'KP' (i) was the designation of Allied convoys (together with a numerical suffix) plying the route from Key West, Florida, to Pilottown, Mississippi, and as such reciprocals of the 'PK' series (September 1942/January 1943).

This 'Key West to Pilottown' series began with the PK.101 convoy of 9/12 September 1942 with the 5,771-ton US Alpha, 2,256-ton Dutch Bacchus, 1,712-ton British Colister, 5,107-ton British Director, 3,317-ton US Hamlin F. McCormick, 1,445-ton US Hibueras, 7,138-ton US L. V. Stanford and 1,695-ton US Steelmotor, and ended with the KP.437 convoy of 26/29 January 1943 with Castor, 1,255-ton Panamanian Denny, 5,137-ton British Eskbank, 3,3178-ton US Hamlin F. McCormick, 3,129-ton US Helen, Dutch Hermes, 4,083-ton Panamanian Moldova, 1,824-ton Dutch Pygmalion and 6,425-ton US Roanoke.