You may have seen it already but Flight, 3 MAR 61 edition, made some interesting economic comparisons for the Guardsvan.
eg
TOTAL CQSTS PER SEAT-MILE (pence)
Viscount 200
701 sixty-three seats 3.7
802 seventy-two seats 3.9
Vanguard
951 one hundred and thirty-eight seats 3.6
953 one hundred and thirty-eight seats 3.8
Last edited by GOLF_BRAVO_ZULU; 23rd Jun 2013 at 07:07.