New Delhi, Jan 6 (UNI) Several incoming and outgoing flights were delayed for the fourth consecutive day today due to low visibility at the both the international and domestic airports here.
Airport sources said as many as 25 flights were delayed to the dip in the visibility today.
However, there were no cancellations though a Kingfisher flight was diverted to Jaipur, they added.
The sources said segregated use of both the runways at the Indira Gandhi International Airport started after 1700 hrs when the Runway Visual Range (RVR) reached 2600 meters.
RVR is the distance over which an aircraft pilot could see the runway surface markings.
The sources said from 2200 hrs last night till 1700 hrs today, only single runway, the primary one (28/10), was in use.
''All CAT 1 operations took place during safeguard and Low Visibility Procedure (LVP) period,'' they added.
The sources said safeguard procedure was initiated at 0805 hrs this morning after the RVR dropped to 1300 metres.
The LVP was implemented at 0848 hrs this morning when the RVR dropped further to 725 metres, they added.
The LVP was terminated at 1145 hrs when the RVR rose to 1400 metres, the sources said, adding the safeguard procedure was called off at 1200 hrs after the RVR climbed to 1900 metres.
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