 In May 1957, the newly formed Sudan Air Force ordered four T.53 armed variant; two were lost in accidents shortly after delivery, a further three were bought in 1959, followed by five former RAF aircraft.Former RAF aircraft were delivered to Royal Air Force of Oman as armed T.52 variants.In 1955, the Royal Iraqi Air Force ordered 15 armed Provost T.53s, with the first delivered in May 1955.