ANC86LA083

NTSB accident investigation · Cessna 172M · Theodore River, AK · June 18, 1986

Accident · No injuriesLimited investigationFinal report
Date
June 18, 1986, 06:30 local (14:30 UTC)
Place
Theodore River, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N73419Cessna 172M
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19860618029559A
Case key
4681

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 control - on ground/waterTakeoff - roll/run
Terrain condition - loose gravel/sandy
Terrain condition - rough/uneven
Judgment - poorPilot in commandFactor
Aircraft handling - not maintainedPilot in commandCause
Directional control - not maintainedPilot in commandCause
On ground/water encounter with terrain/waterTakeoff - roll/run
Terrain condition - sand bar

Analysis

The pilot stated that upon attempting a soft field takeoff the aircraft drifted to the left. The left main landing gear struck a sand berm which caused the aircraft to exit the road into an open ditch.

Aircraft

Registration
N73419
Reported as
Cessna 172M
Category
Airplane
Serial number
17267443
Airframe hours
4,928
Engine
Lycoming O-320-E2D, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Aero Tech Flight Service Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · March 1, 1986 · 75 hours before
Destination
MRI · Anchorage, AK

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
26
Certificates
Commercial, Flight instructor, Airline transport
Airplane ratings
Single-engine sea, Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,863 total · 750 in this make and model · 1,653 as pilot in command · 330 in the last 90 days · 150 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
20 statute miles
Temperature
55 °F, dew point 30 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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