Originally built as a single-seat FB.50 and delivered to the Swedish Air Force as a J28B. Converted to a two-seat trainer in 1959 and redesignated Sk28C-3. Around 1980 it was donated to the Royal Norwegian Air Force Museum where it intially was painted in 336 Skv colours. In 2012 it was on display as a training aircraft with 337 Skv. The squadron had 6 T.55s on strength between 1952 and 1956. They were coded ZK-1 to ZK-6. ZK-7 was given to the displayed aircraft as it never served in the RNoAF. The original Vampires were returned to the original owner, the RAF, as a gift in 1956.

Delivered to the Swedish Air Force as a single seat J28B. Converted to a two seat Sk28C3 in 1959. To the museum by 1982 and painted into Norwegian markings. Moved to Sandefjord-Torp in 2022.

Built at Chester in 1950 as single-seat J28B serial 28266 and supplied to Sweden. Converted in Sweden in 1957 with a new twin-seat nose pod from Chester to Sk28C advanced trainer stutus. It flew with F5 with individual code '97'. The c/n quoted for this composite aircraft was created by the Swedish A.F. Obtained from Sweden over 40 years ago.