noun
Meaning 1
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.
Definition source: English Wiktionary via Wiktextract
Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided