2.2 Definitions & Acronyms

Topic Progress:

NAS – National Airspace System

AGL – Above Ground Level

MSL – Mean Sea Level

TFR – Temporary Flight Restriction

NOTAM – (Notice to Airmen) A notice containing information essential to personnel concerned with flight operations but not known far enough in advance to be publicized by other means. It states the abnormal status of a component of the National Airspace System (NAS)

ATIS – Automatic Terminal Information Service

CTAF – Common Traffic Advisory frequency

FCC – Federal Communications Commission