RAF (DHFS) Bell 412EP Griffin HT1 ZJ707 c/n 36156 & ZJ240 c/n 36163 made a brief visit to Halfpenny Green as Spectre Formation. ZJ240 was one of the RAF Griffins that that has been equipped with floats and winch and operated by SARTU, Search And Rescue Training Unit at RAF Valley. Although the floats and winch had gone for its visit to Halfpenny Green, it still sported the special 50 years of SARTU badges on the nose and tail.