ANC96LA108

NTSB accident investigation · Cessna 170B · Northway, AK · July 30, 1996

Accident · No injuriesLimited investigationFinal report
Date
July 29, 1996, 19:12 local (Jul 30, 1996, 03:12 UTC)
Place
Northway, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N4464BCessna 170B
Weather
Visual (VMC) · Day
Status
Completed · report May 23, 1997
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19960729022759A
Case key
2865

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

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Probable cause

The pilot's failure to maintain directional control of the airplane during landing.

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/waterLanding - flare/touchdown
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - inadvertentPilot in command

Analysis

The pilot made a three-point landing in the tail-wheel equipped airplane. The airplane bounced slightly and then ground looped to the right. The left wing struck the runway and was bent upwards, about 3 feet inboard from the tip. The airplane received damage to the left wing spar and ribs.

Factual narrative

On July 29, 1996, at 1912 Alaska daylight time, a wheel equipped Cessna 170B, N4464B, crashed during landing at the Northway Airport, Northway, Alaska. The airplane was being operated as a visual flight rules (VFR) cross-country personal flight when the accident occurred. The airplane, registered to and operated by the pilot, sustained substantial damage. The certificated commercial pilot, the sole occupant, was not injured. Visual meteorological conditions prevailed. A VFR flight plan was filed. The flight originated from Ft. Wainwright, Alaska, about 1620.

The pilot reported he was landing on runway 22 and performed a three point landing. The airplane bounced slightly and then ground looped to the right. The left wing struck the runway and was bent upwards, about 3 feet inboard from the tip. The airplane received damage to the left wing spar and ribs.

The closest official weather observation station is Northway, Alaska. At 1853, a surface observation was reporting, in part: Sky condition and ceiling, 9,000 feet scattered, 20,000 feet overcast; visibility, 50 miles; temperature, 72 degrees F; dew point, 37 degrees F; wind, 290 degrees at 9 knots; altimeter, 29.78 inHg.

Aircraft

Registration
N4464B
Reported as
Cessna 170B
Category
Airplane
Serial number
26808
Engine
Continental O-300, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Orlow L. Mcinelly
Airworthiness certificate
Standard, Normal
Departed
FBK · Ft Wainwright, AK
Destination
ORT
Flight plan
VFR
Airport
ORT · Northway, runway 22, 5,100 × 100 ft, asphalt

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
44
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Helicopter
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
6,300 total · 100 in this make and model · 6,000 as pilot in command · 130 in the last 90 days · 50 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 9 knots
Visibility
50 statute miles
Lowest ceiling
20,000 ft overcast
Temperature
72 °F, dew point 37 °F
Altimeter
29.00 inHg
Observed at
ORT

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 N4464B · 1

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