ANC85LA004

NTSB accident investigation · Cessna U206 · Hinchinbrook, AK · October 14, 1984

Accident · No injuriesLimited investigationFinal report
Date
October 14, 1984, 10:30 local (18:30 UTC)
Place
Hinchinbrook, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N4863CCessna U206
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19841014057579A
Case key
4434

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.

Airframe/component/system failure/malfunctionLanding - roll
Landing gear,nose gear assembly - corrodedCause
Nose gear collapsedLanding - roll
Nose overLanding - roll

Analysis

Investigation revealed that the nose gear torque link bolt sheared during the landing roll on an abandoned sand airstrip causing the gear collapse and noseover. Metallurgical testing disclosed evidence of long term progression of severe corrosion between the bolt and it's sleeve the acft had been involved in operations requiring multiple takeoffs and landings per hour, many of which were on salt wter beaches.

Aircraft

Registration
N4863C
Reported as
Cessna U206
Category
Airplane
Serial number
U20603856
Airframe hours
4,343
Engine
Continental IO-520-F, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Operator
Chitina Air Service, doing business as Chitina Air Service
Registered owner
James M. Foode
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · March 5, 1984 · 36 hours before
Departed
CKU · Cordova, AK
Destination
Hinchinbrook, AK
Flight plan
Company VFR
Airport
Strawberry Point, runway 5, 1,800 × ft

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
29
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,860 total · 1,500 in this make and model · 4,790 as pilot in command · 350 in the last 90 days · 31 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
90 statute miles
Lowest ceiling
None
Temperature
39 °F

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 N4863C · 1

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