AGL Instrument Flight Rules True Airspeed 
Flight Training Central
FEBRUARY 17, 2024
AIM 5-3-3 ) Change in the average true airspeed (at cruising altitude) when it varies by 5 percent or 10 knots (whichever is greater) from that filed in the flight plan. ( AIM 5-3-3 ) The time and altitude or flight level upon reaching a holding fix or point to which cleared. (
Universal Weather
APRIL 9, 2024
Requirements apply only to instrument flight rule (IFR) flights and only for aircraft with a maximum takeoff weight (MTOW) of 5700 kg (12,566 lbs.) or greater and/or max cruising true airspeed (TAS) greater than 250 knots (kts). For more information, see AIC 81/22. Europe ADS-B is mandated for all aircraft.
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