No.	In Service	Withdrawn	Condition
CK 1	12 August 1949		Converted to X 1 - 22 December 1958
CK 2	18 August 1949		Converted to X 2 - 17 December 1958
CK 3	15 January 1952		Converted to X 3 - 12 November 1958
CK 4	15 January 1952		Converted to X 4 - 19 December 1958
CK 5	21 April 1952		Converted to X 5 - 20 April 1959
CK 6	4 June 1952		Converted to X 6 - 16 February 1959
CK 7	3 July 1952		Converted to X 7 - 22 December 1958