non-precision approach

English

Alternative forms

• nonprecision approach

Noun

non-precision approach (plural non-precision approaches)

1. (aviation) An instrument approach using a guidance system that provides only horizontal, and not vertical, guidance (such as VOR, NDB, or localizer navigation), requiring the pilot to manually maintain terrain clearance by flying at a predefined safe altitude for each segment of the approach by reference to their altimeter.

Antonyms

• precision approach