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NTSB Report

April 17, 1993 · Ercoupe Eng & Research 415-C · N94142

Helena, MT

Overview

Report Status

Probable Cause

Event Type

Accident

Date

April 17, 1993

Injury Outcomes

1 injury (1 minor injury), 1 uninjured

Location

Helena, MT

Aircraft

Ercoupe Eng & Research 415-C

Tail Number

N94142

Operator

Wilhelm Clayton D

Injuries

Minor

Aircraft Damage

Destroyed

NTSB Number

SEA93LA098

THE PILOT FLEW A VFR TRAFFIC PATTERN FOR LANDING AT A FAMILIAR GRAVEL AIRSTRIP. THE ACFT STRUCK ELECTRICAL WIRES NEAR THE END OF THE STRIP DURING THE FINAL APPROACH, AND IMPACTED THE GROUND IN AN UNCONTROLLED DESCENT.

NTSB Probable Cause

THE INADEQUATE LOOKOUT BY THE PIC AND HIS FAILURE TO MAINTAIN CLEARANCE FROM ELECTRICAL WIRES. A FACTOR RELATING TO THE ACCIDENT WAS THE PRESENCE OF ELECTRICAL WIRES NEAR THE APPROACH END OF THE AIRSTRIP.

Full Narrative

THE PILOT FLEW A VFR TRAFFIC PATTERN FOR LANDING AT A FAMILIAR GRAVEL AIRSTRIP. THE ACFT STRUCK ELECTRICAL WIRES NEAR THE END OF THE STRIP DURING THE FINAL APPROACH, AND IMPACTED THE GROUND IN AN UNCONTROLLED DESCENT.

Flight

Event TypeAccident

Event Time17:30 MDT

Nearest AirportWILHELMS (0nm)

Runway36

Runway Length5280 ft

Runway Width40 ft

Flight Plan FiledNone

Aircraft FireNo

Aircraft ExplosionNo

Aircraft

AircraftErcoupe Eng & Research 415-C

Tail NumberN94142

Aircraft CategoryAir

DamageDestroyed

OperatorWilhelm Clayton D

Operating RulePart 91

Engines1

Engine TypeReciprocating

Engine DetailsContinental · C-85 · Reciprocating · 85

Seats2

People & Injuries

Injury Summary1 injury (1 minor injury), 1 uninjured

Fatal0

Serious0

Minor1

Uninjured1

Total2

Crew 1Age 57 · Third Class

Conditions

ConditionsVMC

LightDaylight

Wind130° @ 4 kt

Visibility40 sm

CeilingBroken clouds 7500 ft

Temperature / Dew Point57 / 30 C

Altimeter29.00 inHg

Observation Time23:46

Weather SourceWFAC

500 – Data service is offline

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April 17, 1993 · Ercoupe Eng & Research 415-C · N94142

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