MIA86LA174

NTSB accident investigation · Randy Tredo Mustang II · Ocala, FL · June 8, 1986

Accident · No injuriesLimited investigationFinal report
Date
June 8, 1986, 13:10 local (17:10 UTC)
Place
Ocala, FL
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N78RTRandy Tredo Mustang II
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860608022159A
Case key
31648

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 engine power(total) - mech failure/malfTakeoff - initial climb
Fuel system,carburetor - blocked(total)Cause
Carburetor heat control,torque box - failure,totalCause
Forced landingDescent - emergency
Gear collapsedLanding - roll

Analysis

The plt stated that just after takeoff he lost all engine power and upon landing in an open field the gear collapsed. Examination of the eng revealed that the butterfly valve in the carburetor heat box broke off and slid back into the carburetor opening and blocked the airflow, causing the complete loss of power experienced by the pilot.

Aircraft

Registration
N78RT
Reported as
Randy Tredo Mustang II
Category
Airplane, amateur-built
Serial number
885
Airframe hours
214
Engine
Lycoming O-320-A1A, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Robert Murty, Jr
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · May 14, 1986
Departed
OCF · Ocala, FL
Destination
OPF · Opa Locka, FL
Flight plan
VFR

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
33
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
203 total · 120 in this make and model · 141 as pilot in command · 43 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
280° at 6 knots
Visibility
10 statute miles
Lowest ceiling
25,000 ft broken
Temperature
91 °F, dew point 72 °F
Altimeter
29.00 inHg
Observed at
GNV, 30 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.