approach navigation

approach navigation

[ə′prōch ‚nav·ə′gā·shən]
(navigation)
The navigation operation which must be performed in the proximity of an airport or harbor by an aircraft or ship when proceeding to terminal or dock.
References in periodicals archive ?
An RNAV function that computes, displays, and provides horizontal approach navigation without approved vertical guidance.
An RNAV function that computes, displays, and provides both horizontal and approved vertical approach navigation.
An RNAV function requiring WAAS, using a final approach segment (FAS) data block, which computes, displays and provides both horizontal and approved vertical approach navigation to minimums as low as 200-foot ceiling and 1/2-mile visibility.
Whether you're flying an RNAV/ GPS approach or using an IFR approach-certified GPS to supplement ground-based approach navigation such as an ILS, chances .
This means that, for some reason, the approach navigation signal may be momentarily blocked at one or more points on the approach, introducing momentary cockpit indicator variations.