Flight operations again hit at IGI

Flight operations again hit at IGI

Three morning flights were cancelled, while 32 domestic and 20 international ones were delayed by over three to four hours as thick fog blanketed the airport. Fog began to descend upon the airport late last night and the visibility started to deteriorate, forcing the airport authorities to implement low visibility procedures.

The runway visibility dipped to a low of 75 metres at around 3.30 am and again around 7.30 am this morning. After the visibility become poor some flights landed with the help of CAT-III B instrument landing system (ILS). Though CAT-III B compliant aircraft managed to land, flights could not take off as the runway visibility was less than 150 metres, the required minima for the low visibility take-off (LVTO) for an aircraft, an airport official said.

A new rule by the DGCA, which has fixed the LVTO at 150 metres for all the aircrafts, was preventing airlines from taking off when the visibility was 125 metres. "Now, we cannot take-off until the visibility is more than 150 metres, even if we are capable of taking off when the runway visibility is just 125 metres," said a pilot with the national carrier, Air India.

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