Air Traffic Control Clearance Omni-Directional Range 
WayMan
JUNE 16, 2025
The main collection, commonly known as the “six-pack,” gives the primary flight parameters: Airspeed Indicator (ASI): Airspeed Indicator shows the speed of the aircraft with respect to the surrounding air mass, an important parameter for all flight phases.
Pilot Institute
MARCH 6, 2025
FAA Federal Aviation Administration The FAA is the US federal government agency in charge of aviation standards, air traffic control, airspace safety, and the certification of personnel and aircraft. In contrast to a control tower, an FSS is not responsible for giving instructions or clearances to aircraft.
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