MIA90LA192

NTSB accident investigation · Cessna 402B · St. Thomas · September 24, 1990

Accident · No injuriesLimited investigationFinal report
Date
September 24, 1990, 12:24 local (16:24 UTC)
Place
St. Thomas
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N4440KCessna 402B
Weather
Visual (VMC) · Day
Status
Completed · report November 9, 1992
Report
Approved by Office Director
FAA report
19900924048929A
Case key
32707

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

Separation of the left main landing gear torque tube bracket assembly due to sheared rivets from a previous hard side load landing which was not reported.

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
Landing gear,normal retraction/extension assembly - shearedCause
Proper alignment - not attainedUnknown

Analysis

After touchdown with the gear down & locked while taxiing off the rwy, the lt main landing gear collapsed. According to the director of maint., the left landing gear bracket-assy, gear torque turbe, came loose after the rivets sheared probably due to a hard side load landing which was not reported.

Aircraft

Registration
N4440K
Reported as
Cessna 402B
Category
Airplane
Serial number
402B-00861
Airframe hours
17,311
Engine
Continental TSIO-520-E, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Executive/Corporate · Part 91
Registered owner
Four Star Aviation
Last inspection
Annual · September 1, 1990 · 10 hours before
Departed
SJU · San Juan, PR
Destination
STT · St. Thomas
Airport
STT · Cyril E. King, runway 10, 5,348 × 150 ft, asphalt

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
40
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Flight hours
9,230 total · 600 in this make and model · 5,764 as pilot in command · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
30 statute miles
Lowest ceiling
12,000 ft broken
Temperature
81 °F, dew point 77 °F
Altimeter
29.00 inHg
Observed at
STT

FAA reports on this event · 1

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