ANC85LA160

NTSB accident investigation · Piper PA-18 · Yuki River, AK · August 23, 1985

Accident · No injuriesLimited investigationFinal report
Date
August 22, 1985, 21:50 local (Aug 23, 1985, 05:50 UTC)
Place
Yuki River, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N83545Piper PA-18
Weather
Visual (VMC) · Night/bright
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19850822040369A
Case key
4550

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.

Loss of engine power(total) - nonmechanicalCruise - normal
Fuel system,tank - contaminationCause
Fuel system,filter - waterCause
Fuel system,filter - waterCause
Preflight planning/preparation - improperPilot in commandCause
Checklist - improperPilot in commandCause
Self-induced pressurePilot in commandFactor
Forced landingDescent - emergency
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

During a normal cruise the aircraft engine quit. The pilot attempted a emergency landing on the Yuki River. During the examination of the aircraft engine no mechanical failure or malfunction was noted. Water was located in both the fuel tanks and fuel lines.

Aircraft

Registration
N83545
Reported as
Piper PA-18
Category
Airplane
Serial number
187709072
Airframe hours
800
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Judith A. Ruppert
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 16, 1985 · 90 hours before

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
36
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
145 total · 44 in this make and model · 92 as pilot in command · 35 in the last 90 days · 15 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/bright
Wind
210° at 10 knots
Visibility
60 statute miles
Lowest ceiling
None
Temperature
61 °F, dew point 30 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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