Anchorage Airport
Aircraft Accident/Incident Report

Anchorage, Alaska 99502
Friday, August 19, 1983 17:45 AKD

NTSB Narrative Summary Released at Completion of Accident

DURING TAKEOFF AT KODIAK, AK, THE WHEEL & LOWER SHAFT OF THE LEFT STRUT ASSY SEPARATED FROM THE ACFT. THE PLT STATED THAT WHEN HE WAS RETRACTING THE GEAR, HE FELT A BUMP & GOT AN UNSAFE GEAR LIGHT. HE IMMEDITAELY EXTENDED THE GEAR & FLEW BY THE TOWER & WAS INFORMED THAT THE LEFT GEAR APPEARED TO BE MISSING. THE PLT THEN FLEW TO ANCHORAGE WHERE HE COULD LAND ON A FOAMED RWY. HE WAS UNABLE TO RETRACT THE GEAR. BEFORE LANDING, HE SHUT DOWN & SECURED THE LEFT ENG. THE LEFT WING RECEIVED MINOR DAMAGE DURING THE LANDING. AN EXAM OF THE TOP MAIN GEAR BEARING REVEALED THAT 2 OF 4 RETAINING PINS, PN 01821-06, WERE MISSING & THE OTHER 2 WERE SHEARED OFF. AN EXAM OF THE RIGHT MAIN GEAR RETAINING PINS REVEALED THAT 2 HAD CRACKS IN THE NECK REGION. EARLIER ON THE SAME DAY OF THE INCIDENT, THE ACFT HAD AN UNSAFE GEAR INDICATION. MAINTENANCE PERSONNEL HAD INSPECTED, REMOVED, CLEANED, GREASED & REINSTALLED ALL ACTUATING RODS & HAD ADJUSTED THE LEFT GEAR UPLOCK. THE ACFT WAS THEN RELEASED FOR A TEST FLT, ON WHICH, THE INCIDENT OCCURRED.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 8/19/1983
Event Day of the Week Friday
Time of Event 1745
Event Time Zone --
Event City ANCHORAGE
Event State ALASKA
Event Country --
Zipcode of the event site 99502
Event Date Year 1983
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport ANCHORAGE
Event Location Nearest Airport ID ANC
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 144
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1729 Atlantic Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID ANC
Elevation of weather observation facility 144
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation ADT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 90
Air Temperature at event time (in degrees celsius) 19
Dew Point at event time (in degress fahrenheit) 7
Wind Direction (degrees magnetic) 290
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5045
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21836
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N200VF
NTSB Number ANC83IA150
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-31-350
Aircraft Series Identifier PA-31-350
Aircraft Serial Number 31-7405445
Certified Max Gross Weight 6500
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 Continuous Airworthiness
Date of Last Inspection Feb 1 1983 12:00AM
Airframe hours since last inspection 9
Airframe Hours 5236
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ISLAND AIR SERVICE
Aircraft Owner Street Address BOX 125
Aircraft Owner City KODIAK
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99615
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
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 --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code ADQ
Departure City KODIAK
Departure State AK
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Other
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 6
Runway Length 10897
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --