RAF Halton Open Day 1978. 1 SoTT - 1 School of Technical Training. There was a large fleet of JP's based at Halton for the engineering apprentices to practice on. XS210 was delivered to the RAF on 10 Feb 1964. WFU on 27 Sep 1972. To Halton for ground instruction as 8239M on 06 Aug 1973. Sold to Australia in Jul 1992.