Trinity House
Nautical Almanac
Transducer
Transducer
Track up
Track up
Tip
Tip
Tail, to
Tail, to
Sugar scoop
Sugar scoop
Stray current corrosion
Stray current corrosion
STIX
STIX
Stern-thruster
Stern-thruster
Steadily (in shipping forecast)
Steadily (in shipping forecast)
SSR
SSR
Sportsboat rule
Sportsboat rule
Spectra
Spectra
Sonar
Sonar
Solid laminate
Solid laminate
Solent stay
Solent stay
SOLAS V
SOLAS V
SOG
SOG
Soft shackle
Soft shackle
Snuffer
Snuffer