SEA88LA062

NTSB accident investigation · Aeronca 7AC · Umpqua, OR · March 19, 1988

Accident · Serious injuriesLimited investigationFinal report
Date
March 19, 1988, 10:15 local (18:15 UTC)
Place
Umpqua, OR
Injuries
2 serious
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N81788Aeronca 7AC
Weather
Visual (VMC) · Day
Status
Completed · report March 30, 1989
Report
Approved by Office Director
FAA report
19880319006039A
Case key
40791

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

On this page

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.

In flight collision with objectCruise
Object - wire,transmissionFactor
Proper altitude - not maintainedPilot in commandCause
Visual lookout - inadequatePilot in commandCause
Forced landingDescent - emergency
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

While flying low over a river the aircraft struck unmarked telephone wires. An off-airport landing was made onto a cow pasture. During the landing the aircraft struck the ground nose first. Post acc inspection revealed telephone wire insulation wedged near the bottom of the carburetor air cleaner. The telephone wire had broken the carburetor casting that holds the carb to the intake pipes. The plt said that he lost eng power. The damage noted would result in loss of power. The plt offered no explanation for the low flying but sent his plt cert to FAA and said he had violated far's. his recommendation for prevention was to avoid low flying.

Aircraft

Registration
N81788
Reported as
Aeronca 7AC
Category
Airplane
Serial number
7AC-411
Airframe hours
2,431
Engine
Continental C-65-B, 65 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Ernest Swinn
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 24, 1987
Departed
5S1 · Roseburg, OR

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
54
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
1,207 total · 310 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
50 statute miles
Lowest ceiling
None
Temperature
50 °F

FAA reports on this event · 1

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