Kivalina Airport
Aircraft Accident/Incident Report

Kivalina, Alaska
Wednesday, October 8, 1986 12:05 AKD

NTSB Narrative Summary Released at Completion of Accident

THE ROLL PIN AND SAFETY WIRE WHICH RETAIN THE MAIN LANDING GEAR FORWARD TRUNNION PIN WERE BROKEN AND THE FORWARD TRUNNION PIN ON THE RIGHT MAIN LANDING GEAR WAS FOUND 'BACKED OUT', THEREBY RELEASING THE RIGHT MAIN LANDING GEAR TRUNNION.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 10/8/1986
Event Day of the Week Wednesday
Time of Event 1205
Event Time Zone --
Event City KIVALINA
Event State ALASKA
Event Country --
Zipcode of the event site
Event Date Year 1986
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport KIVALINA
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 10
Weather Briefing Completeness Not pertinent
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) -9
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 90
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 10
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5048
NTSB Notification Source --
NTSB Notification Date Oct 8 1986 12:00AM
NTSB Notification Time 1400
Fiche Number and/or location -used to find docket information 32796
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1233T
NTSB Number ANC87IA011
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 402C
Aircraft Series Identifier 402C
Aircraft Serial Number 402C0805
Certified Max Gross Weight 6850
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 10
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection 61
Airframe Hours 2760
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name RYAN AIR SERVICE, INC.
Aircraft Owner Street Address P.O. BOX 127
Aircraft Owner City UNALAKLEET
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99684
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code UATA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1102
Departure Time Zone AST
Destination Same as Local Flt --
Destination Airport Code
Destination City NOTAK
Destination State AK
Destination Country
Specific Phase of Flight Taxi
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 12
Runway Length 3000
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --