aids to navigation

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aids to navigation

Scope note: Man-made objects such as buoys, lighthouses, lightships, Loran and other electronic systems, which aid mariners in determing position of safe course.

BT [object genres by function]

300262796

aids to navigation

NT6 300007739 beacons [+~]
- NT7 aeronautical beacons [+~]
  - NT8 airport beacons
  - NT8 airway beacons
  - NT8 landmark beacons
  - NT8 obstruction beacons
- NT7 lighthouse lamps
- NT7 lightships
NT6 300007741 lighthouses
NT6 300256965 navigational instruments [+~]
- NT7 compasses (direction indicators) [+~]
  - NT8 mariners' compasses
  - NT8 surveyors' compasses
  - NT8 sun compasses
  - NT8 star compasses [+~]
    - NT9 kāpehu whetū
- NT7 gyrocompasses
- NT7 sextants
- NT7 alidades
- NT7 sounding devices
- NT7 [temporary alphabetical list: navigational instruments] [+~]
  - NT8 beacon receivers
  - NT8 aircraft beacons
  - NT8 compass gimbals
  - NT8 course correctors
  - NT8 distance finders
  - NT8 driftsights
  - NT8 echometers
  - NT8 direction finders
  - NT8 global positioning receivers
  - NT8 foghorns
  - NT8 horizon glass shades
  - NT8 index shades
  - NT8 height-range indicators
  - NT8 log reels
  - NT8 loran receivers
  - NT8 mariner's astrolabes
  - NT8 palinurus
  - NT8 peloruses
  - NT8 navigational equipment [+~]
    - NT9 navigational instrument cases
    - NT9 navigational markers
    - NT9 navigational scales
    - NT9 navigational telescopes
    - NT9 navigator's boards
  - NT8 nocturnals
  - NT8 octant cases
  - NT8 oscillometers
  - NT8 reflecting circles
  - NT8 position indicators
  - NT8 quadrant telescopes
  - NT8 radar antennas
  - NT8 radar receivers
  - NT8 radio compasses
  - NT8 radio direction finders
  - NT8 tracking receivers
  - NT8 sceptre recorders
  - NT8 sextant cases
  - NT8 sextant shades
  - NT8 sextant telescopes
  - NT8 wrist compass
  - NT8 sondographs
  - NT8 sounding leads
  - NT8 sounding tubes
  - NT8 spherographs
  - NT8 yaw meters
  - NT8 zenometers
  - NT8 star finders
  - NT8 station pointers
  - NT8 telltale compasses
NT6 300262797 buoys [+~]
- NT7 mooring buoys
NT6 300262911 light stations

Català instrument d'ajuda a la navegació
Castellano instrumentos naúticos

Date of creation: 03-Feb-2025

Accepted term: 03-Feb-2025