Of great importance to the investigation at all stages was the the assistance and ready co-operation of South African Airways, which, through Mr Albert Boshoff, assisted by Mr J Prozesky, Mr T Kruger, Mr T Perfect and other technical personnel, played a vital role in organizing and conducting Operation Resolve, and in carrying out numerous other important investigations and tests.
The Board is likewise indebted to The Boeing Company for its unhesitating response to the innumerable requests for assistance and for the mass of technical information furnished from time to time.
Also deserving of the Board's appreciation are the S A Bureau of Standards, Capt A D van Heerden, who represented the International Federation of Airline Pilots Associations, and the counsel and attorneys who appeared at the hearings to represent interested parties. They were Mr B R Southwood, SC, with him Mr R W Nugent, instructed by Mr J N J van Rensburg, of Rooth & Wessels, Pretoria, who acted for the Board in presenting the evidence (Mr van Rensburg also acted as the Board's attorney); Mr S A Cilliers, SC, with him Mr L Bowman, instructed by Mr D E Jooste, of Bowman, Gilfillan, Hayman, Godfrey Inc., Johannesburg, and Mr Rex Browning of Attorneys Perkins, Cole, of Seattle, USA, for The Boeing Company; Mr C E Puckrin, SC, with him Mr C M Eloff, instructed by Mr P D de Wet, of Bowens, Johan-
