shipboard system

NOUN
16 LETTERS · STARTS WITH S

shipboard system is a valid 16-letter word worth 28 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1H4I1P3B3O1A1R1D2S1Y4S1T1E1M3
1 + 4 + 1 + 3 + 3 + 1 + 1 + 1 + 2 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does shipboard system mean?