Colorado Springs Municipa Airport
Aircraft Accident/Incident Report

Colorado Spring, Colorado 80914
Wednesday, October 30, 1991 10:03 MST

NTSB Narrative Summary Released at Completion of Accident

AS THE AIRCRAFT APPROACHED 50 KIAS ON THE TAKEOFF ROLL, IT DRIFTED RIGHT. THE FIRST OFFICER, WHO WAS MAKING THE TAKEOFF, CORRECTED WITH LEFT RUDDER. RIGHT DRIFT BECAME MORE PRONOUNCED AND HARD LEFT RUDDER WAS USED. THE CAPTAIN TOOK OVER, RETARDED ALL THREE THROTTLES, THEN ATTEMPTED TO REGAIN CONTROL BY USING ASYMMETRICAL THRUST. WHEN THIS FAILED, THE THROTTLES WERE RETARDED AND REVERSE THRUST APPLIED. POST INCIDENT INSPECTION DISCLOSED NO APPARENT DAMAGE. THE NEXT MORNING, A DIFFERENT CREW REJECTED THE TAKEOFF WHEN THE NO. 3 ENGINE FAILED. POST INCIDENT DISASSEMBLY AND INSPECTION OF THE ENGINE DISCLOSED METAL IN THE TAILPIPE, SAND AND MUD IN THE COMPRESSOR SECTION, AND A 13TH STAGE AND TWO 14TH STAGE COMPRESSOR BLADES BROKEN OFF, CAUSING EXTENSIVE DAMAGE TO BOTH THE LOW AND HIGH PRESSURE TURBINES.

NTSB Probable Cause Narrative

THE CAPTAIN'S INADEQUATE SUPERVISION AND THE COPILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL. FACTORS WERE: THE CROSSWIND AND SNOW/ICE ON THE RUNWAY.

Event Information

Type of Event Incident
Event Date 10/30/1991
Event Day of the Week Wednesday
Time of Event 1003
Event Time Zone Mountain Standard Time
Event City COLORADO SPRING
Event State COLORADO
Event Country --
Zipcode of the event site 80914
Event Date Year 1991
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport COLORADO SPRINGS MUNICIPA
Event Location Nearest Airport ID COS
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 6172
Weather Briefing Completeness Full
Investigator's weather source Witness
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 400
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Obscured
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) -11
Dew Point at event time (in degress fahrenheit) -13
Wind Direction (degrees magnetic) 100
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 4055
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 57
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5025
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45371
Date of most recent change to record Dec 12 2000 10:48AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1808U
NTSB Number DEN92IA007
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name DOUGLAS
Aircraft Model DC-10-10
Aircraft Series Identifier DC-10-10
Aircraft Serial Number 46605
Certified Max Gross Weight 430000
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 292
Number of Engines 3
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Jan 2 2000 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name UNITED AIRLINES
Aircraft Owner Street Address P.O. BOX 66100
Aircraft Owner City CHICAGO
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 60666
Operator is an individual? --
Operator Name UNITED AIRLINES
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 1003
Departure Time Zone MST
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 17
Runway Length 11021
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --