LAX85FA068

NTSB accident investigation · Hart-Thorp T-18 Tiger · Tulare, CA · December 13, 1984

Accident · FatalField investigationFinal report
Date
December 12, 1984, 16:00 local (Dec 13, 1984, 00:00 UTC)
Place
Tulare, CA
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N3WBHart-Thorp T-18 Tiger
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19841212043799A
Case key
24440

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.

In flight encounter with weatherClimb - to cruise
Weather condition - cloudsFactor
Weather condition - turbulence in cloudsFactor
Weather condition - windshearFactor
Vfr flight into imc - intentionalPilot in commandCause
Overconfidence in personal abilityPilot in command
Weather evaluation - misjudgedPilot in commandFactor
Judgment - improperPilot in commandFactor
Loss of control - in flightClimb - to cruise
Vfr flight into imc - intentionalPilot in commandFactor
Became lost/disoriented - inadvertentPilot in commandCause
Lack of total instrument timePilot in commandFactor
Stall/spin - inadvertentPilot in commandCause
Airframe/component/system failure/malfunctionDescent - uncontrolled
Flight control,stabilator - failure,totalFactor
Flight control,stabilator - overloadFactor
Design stress limits of aircraft - exceededPilot in commandCause

Analysis

Acft departed arpt & about 5 mins later was seen 'descending vertically' out of 'dark rain cloud' at about 1,000 ft AGL. During attempted recovery at about 300 ft AGL, acft broke up & crashed in a field. Plt did not obtain wx briefing prior to flt and did not hold an instruement rating. Wx at time of departure was 1,000 ft overcast, visibility 2 in fog and rain, winds calm. Witnesses reported bases of clouds were moving se 'rapidly' at the time of the accident. Winds aloft at 3,000 ft were reported at 22 KTS. Cumulus clouds were reported in vicinity of accident site along with moderate or greater turbulence. Examination of acft revealed no pre-existing problems.

Aircraft

Registration
N3WB
Reported as
Hart-Thorp T-18 Tiger
Category
Airplane, amateur-built
Serial number
279
Airframe hours
2,029
Engine
Lycoming O-360-A1D, 180 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Arch H. Maxwell
Airworthiness certificate
Special, Experimental (Special)
Departed
TLR · Tulare, CA
Destination
085 · Redding, CA

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
55
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
3,263 total · 600 in this make and model · 3,215 as pilot in command · 28 in the last 90 days · 5 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
2 statute miles
Lowest ceiling
1,000 ft overcast
Temperature
48 °F, dew point -0 °F
Altimeter
29.00 inHg
Observed at
VIS, 10 nm away

FAA reports on this event · 1

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