I might be able to help a little, having served 7 tours on Walter. 3 on 72, 2 on 28 and 1 each on 60 and 2FTS. I had the sad privilege to fly as the Crewman on the last Wessex flight in HK delivering them to the docks, was part of the Course Design Team at Benson that eventually became 60Sqn, and whilst serving on JATEU at Brize flew on 1 of the ex 84Sqn Cabs before they flew to Shawbury for disposal. Nearly 20 years in all and the best flying of my whole career.