Altimeter Flight Plan Primary Flight Display 
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.
Professional Pilot
APRIL 3, 2025
Challenger 604, G-IV Contributing Writer Honeywell Primus Epic F ederal Aviation Regulation (FAR) 91.205 prescribes the minimum instruments and equipment necessary for flight. As the flying environment grows more complex such as under instrument flight rules (IFR) additional instrumentation becomes critical.
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