plural of navigation

Quality of being navigable.

So as to permit navigation.

plural of navigability

Former name of Samoa (“island group”).

the science and technology of determining the position of an aircraft with respect to the surface of the earth and accurately maintaining a desired course

The determination of the three-dimensional position and velocity of a spacecraft (relative to a frame of reference)

(nautical) Synonym of nautical chart (“maritime map showing characteristics which are relevant for seafarers”)

plural of navigational chart

(nautical) Navigation by using the positions of the stars and other heavenly bodies.