ANC87LA040

NTSB accident investigation · Cessna 170B · Anchorage, AK · February 23, 1987

Accident · No injuriesLimited investigationFinal report
Date
February 23, 1987, 10:00 local (14:00 UTC)
Place
Anchorage, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N4687CCessna 170B
Weather
Visual (VMC) · Day
Status
Completed · report March 21, 1988
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19870223003499A
Case key
4824

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/waterTaxi - from landing
Terrain condition - icyFactor
Compensation for wind conditions - inadequatePilot in commandCause
Weather condition - gustsFactor
Judgment - poorPilot in commandFactor
Weather condition - high windFactor
Procedures/directives - not followedPilot in commandFactor
Aircraft handling - improperPilot in commandCause
Directional control - not maintainedPilot in commandCause
Dragged wing,rotor,pod,float or tail/skidTaxi - from landing

Analysis

The pilot successfully landed his ski equipped tailwheel airplane on a frozen lake in gusty wind conditions but lost control of the airplane while attempting to taxi from upwind to downwind. The airplane struck its left wing and elevator on the lake ice and was substantially damaged.

Aircraft

Registration
N4687C
Reported as
Cessna 170B
Category
Airplane
Serial number
25631
Airframe hours
2,487
Engine
Continental C-145-2, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
John Bains-Jordan
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 4, 1986 · 1,136 hours before
Departed
King Lake, AK
Destination
ANC · Anchorage, AK
Airport
LHD · Lake Hood Seaplane

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
41
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
550 total · 210 in this make and model · 430 as pilot in command · 10 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 25 knots, gusting 35
Visibility
50 statute miles
Lowest ceiling
None
Temperature
30 °F, dew point 19 °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.