MKC84LA064

NTSB accident investigation · Mitsubishi MU 2B-20 · Ames, IA · January 24, 1984

Accident · No injuriesLimited investigationFinal report
Date
January 24, 1984, 10:55 local (16:55 UTC)
Place
Ames, IA
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N123AXMitsubishi MU 2B-20
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840124001469A
Case key
33622

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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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 - on ground/waterLanding - roll
Terrain condition - icyFactor
Wrong runway - selectedPilot in commandCause
Terrain condition - snow coveredFactor
Airspeed - improperPilot in commandCause
Weather condition - crosswindFactor
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - not correctedPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - snowbankFactor
Landing gear - overload

Analysis

The acft landed in a crosswind on a snow and ice covered rwy. During landing, directional control was lost and the acft collided with a snowbank. The plt stated he attempted to use propeller reversing for braking and the acft started to slide to the left.

Aircraft

Registration
N123AX
Reported as
Mitsubishi MU 2B-20
Category
Airplane
Serial number
220
Engine
Airesearch TPE331-1-151A, 665 horsepower, turbo prop
Damage
Substantial damage
Flight
Executive/Corporate · Part 91
Registered owner
Astec Industries, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Unknown · December 21, 1983 · 46 hours before
Departed
CHA · Chattanooga, TN
Flight plan
IFR
Airport
AMW · Municipal, runway 13, 3,500 × 100 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
53
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
10,785 total · 327 in this make and model · 8,305 as pilot in command · 118 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
360° at 10 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
25 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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