By the time of the aircraft 's first flight on 14 April 1964 , de Havilland had lost their separate identity under Hawker Siddeley Aviation .
Papa India was delivered to BEA on 2 May 1964 .
By the time of the aircraft 's first flight on 14 April 1964 , de Havilland had lost their separate identity under Hawker Siddeley Aviation , and Papa India was delivered to BEA on 2 May 1964 .