ASN Wikibase Occurrence # 288597
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| Date: | Friday 9 April 2010 |
| Time: | 18:30 LT |
| Type: |  Boeing 737-3H4 |
| Owner/operator: | Southwest Airlines |
| Registration: | N624SW |
| MSN: | 27934/2781 |
| Year of manufacture: | 1996 |
| Total airframe hrs: | 46873 hours |
| Engine model: | General Electric CFM 56-3 |
| Fatalities: | Fatalities: 0 / Occupants: 109 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Los Angeles International Airport, CA (LAX/KLAX) -
 United States of America
|
| Phase: | Pushback / towing |
| Nature: | Passenger - Scheduled |
| Departure airport: | Los Angeles International Airport, CA (LAX/KLAX) |
| Tucson International Airport, AZ (TUS/KTUS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While the airplane was being pushed back for its flight, it was struck by a runaway baggage tug. The tug operator reported that he stopped on the ramp to pick up two bags. He exited the tug without setting its parking brake, turning off its engine, or placing the gear selector in neutral or park, which was not in accordance with the tug company's ground equipment general driving rules. The tug operator then placed the first bag on the passenger seat, which company procedures caution against doing. While the tug operator was handling the second bag, the unoccupied tug began to move because the first bag had fallen off the passenger seat onto the accelerator pedal. The tug moved forward, struck a hydrant fueling cart on the ramp, and then veered toward the left side of the airplane. The tug impacted both of the airplane's engines and its fuselage. If the tug operator had followed company driving rules, the accident could have been prevented. In addition, postaccident examination of the tug revealed that the electrical motor disengaging seat switch, which is designed to disengage the tug's electrical motor when weight is removed from the driver's seat, was inoperative; therefore, it did not prevent the tug from moving forward as designed.
Probable Cause: The tug operator's failure to comply with company procedures when parking an unoccupied baggage tug, and the failure of the tug's seat switch to disengage the electric motor when weight was removed from the driver's seat.
Accident investigation:
 |
|
Sources:
NTSB WPR10FA199
History of this aircraft
Other occurrences involving this aircraft
| 12 October 2005 | N624SW | Southwest Airlines | 0 | Phoenix-Sky Harbor International Airport, AZ (PHX/KPHX) | |
sub |
| Collision with other aircraft on apron | ||||||
| 10 April 2016 | N624SW | Southwest Airlines | 0 | near Lost City, OK | |
non |
| Loss of pressurization | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2022 00:18 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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