major charter carriers
Britannia airways had just 737-200's for many years from about 1970/71 until the 767 came 1984
air2000 757's for many years from 1987 (a lone 733 for one year only joined the fleet 88/89)
and Virgin Atlantic had from 1984 -1993 solely PW JT9 powered 747-200 and -100 classics (finally 8 in total by 1990) the new 747-400 followed in 1994
but A340's began being delivered late 1993