAFT, DUE TO SPATIAL DISORIENTATION, AT ABOUT THE TIME HE WAS CHANGING RADIO FREQUENCIES DURING AN IFR APPROACH.

Event Information

Type of Event Accident
Event Date 1/2/1989
Event Day of the Week Monday
Time of Event 1643
Event Time Zone Eastern Standard Time
Event City MANSFIELD
Event State OHIO
Event Country --
Zipcode of the event site 44903
Event Date Year 1989
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MANSFIELD LAHM MUNI
Event Location Nearest Airport ID MFD
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 1297
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1648 Eastern Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID MFD
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 800
Lowest Non-Ceiling Height 800
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) 2
Air Temperature at event time (in degrees celsius) -2
Dew Point at event time (in degress fahrenheit) -3
Wind Direction (degrees magnetic) 230
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
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 4
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 1307
NTSB Notification Source --
NTSB Notification Date Jan 2 1989 12:00AM
NTSB Notification Time 1915
Fiche Number and/or location -used to find docket information 39386
Date of most recent change to record Dec 13 2000 12:24PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N500V
NTSB Number ATL89FA065
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name MITSUBISHI
Aircraft Model MU-2B
Aircraft Series Identifier MU-2B
Aircraft Serial Number 3795A
Certified Max Gross Weight 8930
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 7
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Jun 13 1988 12:00AM
Airframe hours since last inspection --
Airframe Hours 3288
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name BARONCO AIRE LTD
Aircraft Owner Street Address 555 NORTH PLEASANTBURG DR.
Aircraft Owner City GREENVILLE
Aircraft Owner State SC
Aircraft Owner Country
Aircraft Owner Zipcode 29605
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 No
Departure Point Same as Event Yes
Departure Airport Code GSP
Departure City GREENVILLE
Departure State SC
Departure Country
Departure Time 1505
Departure Time Zone EST
Destination Same as Local Flt --
Destination Airport Code
Destination City MANSFIELD
Destination State OH
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 23
Runway Length 9000
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --