Fresh Class: GRT 283. Built 1940 - 1946. Freshbrook, Freshburn, Freshener, Freshet, Freshford, Freshlake, Freshmere, Freshpond, Freshpool, Freshtarn, Freshwater, Freshwell, Freshspring, Freshspray. Most RFA manned until 1946.
Spa Class Water carriers. Built 1941/6 at Dartmouth & Bristol. 500dwt. Initially RFA manned before reverting to PAS.
Spa A192. Spapool A222. Spabrook A224. Spabeck A227. Spaburn A257. Spalake A260
Water Class: GRT263. Built 1967 - 78. Watercourse Y15, Waterfowl Y16, Waterfall Y17, Watershed Y18, Waterspout Y19, Waterside Y20, Waterman A146.
Oilpress Class: GRT362. Built 1969. Oilpress Y21, Oilstone Y22, Oilwell Y23, Oilfield Y24, Oilbird Y25, Oilman Y26.