Details

Title
AIDS TO NAVIGATION
Use for
NAVIGATIONAL MARKERS
LIGHTHOUSES
BUOYS
PHARES
BOUEES
FAROS
BOYAS
وسائل معينة للملاحة
الوسائل المعينة للملاحة
Narrower term(s)
WATERWAY SIGNS AND SIGNALS
See also
MARITIME SERVICES
NAUTICAL CHARTS
MARITIME TRAFFIC
GLOBAL POSITIONING SYSTEMS
NAVIGATION
NoteDevices or systems, external to a vessel, intended to assist a navigator to determine position or safe course or to warn of dangers or obstructions to navigation. For onboard navigational aids, use NAUTICAL CHARTS or NAUTICAL INSTRUMENTS.
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