CHI86LA085

NTSB accident investigation · Cessna 401B · Milwaukee, WI · February 9, 1986

Accident · No injuriesLimited investigationFinal report
Date
February 8, 1986, 22:05 local (Feb 9, 1986, 04:05 UTC)
Place
Milwaukee, WI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N777CSCessna 401B
Weather
Visual (VMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19860208002349A
Case key
13422

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.

Main gear collapsedTaxi - from landing
Wing,wing rib - undeterminedCause
Landing gear,gear locking mechanism - disconnectedCause

Analysis

While taxiing to park, the left main landing gear collapsed. Investigation revealed that the left hand gear support had torn from the wing rib to which it was bolted. On the FAA malfunction or defect report submitted by the operator, company officials stated that it appeared that the gear had a heavy side load placed upon it at some unknown time. The pilot stated that the landing prior to the accident was normal.

Aircraft

Registration
N777CS
Reported as
Cessna 401B
Category
Airplane
Serial number
401-0152
Airframe hours
5,469
Engine
Continental TSIO-520-E, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Midwest Aviation Corp.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · January 23, 1986 · 26 hours before
Departed
GRB · Green Bay, WI
Flight plan
IFR
Airport
MKE · Mitchell Field

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
24
Certificates
Flight instructor, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,728 total · 66 in this make and model · 1,614 as pilot in command · 209 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
310° at 10 knots
Visibility
10 statute miles
Lowest ceiling
2,000 ft overcast
Temperature
25 °F, dew point 19 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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

Other investigations on N777CS · 1

Matched to the same aircraft by N-number and date.