The Indian Air Force had to scramble a Mirage2000 fighter to check on an airliner after it lost communications with air traffic control.
“KT211 AMD Mirage 2000TH Indian Air Force (8414614218)” by aeroprints.com. Licensed under CC BY-SA 3.0 via Wikimedia Commons.
The Alliance Air ATR’s communication systems failed during the flight to Delhi from Allahabad.