DEN08LA032

NTSB accident investigation · Gomory Long EZ · LeRoy, KS · November 16, 2007

Accident · Minor injuriesLimited investigationFinal report
Date
November 16, 2007, 16:50 local (22:50 UTC)
Place
LeRoy, KS
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N191PSGomory Long EZ
Weather
Visual (VMC) · Day
Status
Completed · report January 31, 2008
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20071116826999A
Case key
67130

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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Probable cause

The NTSB’s determination of the probable cause, and any contributing factors.

The loss of engine power due to fuel starvation. Contributing factors were the pilot's improper fuel calculations and in-flight planning.

Analysis

According to the pilot, the airplane departed with approximately 2 hours flight time of fuel in the left fuel tank and 1.5 hours in the right fuel tank. During the flight at an altitude of 4,500 feet mean sea level, the fuel selector was in the left fuel tank position. The pilot reported that while en route, he decided to change the fuel selector position when the airplane was over the next airport. Approximately 5 minutes later and prior to switching the fuel tank selector to the right tank position, the engine lost power. The pilot switched fuel tanks and attempted to restart the engine; however, the engine did not restart. The pilot then elected to execute a forced landing to a field. During the forced landing, the airplane impacted terrain and came to rest upright. The engine was test run on the airframe for approximately 10 minutes with no anomalies noted. In the accident report section, "How could this accident have been prevented?", the pilot reported, "Add more than enough gas."

Factual narrative

On November 16, 2007, approximately 1650 central standard time, a Gomory Long EZ single-engine airplane, N191PS, sustained substantial damage when it impacted terrain during a forced landing following a loss of engine power near Le Roy, Kansas. The private pilot, who was the sole occupant, sustained minor injuries. The airplane was registered to and operated by the pilot. Visual meteorological conditions prevailed, and a visual flight rules flight plan was filed for the Title 14 Code of Federal Regulations Part 91 personal flight. The flight departed Fulton, Missouri, at 1515 and was destined for Wichita, Kansas.

According to the pilot, the airplane departed Fulton with approximately 2 hours flight time of fuel in the left fuel tank and 1.5 hours in the right fuel tank (Each fuel tank had a capacity of 26 total gallons and 24 gallons of usable fuel). During the flight at an altitude of 4,500 feet mean sea level, the fuel selector was in the left fuel tank position. The pilot reported that while en route, he decided to change the fuel selector position when the airplane was over the next airport. Approximately 5 minutes later and prior to switching the fuel tank selector to the right tank position, the engine lost power. The pilot switched fuel tanks and attempted to restart the engine; however, the engine did not restart. The pilot then elected to execute a forced landing to a field. During the forced landing, the airplane impacted terrain and came to rest upright.

In the Pilot/Operator Aircraft Accident Report (NTSB Form 6120.1), section "How could this accident have been prevented?", the pilot reported, "Add more than enough gas."

Examination of the airplane by a Federal Aviation Administration (FAA) inspector revealed the outboard left wing was partially separated and the wing spar was fractured.

On November 27, 2007, the engine was test run under the supervision of a FAA inspector. Prior to the engine test run, the inspector "visually confirmed the [left hand] fuel sight glass as completely empty and the [right hand] fuel sight glass indicated at least half full." The left fuel tank cap was removed, and no fuel was noted in the tank. The fuel selector was placed in the right tank position, and the engine was started. The engine was test run for approximately 10 minutes with no anomalies noted.

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 powerCruise
Fuel consumption calculations - improperPilot in commandFactor
Fuel system - starvationCause
In-flight planning/decision - improperPilot in commandFactor
Forced landingDescent - emergency
In flight collision with terrain/waterLanding
Terrain condition - ground

Aircraft

Registration
N191PS
Reported as
Gomory Long EZ
Category
Airplane, amateur-built
Serial number
996
Engine
Lycoming O-235-L2C, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
William W. Ko
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · July 1, 2007
Departed
FTT · Fulton, MO
Destination
AAO · Wichita, KS
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
55
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, With waivers/limitations
Last flight review
July 1, 2006
Seat
Front
Flight hours
1,552 total · 52 in this make and model · 1,267 as pilot in command · 7 in the last 90 days · 7 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
220° at 25 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
45 °F
Altimeter
29.92 inHg

FAA reports on this event · 1

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