General Mitchell Airport
Aircraft Accident/Incident Report

Milwaukee, Wisconsin 53202
Monday, April 16, 1984 17:57 CST

NTSB Narrative Summary Released at Completion of Accident

A GEAR UP LANDING WAS PERFORMED AFTER THE CREW WAS UNABLE TO EXTEND THE RGT MAIN GEAR THRU NORMAL & EMERG PROCEDURES. AN EXAM OF THE ACFT DISCLOSED THE RGT MAIN GEAR DOOR AFT HINGE BOLT WAS SLIGHTLY BENT & DIFFICULT TO ROTATE IN ITS BUSHING. THE BUSHING & BOLT WERE DRY & HAD NOT BEEN LUBRICATED RECENTLY. THE HYDRAULIC CYLINDER WAS NOT CAPABLE OF SUPPLYING ENOUGH PRESSURE TO OVERCOME THE BINDING DOOR. THE BUSHING HAD NOT RECENTLY BEEN INSPECTED OR LUBRICATED BY MAINTENANCE PERSONNEL BECAUSE OF ITS LOCATION BEING DIFFICULT TO ACCESS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 4/16/1984
Event Day of the Week Monday
Time of Event 1757
Event Time Zone Central Standard Time
Event City MILWAUKEE
Event State WISCONSIN
Event Country --
Zipcode of the event site 53202
Event Date Year 1984
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport GENERAL MITCHELL
Event Location Nearest Airport ID MKE
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 723
Weather Briefing Completeness Not pertinent
Investigator's weather source Pilot
Time of the weather observation 1802
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID MKE
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 2300
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 8
Air Temperature at event time (in degrees celsius) 7
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 25
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 35
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Light
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) 5082
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26890
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 N163MA
NTSB Number CHI84IA155
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name SWEARINGEN
Aircraft Model SA226TC
Aircraft Series Identifier SA226TC
Aircraft Serial Number TC236
Certified Max Gross Weight 10062
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 22
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Apr 4 1984 12:00AM
Airframe hours since last inspection 61
Airframe Hours 13115
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name MIDSTATE AIRLINES, INC.
Aircraft Owner Street Address 3101 DIXON ST.
Aircraft Owner City STEVENS POINT
Aircraft Owner State WI
Aircraft Owner Country
Aircraft Owner Zipcode 54481
Operator is an individual? --
Operator Name MIDSTATE AIRLINES, INC.
Operator Same as Owner? No
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 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 Yes
Departure Point Same as Event No
Departure Airport Code IND
Departure City INDIANAPOLIS
Departure State IN
Departure Country
Departure Time 1514
Departure Time Zone CST
Destination Same as Local Flt --
Destination Airport Code MKE
Destination City MILWAUKEE
Destination State WI
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 9690
Runway Width 200
Sight Seeing flight No
Air Medical Flight No
Medical Flight --