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NTSB accident investigation · Cessna 170A · Cottonwood, AZ · December 25, 1984

Accident · Serious injuriesLimited investigationFinal report
Date
December 25, 1984, 15:42 local (22:42 UTC)
Place
Cottonwood, AZ
Injuries
2 serious
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9164ACessna 170A
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19841225068429A
Case key
24618

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,staticFactor
Visual lookout - not maintainedPilot in commandFactor
Proper altitude - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - dirt bank/rising embankment

Analysis

Witnesses reported that the acft was in level flight at treetop altitude along a river and that the engine was operatingnormally until the acft struck & severed three power lines before impacting the riverbank about 200 ft west of the wires

Aircraft

Registration
N9164A
Reported as
Cessna 170A
Category
Airplane
Serial number
19358
Engine
Continental O-300-A, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Glen Maybury
Last inspection
Annual · August 8, 1984
Departed
P52 · Cottonwood, AZ

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
Medical
Unknown, Unknown

Weather

Conditions
Visual (VMC) · Day
Wind
320° at 5 knots
Visibility
65 statute miles
Temperature
50 °F, dew point 36 °F
Altimeter
30.00 inHg
Observed at
PRC

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 N9164A · 2

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