In today’s commercial passenger aviation, understandably it’s the aircraft that get top billing and most of the attention. But the airport systems that make their operation possible include a complex array of equipment, much of which is unglamorous and goes largely unnoticed by the flying public. And one of the key contraptions along these lines is a low-slung vehicle called a pushback tug or tractor.
As the name implies, this doughty workhorse of the tarmac goes into action when it’s time to