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Tuesday, 28 November, 2017, 11 : 00 AM [IST]

Mumbai airport runway exceeds declared capacity, handles 50 flights/hr twice

As per the TOI report, Mumbai airport’s runway may have a declared capacity to handle 46 takeoffs and departure in an hour, but twice on Friday—once in the morning and once in the evening — it handled 50 movements in 60 minutes.

For, Mumbai’s demand for air travel coupled with land-shortage (which means it will never have parallel runways) has forced the private airport operator, the government-run air traffic control and airline pilots to eke out every second worth of efficiency from the 12,008 feet long main runway 27.

“The second a landing aircraft crosses the beginning of the runway to the second when it exits the runway is recorded. Similarly, take-offs too are recorded and the data is shared with airlines on a weekly basis,’’ an airport official. Every upgrade of the runway and taxiway infrastructure, change in operational practices aims to reduce the runway occupancy time (ROT).

Kapil Kaul of Centre for Asia Pacific Aviation (CAPA), a global aviation consultancy firm said, “Gatwick is the only single-runway airport in the world that routinely handles more than 50 flight movements in a given hour. All others are 42 or less. Mumbai has the second highest as it crosses 50.’’ A senior air traffic controller said: “Mumbai main runway’s best so far is 52 arrivals or take-offs in 60 minutes.’’ Gatwick has touched 55-56, he added. “But there are times when we get the right mix of aircraft and weather conditions and we have handled 10 take offs or landings in 10 minutes,’’ he says. A “right mix” is when the wind speed and visibility is good, all the aircraft involved are either A320s or B737s (similar speed and weight aircraft, that is), all are manned by pilots who are well-versed with the layout of Mumbai airport. Also, the departures should be such that they are in left-right-left pattern, which means one departure to north, followed by one to South, then to North and vice-versa. That’s because departures to North turn right after lift off, those to South turn left and so adequate spacing between aircraft is automatically maintained.

 
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