Originally intended GUCCC pairing with butty 353, Scales. 'V' bottomed hull.
1940s - shortened to 40' (Sextans is also listed in the GUCCC section.)
1950s - re-named Sextant no. 89 by BWB
1960s - named Hesperus when used as a hire boat.
1980s - lengthened to 50' and re-named Sextans. Engine changed to 2 cyl Lister.