WPR20LA259

NTSB accident investigation · Rutan Vari EZE · Kelso Valley, CA · August 9, 2020

Accident · Serious injuriesClass 3 · LimitedFinal report
Date
August 9, 2020, 08:00 local (15:00 UTC)
Place
Kelso Valley, CA
Injuries
1 serious, 1 minor
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N2ZERutan Vari EZE
Defining event
Enroute: Fuel related
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Investigation class
Class 3
NTSB office
Western Pacific Region
Parties
FSDO
FAA report
20200809013869A
Case key
101761

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 failure to secure the fuel cap, which resulted in a total loss of engine power due to fuel exhaustion.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Action: forgotten action/omissionPersonnel issues › Action/decision · PilotPage/Le Master VARI-EZE: 1 caseAll aircraft: 440 casesProbable cause
Fluids: fuelAircraft › Fluids/misc hardware · Fluid levelPage/Le Master VARI-EZE: 1 caseAll aircraft: 1,695 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot departed with 16 gallons of fuel (about 3 hours of flight time) on board for the local flight. About one hour after the departure, the engine experienced a loss of engine power. He switched the fuel selector from the wing tank position to the center tank position, and the engine regained power for 30 seconds before it lost power again. The pilot manipulated the fuel selector two more times only to experience an additional 20 seconds of regained engine power. The pilot then executed an emergency landing during which the fuselage was substantially damaged. A postaccident examination of the airplane revealed the left-wing fuel cap was not secured to the fuel tank and both wing fuel tanks were empty. The pilot’s failure to secure the left wing fuel cap likely created a leak in the fuel system which would have exhausted the fuel supply sooner than the pilot planned for and resulted in a loss of power.

Factual narrative

On August 9, 2020, at 0800 Pacific daylight time, a Page/Le Master, Vari-eze experimental airplane, N2ZE, was destroyed when it was involved in an accident near Kelso Valley, California. The pilot was seriously injured, and the passenger sustained a minor injury. The airplane was operated as a Title 14 Code of Federal Regulations (CFR) Part 91 personal flight. The pilot stated he departed California City Municipal Airport (L71), California City, California, with 16 gallons of fuel (about 3 hours of flight time) on board. About 1 hour after the departure, the engine experienced a loss of engine power. The pilot switched the fuel selector from the wing tank position to the center tank position, and the engine regained power for 30 seconds before it lost power. The pilot manipulated the fuel selector from the center tank to the wing tank and back to center tank only to experience an additional 20 seconds of regained engine power. The pilot then decided to execute an emergency landing during which the fuselage was substantially damaged. The pilot reported the loss of engine power was due to “a lack of fuel.” He also reported that he last flew the airplane about 6 months before the accident, and he performed the maintenance on the airplane. A postaccident examination of the airplane revealed the left-wing fuel cap was not secured to the fuel tank and both wing fuel tanks were empty. The fuel filter bowl was also empty, and the filter was absent of any debris.

Aircraft

Registration
N2ZE
Reported as
Rutan Vari EZE (No Series)
Category
Airplane, amateur-built
Serial number
522
Built
1984
Engine
Continental O-200 SERIES, 100 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · July 15, 2020
Departed
L71 · California City, CA
Destination
L71 · California City, 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
Injuries
Serious
Certificates
Flight instructor, Airline transport, Flight engineer, Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Without waivers/limitations
Seat
Front
Restraint
4-point
Flight hours
3,156 total · 10 in this make and model · 22 in the last 90 days · 10 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
68 °F
Observed at
L71, 40 nm away

Docket · 4

The files NTSB released with the investigation on June 29, 2022, on NTSB’s docket system: statements, records, photos and specialists’ reports. 7.2 MB in all.

FAA reports on this event · 1

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