LAX83FA082

NTSB accident investigation · Cessna 401 · Lompoc, CA · January 26, 1983

Accident · No injuriesField investigationFinal report
Date
January 26, 1983, 11:30 local (19:30 UTC)
Place
Lompoc, CA
Injuries
5 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N11JRCessna 401
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830126002249A
Case key
23417

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

On this page

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 collapsedLanding - roll
Landing gear,main gear attachment - overloadCause
Maintenance,major repair - improperOther maintenance personnelCause
Lack of familiarity with aircraftCompany maintenance personnelCause
Maintenance,adjustment - improperOther maintenance personnelCause
Lack of total experience in type of aircraftCompany maintenance personnelCause
Maintenance,100-hour inspection - improperCompany maintenance personnelCause

Analysis

The acft went off the left side of the runway during landing after the left main landing gear collapsed. This was an airtaxi flight and one of the passengers confirmed that all 3 landing gear green lights were illuminated. Examination of the left main gear wheel well area revealed the left strut bellcrank attach flange forging and the connecting bolt. P/n was 464P4-26 were fractured. The strut forging failed in tensile overload. The connecting bolt fractured by tensile shear.

Aircraft

Registration
N11JR
Reported as
Cessna 401
Category
Airplane
Serial number
0052
Airframe hours
3,761
Engine
Continental TSIO-520-E, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Registered owner
Aaa Air Charter, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · January 8, 1983 · 15 hours before
Departed
SFO · San Francisco, CA
Flight plan
IFR
Airport
LPC · Lompoc, runway 7, 3,600 × 100 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
59
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
15,339 total · 339 in this make and model · 15,029 as pilot in command · 134 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 15 knots, gusting 20
Visibility
10 statute miles
Lowest ceiling
4,000 ft overcast
Temperature
-0 °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.