CHI03LA165

NTSB accident investigation · Engineering & Research 415-C · Independence, KS · June 14, 2003

Accident · No injuriesLimited investigationFinal report
Date
June 14, 2003, 11:27 local (16:27 UTC)
Place
Independence, KS
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N87198Engineering & Research 415-C
Weather
Visual (VMC) · Day
Status
Completed · report June 2, 2004
Report
Approved by Office Director
Parties
FAA Wichita FSDO
FAA report
20030614013859A
Case key
57251

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

A loss of engine power due to fuel starvation. A factor to the accident was the pilot's improper installation of the fuel cap.

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
Installation - improperPilot in commandFactor
Fuel system,cap - improperFactor
Fuel system - starvationCause
Forced landingDescent - emergency
On ground/water encounter with terrain/waterEmergency landing
Terrain condition - none suitable

Analysis

The airplane sustained substantial damage during a forced landing in a farm field following a total loss of engine power six miles from the destination airport. Inspection of the airplane revealed that at least one fuel cap was placed on backwards. No other anomalies to fuel system were noted. According to the pilot's operating handbook, if the fuel caps are placed on the airplane backwards, the fuel system may malfunction because the fuel system will be unable to vent and provide equal fuel flow to the tanks. Unequal flow may result in the fuel pump being unable to pump fuel to the fuselage tank.

Factual narrative

On June 14, 2003, at 1127 central daylight time, an Engineering & Research Corporation 415-C (Ercoupe), N87198, owned and piloted by a private pilot, sustained substantial damage during a forced landing following a total loss of engine power near Independence, Kansas. Visual meteorological conditions prevailed at the time of the accident. The 14 CFR Part 91 personal flight was not operating on a flight plan. The pilot and the passenger were uninjured. The flight originated from Colonel James Jabara Airport (AAO), Wichita, Kansas, at 1030, and was en route to Independence Municipal Airport (IDP), Independence, Kansas.

The airplane was about six nautical miles northwest from (IDP) when it experienced a total loss of engine power. The pilot stated he made a forced landing on a farm field.

A post accident investigation by a Federal Aviation Administration (FAA) inspector revealed the following: No obstructions were found in the main gascolator, fuel pump, and carburetor fuel screens. The carburetor, fuel pump, and return lines from the fire wall did not contain obstructions. The fuselage gravity feed fuel tank was empty, while the remaining fuel in the wing tanks measured to be five gallons. The engine driven pump was primed by hand and pumped fuel.

A certified mechanic reported that at least one of the fuel caps on the wing tanks was found to be on backwards. According to the Ercoupe operating manual, "It has been the experience of some Ercoupe owners and operators that line mechanics put the wing tank caps on backwards. To prevent malfunctioning of the fuel system, it is imperative that the caps be put on the tanks with the vent hole to the front. This provides venting of each wing tank and will prevent syphoning or unequal flow of the fuel. Unequal flow may result in the fuel pump being unable to transfer all of the fuel from the wing tanks to the fuselage tank."

The manual further states, "The sealing of the cap gasket also effects proper venting. If difficulty is experienced in attaining a good seal of the gas cap, which is an un-machined casting, the sealing surface may be filed smooth and the gasket cemented to this surface. Should there be an excessive amount of solder on the filler neck sealing surface, it may also be removed by filing."

Aircraft

Registration
N87198
Reported as
Engineering & Research 415-C
Category
Airplane
Serial number
371
Airframe hours
1,134.9
Engine
Continental C-85, 85 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Jimmy O. Farmer
Airworthiness certificate
Standard, Normal
Last inspection
Annual · February 10, 2003 · 15 hours before
Departed
AAO · Wichita, KS
Destination
IDP · Independence, KS
Airport
IDP · Independence Municipal Airport

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
63
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
196 total · 16 in this make and model · 16 in the last 90 days · 16 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 7 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
82 °F, dew point 66 °F
Altimeter
29.98 inHg
Observed at
CFV, 17 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.

Other investigations on N87198 · 1

Matched to the same aircraft by N-number and date.