Collins 618T-3 Airbourne HF set used in many RAF Aircraft

Collins 618T-3 on air for the VMARS special 100 centenary event of the RAF Run by Ex Pat Ian Underwood F4VSC himself an Ex RAF Man
This set last used in XR808, RAF VC-10 that made it's final journey to Bruntingthorpe from RAF Brize Norton, on Wednesday 25th September 2013, 618T-3 rescued from belly of Aircraft in Avionics bay before disposal to Aerospace Museum at RAF Cosford, Note I was lucky to fly on this Aircraft twice during the Mid 1970's to HKG via Gan and back to BZN as an Infantry man in HM 2nd Bn Grenadier Guards