LAX91DVW01

NTSB accident investigation · Melton MMI · Death Valley, CA · October 4, 1990

Accident · Serious injuriesFinal report
Date
October 4, 1990, 13:30 local (20:30 UTC)
Place
Death Valley, CA
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N3934Melton MMI
Weather
Visual (VMC) · Day
Status
Completed · report November 23, 1992
Report
Approved by Office Director
FAA report
19901004044099A
Case key
26956

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot's inaccurate calculation of fuel consumption and his decision to continue the flight with a malfunctioning fuel quantity indicator.

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) - nonmechanicalCruise
Fuel consumption calculations - inaccuratePilot in commandCause
In-flight planning/decision - improperPilot in commandCause
Operation with known deficiencies in equipment - continuedPilot in commandCause
On ground/water collision with objectLanding - roll

Analysis

The homebuilt airplane collided with a dirt embankment after making an emerency landing in the desert. The pilot stated the aircraft fuel capacity is 14 gallons and subsequent to takeoff the direct reading fuel quantity indicator did not indicate properly. Toward the end of the flight the gauge started decreasing rapidly and was inaccurate. The aircraft was airborne for over four hours.

Aircraft

Registration
N3934
Reported as
Melton MMI
Category
Airplane, amateur-built
Serial number
207
Engine
Continental 200 CU. IN., 90 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Norval A. Ferguson
Registered owner
Ferguson, Norval
Airworthiness certificate
Special, Experimental (Special)
Departed
RGB · Roseburg, OR
Destination
Furnace Creek, 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
65
Certificate
Private
Airplane ratings
Single-engine land, Single-engine sea
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
3,000 total · 50 in this make and model · 2,800 as pilot in command · 30 in the last 90 days · 10 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
100 statute miles
Lowest ceiling
None
Temperature
81 °F, dew point 43 °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.