Bangladesh, Oct. 1 -- Imagine it is 8:00 pm at Dhaka's Hazrat Shahjalal International Airport (HSIA). The apron is full. Aircraft are waiting for pushback. More flights are approaching Dhaka and entering holding patterns overhead. The departure queue continues to lengthen. Suddenly, an aircraft suffers a tire failure, runway excursion, or other incident upon landing. The runway is closed. Autos& Vehicles

With no second commercial runway available, the entire airside operation comes to an immediate halt. Departing flights are stranded on the ground, arriving aircraft are forced into holding patterns or diverted elsewhere, and airports across the country begin preparing for unscheduled arrivals.

This is not a far-fetched scenario. It is ...