LAX84FU027

NTSB accident investigation · Mitchell TU-10 · Perris, CA · May 13, 1984

Accident · FatalFinal report
Date
May 13, 1984, 11:08 local (18:08 UTC)
Place
Perris, CA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
UNREGMitchell TU-10
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
24016

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 flightManeuvering
Supervision - improperCheck pilotCause
Aerobatics - performedFactor
Aircraft handling - not maintainedCause
Stall/spin - not correctedCheck pilot
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The purpose of the flt was for one instructor plt (CFI) to check out the other CFI in the ultralight vehicle. Reportedly, many witnesses watched as the acft climbed to aprx 3000 ft AGL. The aircrew then performed a series of rolls to the left & right. The acft then entered a spin & crashed. No evidence of an in-flt structural failure or power failure was found. According to the owner's manual, aerobatic maneuvers & intentional spins were prohibited.

Aircraft

Registration
UNREG
Reported as
Mitchell TU-10
Category
Ultralight
Serial number
1010
Airframe hours
25
Engine
Kawasaki TA 440A-C203, 36 horsepower, reciprocating
Damage
Destroyed
Flight
Instructional · Part 103
Registered owner
Mitchell Wing
Departed
L65 · Perris, CA

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
34
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
4,000 total · 7 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
20 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 54 °F
Altimeter
30.00 inHg