
August 1961
AC169 issued by NATO
October 1961
P1154 initial design study
January 1962
P1154 submitted to NBMR-3; two-seat P1154 drawn up for NBMR-3; P1154 selected for NBMR-3 (along with Mirage IIIV); OR345 scrapped in favour of a joint RAF/RN type; P1154 as submitted met RAF requirement
April 1962
P1154 with Pegasus 5 drawn up; OR356/AW406 requirements issued
May 1962
First P1154 study for RN to meet AW406, the naval aspects of joint requirement — folding nose with 34in diameter dish, variable ramp intakes; further study for a scaled-down P1154 was first design with tricycle undercarriage
August 1962