I once got caaught in Hong Kong by a typhoon. among the other aircraft caught was aa BA vc-10 opeqrating something like Tokyo, Hong Kong, Seychelles, NAIROBI, joburg. BA also opearated Tokyo, Honolulu, San Fraancisco.\and night stopped in Honolulu (at BA expense A mixture of leftovers from the empire and range limitaations of early aircraft; for many yeara Nairobi ws THE fuel stop for everyone en route Europe-Southern Africa.