Halcyon (1933) and Skipjack (1934)
Scale 1:48. Plan shows the sections design drawing for the Halcyon class sloop minesweepers Halcyon (1933) and Skipjack (1934). The drawing bears the signature of Arthur W. Johns [Director of Naval Construction 1930-1936]. The plan shows the sections at frames 13, 27, and 48 looking forward. The drawing shows the sections at frames 61, 74, 86, 96 and 101 looking aft. The title of the plan is "Sloop Minesweeper for 1931 Programme".