<p>Three flights averted a possible danger when radio communication between the pilots and the Netaji Subhas Chandra Bose International Airport here snapped for 11 minutes.<br /><br /></p>.<p>Airport officials today said three high frequency communication channels used for voice interaction did not function between 9.17 AM and 9.28 AM yesterday.<br /><br />A Delhi-Kolkata GoAir flight took off and attained a height of 6000 ft while two Jet Airways flight from Port Blair and Delhi were ready to land during that period.<br /><br />The Jet Airways flight from Delhi was at an altitude of 8,000 ft and that from Port Blair was 7,000 ft above the city then.<br /><br />The planes were visible in the monitor of the ATC radar but telephone communications with pilots regarding alteration of heights were not possible posing a major safety threat, the officials said.<br /><br />The ATC could restore contacts with the flights via an emergency frequency after four minutes and the pilots were asked to remain at their respective heights.<br /><br />The system was fully restored 11 minutes later, the officials said adding several planes ready for departure were delayed due to the communication system snag.<br /><br />The airport's Regional Executive Director Suddhasatwa Bhaduri said the communication channels got disturbed for a brief period as upgradation of ATC towers is going on.</p>
<p>Three flights averted a possible danger when radio communication between the pilots and the Netaji Subhas Chandra Bose International Airport here snapped for 11 minutes.<br /><br /></p>.<p>Airport officials today said three high frequency communication channels used for voice interaction did not function between 9.17 AM and 9.28 AM yesterday.<br /><br />A Delhi-Kolkata GoAir flight took off and attained a height of 6000 ft while two Jet Airways flight from Port Blair and Delhi were ready to land during that period.<br /><br />The Jet Airways flight from Delhi was at an altitude of 8,000 ft and that from Port Blair was 7,000 ft above the city then.<br /><br />The planes were visible in the monitor of the ATC radar but telephone communications with pilots regarding alteration of heights were not possible posing a major safety threat, the officials said.<br /><br />The ATC could restore contacts with the flights via an emergency frequency after four minutes and the pilots were asked to remain at their respective heights.<br /><br />The system was fully restored 11 minutes later, the officials said adding several planes ready for departure were delayed due to the communication system snag.<br /><br />The airport's Regional Executive Director Suddhasatwa Bhaduri said the communication channels got disturbed for a brief period as upgradation of ATC towers is going on.</p>