aids to navigation

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[object genres by function]
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
- 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 receiver
  - NT8 mariner's astrolabes
  - NT8 palinurus
  - NT8 pelorus
  - NT8 navigational equipment [+~]
    - NT9 navigational instrument cases
    - NT9 navigational markers
    - NT9 navigational scales
    - NT9 navigational telescopes
    - NT9 navigator's boards
  - NT8 nocturnal
  - NT8 octant case
  - NT8 oscillometer
  - NT8 reflecting circle
  - NT8 position indicator
  - NT8 quadrant telescope
  - NT8 radar antenna
  - NT8 radar receiver
  - NT8 radio compass
  - NT8 radio direction finder
  - NT8 tracking receiver
  - NT8 sceptre recorder
  - NT8 sextant case
  - NT8 sextant shade
  - NT8 sextant telescope
  - NT8 wrist compass
  - NT8 sondograph
  - NT8 sounding lead
  - NT8 sounding tube
  - NT8 spherograph
  - NT8 yaw meter
  - NT8 zenometer
  - NT8 star finder
  - NT8 station pointer
  - NT8 telltale compass
NT6 300262797 buoys [+~]
- NT7 mooring buoys
NT6 300262911 light stations

Català instrument d'ajuda a la navegació
Castellano instrumentos naúticos

Date of creation: 06-May-2024

Accepted term: 06-May-2024