New Delhi, Jan. 9 -- The Aircraft Accident Investigation Bureau (AAIB) on Thursday recommended installing systems to record video and background communications of controllers on duty in air traffic control towers at all international airports. The recommendation has been made by the probe agency in its preliminary report into the November 23 incident at the Indira Gandhi International Airport (IGIA) when an Ariana Afghan Airlines Airbus A310-304 operating flight FG311 from Kabul mistakenly touched down on a runway designated for departures rather than the assigned landing strip. The aircraft had been cleared by Delhi ATC to land on Runway 29L, which was in use for arrivals at the time. However, the aircraft instead landed on the nearby Runway 29R, which was configured solely for take-offs during the operation. "AFG311 landed on an unassigned RWY 29R at 063622 UTC despite receiving clearance for RWY 29L," the AAIB said in its report. To analyse controller's actions, post incident/ accident, it is recommended that ATC units be equipped with devices to record video and background communications of controllers performing ATC duties in Tower....