ATL89FA065

NTSB accident investigation · Mitsubishi MU-2B · Mansfield, OH · January 2, 1989

Accident · FatalField investigationFinal report
Date
January 2, 1989, 16:43 local (21:43 UTC)
Place
Mansfield, OH
Injuries
4 fatal
Damage
Destroyed
Phase of flight
Approach
Aircraft
N500VMitsubishi MU-2B
Weather
Instrument (IMC) · Day
Status
Completed · report December 10, 1990
Report
Approved by Office Director
FAA report
19890102000069A
Case key
7871

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

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.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - in flightApproach - iaf to faf/outer marker (ifr)
Weather condition - clouds
Weather condition - icing conditions
Weather condition - low ceiling
Aircraft control - not maintainedPilot in commandCause
Spatial disorientationPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

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.

Aircraft

Registration
N500V
Reported as
Mitsubishi MU-2B
Category
Airplane
Serial number
3795A
Airframe hours
3,288
Engine
Garrett TPE-331, 665 horsepower, turbo prop
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Baronco Aire Ltd
Airworthiness certificate
Standard, Utility
Last inspection
AAIP · June 13, 1988
Departed
GSP · Greenville, SC
Destination
Mansfield, OH
Flight plan
IFR
Airport
MFD · Mansfield Lahm Muni, runway 23, 9,000 × 150 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
52
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
11,700 total · 2,860 in this make and model

Weather

Conditions
Instrument (IMC) · Day
Wind
230° at 12 knots
Visibility
2 statute miles
Lowest ceiling
800 ft overcast
Temperature
28 °F, dew point 27 °F
Altimeter
29.00 inHg
Observed at
MFD

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.