From memory (a poor source nowadays!) the Pakistan Air Force acquired their Attackers at the same time, mid 50s, as their Bristol Freighters (Frighteners). These two types were the major contributors to the National Day celebration fly-past and, (possibly apocryphal), many fewer returned to Mauripur than set off! Bazaar gossip referred to a 'formation crash'! Same source reported the purchase prices to have been 10d each for the Frighteners and a shilling each for the Attackers. It was generally thought that the sellers had done well