Mumbai, April 23 -- On Monday (April 21) morning, Air India staff at the city airport waved goodbye to one of their last 'Queen of the Skies' the iconic Boeing 747 aircraft that served the airline for almost five decades operating commercial, VVIP and evacuation flights.

As the double-decker plane took to the Mumbai skies enroute to the US, a 'wing wave' maneuver also marked the end of an era for Air India, which started flying in 1932 and is now owned by the Tata Group.

'Wing wave' is a dip of the aircraft from one side to the other in the air that is generally done for retiring aircraft.

The Boeing 747 has operated various important flights for Air India, including two medical evacuation flights to Wuhan in China during the early day...