Some of the pilots from that era still talk about the climb performance of those hot rods!
Indeed . . . on positioning (empty) flights the rate of climb of these 'GT' aircraft surprised ATC - more than once came the challenge 'confirm you are a Boeing 767?'
'AA & 'AB were initially operated by Britannia for Aruba Airways (flying Amsterdam to Aruba). Here's a (photoshopped) image of 'AA at the end of its life.