CAT IIIB operations

New Delhi, Dec 25, Delhi grappled with a thick blanket of dense fog on Monday, causing visibility to plummet to zero and leading to significant disruptions in flight operations at the Indira Gandhi International (IGI) Airport. The India Meteorological Department (IMD) issued a report indicating that very dense fog had descended upon the airport early in the morning, with the Runway Visual Range (RVR) on all runways registering between 125 to 175 metres. This compelled the implementation of CAT IIIB operations for both takeoffs and landings. “Very Dense fog with zero Visibility prevailing at Delhi IGI Airport since 0530 hrs…