Miami International Airport
Aircraft Accident/Incident Report

Miami, Florida 33159
Wednesday, September 6, 1995 12:20 EDT

NTSB Narrative Summary Released at Completion of Accident

A GROUND SUPPORT EMPLOYEE WAS ATTEMPTING WITHOUT ASSISTANCE TO CONNECT THE TOWBAR TO THE PAYMOVER TO PUSH BACK THE AIRPLANE FROM THE GATE. THE PAYMOVER REPORTEDLY MOVED UNCOMMANDED REARWARD AND COLLIDED WITH OTHER GROUND EQUIPMENT. THE ENGINE OF THE PAYMOVER WAS SHUT DOWN AND A GROUND SUPPORT SUPERVISOR BOARDED THE PAYMOVER TO AGAIN ATTEMPT TO PUSHBACK THE AIRPLANE. THE SUPERVISOR STATED THAT WHILE STANDING ON THE PAYMOVER WITH THE PARKING BRAKE RELEASED AFTER STARTING THE ENGINE, THE PAYMOVER MOVED UNCOMMANDED FORWARD. ATTEMPTS TO STOP IT WERE UNSUCCESSFUL. THE PAYMOVER COLLIDED WITH THE TOWBAR THEN WITH A GROUND POWER UNIT WHICH WAS PUSHED INTO THE FUSELAGE. THE NORMAL BRAKE SYSTEM WHICH WAS NOT REPAIRED AFTER THE ACCIDENT WAS OPERATIONALLY TESTED AFTER THE ACCIDENT; NO DEFECTS WERE NOTED. OPERATIONAL TEST OF NEUTRAL SAFETY SWITCH COULD NOT DUPLICATE THE MALFUNCTION. SIMILAR DISCREPANCIES REGARDING UNCOMMANDED MOVEMENT OF THE PAYMOVER WERE REPORTED.

NTSB Probable Cause Narrative

IMPROPER PLANNING/DECISION BY THE COMPANY DRIVER OF THE VEHICLE (PAYMOVER) AND UNCOMMANDED MOVEMENT OF THE PAYMOVER FOR UNDETERMINED REASONS.

Event Information

Type of Event Accident
Event Date 9/6/1995
Event Day of the Week Wednesday
Time of Event 1220
Event Time Zone Eastern Daylight Time
Event City MIAMI
Event State FLORIDA
Event Country --
Zipcode of the event site 33159
Event Date Year 1995
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport MIAMI INTERNATIONAL
Event Location Nearest Airport ID MIA
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 11
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1150 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 360
Weather Observation Facility ID MIA
Elevation of weather observation facility 11
Distance of event from weather observation facility (units?) 1
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 2900
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 31
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 130
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) 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 78
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1599
NTSB Notification Source --
NTSB Notification Date Sep 7 1995 12:00AM
NTSB Notification Time 908
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 7 2000 4:36PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N405KW
NTSB Number MIA95LA218
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 737-4Q8
Aircraft Series Identifier 737-4Q8
Aircraft Serial Number 24704
Certified Max Gross Weight 138500
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 167
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection AAIP
Date of Last Inspection Aug 19 1995 12:00AM
Airframe hours since last inspection 154
Airframe Hours 10624
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name INTERNATIONAL LEASE FINANCE CO
Aircraft Owner Street Address 1999 AVE OF THE STARS-39TH FL
Aircraft Owner City LOS ANGELES
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 90067
Operator is an individual? --
Operator Name CARNIVAL AIR LINES, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 1815 GRIFFEN ROAD-SUITE 205
Operator City DANIA
Operator State FL
Operator Country
Operator Zip code 33004
Operator Code RIVA
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 International
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 MIA
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code MTPP
Destination City PORT-AU-PRINCE
Destination State OF
Destination Country
Specific Phase of Flight Taxi
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --