Unit 1 general introduction to marine navigation Unit 2 ship's certificates Unit 3 ship's papers Unit 4 seaman's certificates Unit 5 deck logbook-general information Unit 6 specimens of deck logbook Unit 7 engine room logbook Unit 8 note of sea protest and accident report Unit 9 international safety management code(1) Unit 10 international safety management code(2) Unit 11 international maritime organization Unit 12 classification society Unit 13 ship canals Unit 14 PSC inspections Unit 15 security of ships and of port facilities