The first of three P.1Bs. A founder member of the RAF Museum when it opened in September 1972 and seen here just over a year later. Replaced by Lightning F.6 XS925 in 1988. Narrowly avoided scrapping, passed into private hands and remained dismantled in Kettleburgh, Suffolk in 2018.

XA847 was the first of three P.1Bs which followed two P.1As and was much closer in shape to the production Lightning design. Maiden flight 4.4.57 at Warton piloted by Roly Beamont; on 25.11.57 became the UK's first aircraft to exceed Mach 2. After a long career at Boscombe Down and Farnborough trialling various Lightning upgrades, retired to Henlow in 6.69 after 468 flights/205 hrs and placed on display at the RAF Museum in 1972 but ousted by a Lightning F.6 in 1988. Narrowly avoiding scrapping, passed into private hands and remains dismantled in Suffolk

The first P1B test aircraft with the initial short fin with curved top. This type was not named "Lightning" until 1958. Demonstrating at the 1957 Farnborough Air Show equipped with long probes.