Haven't a clue, I would join in the appreciation of MIMA (and also OJET). My mother and her second husband lived in Castletown for 26 years and I too started with the Viscount from LHR and include the ATP from LTN and, once, a 360 from LPL into Ronaldsway.
SMT Member - in the loo for takeoff??? It would have been uncomfortable in any kind of a prang but, those were the days!!