antenna
atwork
boat
captain
caucasian
chief
chief mate
colreg
communication
connection
distress
distress report
equipment
european
gmdss
incident
lookout
male
man
marine
maritime
master
mate
navigation
occipied
ocean
officer
opensea
safety
safetyatsea
sea
ship
shore
speaker
transmission
transmit
vessel
vhf
watch
weather
working