Saskatoon, sorry but you are wrong.
Taken from the Airbus A300 census website
>>quote
604 A300B4-605R CF6-80C2A5 04/26/91 MONARCH AIRLINES G-MAJS AG-
PR F-WWAX
540 A300B4-605R CF6-80C2A5 03/15/90 MONARCH AIRLINES G-MONR JQ-EH F-WWAT, VH-YMJ
556 A300B4-605R CF6-80C2A5 04/17/90 MONARCH AIRLINES G-MONS JQ-EK F-WWAY, VH-YMK
605 A300B4-605R CF6-80C2A5 05/03/91 MONARCH AIRLINES G-OJMR AG-PS F-WWAY
<<unquote
Clearly stated as all A300B4
B denotes pax aircraft. F and C denote cargo (ie, A300F4)