SEA84LA138

NTSB accident investigation · Cessna 170A · La Grande, OR · June 20, 1984

Accident · No injuriesLimited investigationFinal report
Date
June 19, 1984, 20:40 local (Jun 20, 1984, 03:40 UTC)
Place
La Grande, OR
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9231ACessna 170A
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
FAA report
19840619027309A
Case key
39940

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
Reason for occurrence undeterminedCause
Directional control - not maintainedPilot in command
Ground loop/swerve - uncontrolledPilot in command
Main gear collapsedLanding - roll
Terrain condition - softFactor
Landing gear,main gear - overloadFactor

Analysis

During the landing roll, the acft veered to the right. The plt applied left rudder, but this did not help. Subsequently, the acft went off the rwy & the left main gear sank into soft ground & collapsed. An exam of the acft was made, but no reason was found for the right brake to lock.

Aircraft

Registration
N9231A
Reported as
Cessna 170A
Category
Airplane
Serial number
18992
Airframe hours
2,238
Engine
Continental O-300, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Union Lumber Co
Registered owner
Bronson Lumber Compamy
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 21, 1984
Airport
LGD · La Grande, runway 29, 4,576 × 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
69
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
2,040 total · 27 in this make and model · 1,861 as pilot in command · 112 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
Calm
Visibility
30 statute miles
Lowest ceiling
None
Temperature
70 °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.