No.	In Service	Withdrawn	Condition
MBS 1			Converted from BS 2 (1st) - 28 January 1966. Converted to BS 13 (2nd) - December 1983
MBS 2			Converted from BS 3 (1st) - 28 January 1966. Converted to BRS 227 - 24 October 1983
MBS 3			Converted from AS 9 - 1 October 1968. Converted to BRS 9 - 25 October 1983