lateral navigation

Also found in: Acronyms.

lateral navigation (LNAV)

A function of RNAV (area navigation) equipment that calculates, displays, and provides lateral guidance to a profile or a path.
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References in periodicals archive ?
LOC Localizer: A ground-based radio signal providing precise lateral navigation. An approach based on a runway-aligned localizer.
Localizer Precision with Vertical guidance, Lateral NAVigation with Vertical navigation, Lateral NAVigation with advisory Vertical guidance, or just Lateral NAVigation.
Akin to most non-precision "dive and drive" approaches, these minimums assume that your unit only provides lateral navigation guidance and that it need only meet the classic GPS-signal tolerances.
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