Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| airmanship | skill in piloting or navigating aircraft. |
| antiradar | designed to foil radar; (noun) a device designed to foil radar. |
| astrocompass | a navigational instrument for giving directional bearings from the centre of the earth to a particular star. |
| astronavigation | the navigation of aircraft, spacecraft or sailing craft by means of observation of the stars. |
| astronavigator | one who practises astronavigation. |
| avigator | one that navigates an aircraft. |
| buoy | a floating secured mark, serving as a guide or as a warning; (verb) to mark with buoys. |
| circumnavigable | able to be circumnavigated. |
| diaphone | a siren-like fog signal. |
| innavigable | that cannot be navigated. |
| innavigably | (Adv.) INNAVIGABLE, that cannot be navigated. |
| lidar | a system of using lasers in the same way as radar. |
| lighthouse | a structure (as a tower) with a powerful light that gives a continuous or intermittent signal to navigators. |
| loran | acronym for long-range radio navigation system. |
| nav | (Short for) navigation. |
| navaid | any of the electronic devices designed to aid navigation in a ship or aircraft. |
| navar | a system of air navigation. |
| navarho | a low-frequency, long-range radio navigation system for aircraft. |
| navigable | that can be navigated. |
| navigably | (Adv.) NAVIGABLE, that can be navigated. |
| navigation | the act or practice of navigating. |
| navigational | relating to navigation. |
| navigationally | (Adv.) NAVIGATIONAL, relating to navigation. |
| navigator | a person who navigates or sails. |
| omnirange | a system of radio navigation. |
| portolan | (Ital.) in the Middle Ages, a navigation manual. |
| portolano | (Ital.) in the Middle Ages, a navigation manual. |
| portulan | (Ital.) in the Middle Ages, a navigation manual. |
| racon | a radar beacon. |
| radar | an electronic locating device. |
| radarscope | an instrument for detecting radar signals. |
| radiophone | an instrument for producing sound by radiant energy. |
| radome | a protective housing for radar antenna. |
| satnav | (Coll.) satellite navigation. |
| seacraft | skill in navigation, seamanship etc. |
| seamanship | the art or skill of handling, working, and navigating a ship. |
| sextant | a navigational instrument having a 60-degree arc, for measuring altitudes of stars and planets. |
| shoran | a system of navigation in an aircraft or other vehicle using the measurement of the time taken for dispatched radar signals to return from two known fixed points. |
| sonar | an underwater locating device. |
| sonarman | a person who operates sonar equipment. |
| sonobuoy | sonar equipment dropped to float on the sea and pick up underwater noise eg of a submarine. |
| sparker | a powerful form of sonar apparatus used to investigate solid structures underlying sediment on the seabed. |
| tacan | an electric system of air navigation. |
| teleran | an air-traffic control system, in which ground based radar screen is televised to pilots. |
| unnavigated | not navigated. |