LAX84FU018

NTSB accident investigation · Mitchell T10 · Sparks, NV · November 4, 1983

Accident · FatalFinal report
Date
November 4, 1983, 14:00 local (22:00 UTC)
Place
Sparks, NV
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
UNREGMitchell T10
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
24007

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 - in flightCruise
Reason for occurrence undeterminedCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

Ground witnesses observed the ultralight vehicle in straight & level flt. According to them, the vehicle began a pitch oscillation, then went into a steep, right descending spiral until it struck the ground. Another plt, who was flying in the vicinity reported that the wind was calm & the was no turbulence. During the investigation, no preimpact, mechanicl malfunction or failure was found. The owner thought that the student's foot might have became 'hooked' between his right rudder pedal & part of the vehicles structure. However, this was not vertified.

Aircraft

Registration
UNREG
Reported as
Mitchell T10
Category
Ultralight
Serial number
T1034
Airframe hours
8
Engine
Rotax 436.6 CC, 38 horsepower, reciprocating
Damage
Destroyed
Flight
Instructional · Part 103
Registered owner
William P. Morlang

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Certificates
Commercial, Flight instructor
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
7,100 total · 9 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
220° at 14 knots
Visibility
40 statute miles
Lowest ceiling
7,000 ft broken
Temperature
64 °F, dew point 46 °F
Altimeter
30.00 inHg
Observed at
RNO, 5 nm away