Kansas City Int'l Airport
Aircraft Accident/Incident Report

Kansas City, Missouri 64195
Monday, January 7, 1991 19:15 CST

NTSB Narrative Summary Released at Completion of Accident

THE FIRST OFFICER HAD CONTROL OF THE AIRCRAFT FOR TAKEOFF ON ICE COVERED RUNWAY. AFTER THE THROTTLES WERE ADVANCED FOR TAKEOFF, THE AIRCRAFT ROLLED STRAIGHT AHEAD FOR APPROXIMATELY 2 SECONDS, THEN BEGAN TO SLIDE TO THE LEFT. THE CAPTAIN TOOK CONTROL OF THE AIRCRAFT BUT COULD NOT MAINTAIN DIRECTIONAL CONTROL, OR STOP THE AIRCRAFT. THE AIRCRAFT DEPARTED THE LEFT SIDE OF THE RUNWAY AND CAME TO A STOP IN THE MUD AND SNOW. AN EMERGENCY EVACUATION WAS CONDUCTED. INVESTIGATION REVEALED THAT ON APPLICATION OF POWER FOR TAKEOFF, THE RIGHT ENGINE HAD A 10% GREATER N1 THAN THE LEFT ENGINE. THE FIRST OFFICER WAS ON HIS INITIAL OPERATING EXPERIENCE IN THE AIRCRAFT.

NTSB Probable Cause Narrative

IMPROPER USE OF THE THROTTLES, AND FAILURE TO MAINTAIN DIRECTIONAL CONTROL BY THE FIRST OFFICER. FACTORS RELATED TO THE INCIDENT ARE: ICE ON THE RUNWAY, LACK OF TOTAL EXPERIENCE IN THE TYPE AIRCRAFT AND OPERATION BY THE FIRST OFFICER, AND INADEQUATE SUPERVISION BY THE CAPTAIN.

Event Information

Type of Event Incident
Event Date 1/7/1991
Event Day of the Week Monday
Time of Event 1915
Event Time Zone Central Standard Time
Event City KANSAS CITY
Event State MISSOURI
Event Country --
Zipcode of the event site 64195
Event Date Year 1991
Event Date Month 1
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport KANSAS CITY INT'L
Event Location Nearest Airport ID MCI
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 1026
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1925 Central Standard Time
Direction of event from weather observation facility (degrees) 1
Weather Observation Facility ID MCI
Elevation of weather observation facility 1026
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation CST
Lighting Conditions Night/Dark
Lowest Ceiling Height 300
Lowest Non-Ceiling Height 300
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) 1
Air Temperature at event time (in degrees celsius) -5
Dew Point at event time (in degress fahrenheit) -6
Wind Direction (degrees magnetic) 110
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
Intensity of Precipitation Moderate
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 36
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 445
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 43731
Date of most recent change to record Dec 12 2000 9:11AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N396UA
NTSB Number CHI91IA062
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 737-322
Aircraft Series Identifier 737-322
Aircraft Serial Number 24671
Certified Max Gross Weight 135000
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 149
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection Jan 2 2000 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name UNITED AIRLINES
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 66100
Operator City CHICAGO
Operator State IL
Operator Country
Operator Zip code 60666
Operator Code UALA
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1915
Departure Time Zone CST
Destination Same as Local Flt --
Destination Airport Code DEN
Destination City DENVER
Destination State CO
Destination Country
Specific Phase of Flight Takeoff
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 27
Runway Length 9500
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --