The English Electric Canberra T.4 flew in June 1952, and the B(I)8 in 1955. No 12 Squadron operated both versions, and the first delivery to South Africa took place in 1963.
Powered by two Rolls Royce Avon 101 turbojets of 2954 kg (T4) and two Rolls Royce Avon 109 turbojets of 3357 kg in the case of the B(I)12, the top speed was 580 mph, the aircraft has a wingspan of 19.5 meters, a height of 4.77 metres and a length of 19.9 meters.