Flt.Lt. G.R.Bryce OBE was CTP Vickers Armstrongs until 1964 so could not possibly have died in the prototype One Eleven crash in 1963.
Lt.Cdr. M J Lithgow RN OBE DSC was piloting the ill fated One Eleven in 1963.
Do not believe everything you see on the internet, even on this forum!