6d. by post) AIRCRAFT INSTRUMENT MANUAL by E. H. J. Pallett. A.R.Ae.S.. Assoc.S.L.A.E.T., M.I.N. Covers in question and answer form the operating principles, construction and maintenance of ... Equipment Ltd. (123) The most interesting helicopter item on this stand, which will be combined with that of Rotax Ltd., is theanbsp;...