ANC94LA132

NTSB accident investigation · James Chisum CHISUM-SCRAPS · Fairbanks, AK · September 7, 1994

Accident · No injuriesLimited investigationFinal report
Date
September 7, 1994, 13:00 local (21:00 UTC)
Place
Fairbanks, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N1771CJames Chisum CHISUM-SCRAPS
Weather
Visual (VMC) · Day
Status
Completed · report May 9, 1995
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19940907025989A
Case key
2563

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 failure of the pilot to maintain directional control of the airplane. Factors in the accident were the soft terrain and inadequate remedial action.

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 - roll
Terrain condition - softFactor
Directional control - not maintainedPilot in commandCause
Nose overLanding - roll
Remedial action - inadequatePilot in commandFactor

Analysis

The pilot, the sole occupant, was landing an experimental airplane at a remote tundra airstrip for the purpose of retrieving meat from a recent hunting trip. During the landing roll, the right main gear began to settle into soft terrain and the airplane began to diverge from the intended direction of landing. The pilot applied left rudder and applied the brakes. The airplane nosed over and received damage to the left wing and tail.

Factual narrative

On September 7, 1994, at 1300 Alaska daylight time, N1771C, a wheel equipped experimental James Chisum, Chisum-Scraps airplane, (a modified Piper, PA-12), nosed over during the landing rollout at a remote tundra strip located approximately 40 miles south of Fairbanks, Alaska. The airplane, registered to the pilot-in-command, sustained substantial damage. The pilot, the sole occupant, was not injured. The pleasure flight, conducted under 14 CFR Part 91 for the purpose of recovering moose meat from a recent hunt, last departed the Fairbanks municipality at about 1230 and the intended destination was the site of the mishap. According to the pilot, visual meteorological conditions prevailed and personal acquaintances were aware of his flight itinerary.

During a telephone interview with the NTSB investigator-in-charge on the morning of September 8, 1994, the pilot reported that during the landing rollout, the right wheel began to settle into the soft soil and divert the plane away from the intended landing direction. The pilot applied left rudder and brake to counter the unintended ground track and the plane nosed over resulting in damage to the top of the rudder and left wing.

Aircraft

Registration
N1771C
Reported as
James Chisum CHISUM-SCRAPS (CHISUM-SCR)
Category
Airplane, amateur-built
Serial number
1
Airframe hours
89
Engine
Lycoming HIO-360-E1AD, 190 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Chisum, Jonathan J.
Registered owner
Chisum, Jonathan J.
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · July 13, 1994 · 89 hours before
Departed
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
60
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
16,000 total · 89 in this make and model · 16,000 as pilot in command · 75 in the last 90 days · 40 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
40 statute miles
Lowest ceiling
None
Temperature
61 °F

FAA reports on this event · 1

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