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  2. Instrument flight rules - Wikipedia

    en.wikipedia.org/wiki/Instrument_flight_rules

    In the United States, instruments required for IFR flight in addition to those that are required for VFR flight are: heading indicator, sensitive altimeter adjustable for barometric pressure, clock with a sweep-second pointer or digital equivalent, attitude indicator, radios and suitable avionics for the route to be flown, alternator or ...

  3. Instrument rating in the United States - Wikipedia

    en.wikipedia.org/wiki/Instrument_Rating_in_the...

    Candidates for the instrument rating must be knowledgeable in IFR-related items in the AIM, the U.S. ATC system and procedures, IFR navigation, the use of IFR charts, aviation weather, requirements for operating under IFR conditions, recognition of critical weather, Aeronautical Decision Making (ADM) and Crew Resource Management (CRM).

  4. Instrument rating - Wikipedia

    en.wikipedia.org/wiki/Instrument_rating

    Instrument rating refers to the qualifications that a pilot must have in order to fly under instrument flight rules (IFR). It requires specific training and instruction beyond what is required for a private pilot certificate or commercial pilot certificate, including rules and procedures specific to instrument flying, additional instruction in meteorology, and more intensive training in flight ...

  5. Visual flight rules - Wikipedia

    en.wikipedia.org/wiki/Visual_flight_rules

    If they are not met, the conditions are considered instrument meteorological conditions (IMC), and a flight may only operate under IFR. IFR operations have specific training requirements and certification required of the pilot, and increased equipment requirements for the aircraft. Additionally, an IFR flight plan must usually be filed in advance.

  6. Pilot licensing and certification - Wikipedia

    en.wikipedia.org/wiki/Pilot_licensing_and...

    When flying in these conditions, pilots follow instrument flight rules (IFR). The training provides the skills needed to complete flights with less than the VFR minimum requirements. In the US, all pilots who fly above 18,000 feet above mean sea level (MSL) (a lower limit of Class A airspace) must have an instrument rating, [2] and must be on ...

  7. Airspace class (United States) - Wikipedia

    en.wikipedia.org/wiki/Airspace_class_(United_States)

    The FAA requirements for Class C airspace status are an operational control tower, a radar-controlled approach system, and a minimum number of IFR approaches conducted per year. The airspace class designation is in effect only during the hours of tower and approach operation at the primary airport; the airspace reverts to Class D if approach ...

  8. List of transponder codes - Wikipedia

    en.wikipedia.org/wiki/List_of_Transponder_Codes

    Instrument Flight Rules (IFR) flight below 18,000 ft ASL when no other code has been assigned. [7] ICAO: Non-discrete mode A code reserved use in mode S radar/ADS-B environment where the aircraft identification will be used to correlate the flight plan instead of the mode A code. [1] US: Used exclusively by ADS-B aircraft to inhibit mode 3A ...

  9. Automatic Dependent Surveillance–Broadcast - Wikipedia

    en.wikipedia.org/wiki/Automatic_Dependent...

    [2] [3] [4] ADS-B equipment is mandatory for instrument flight rules (IFR) category aircraft in Australian airspace; the United States has required many aircraft (including all commercial passenger carriers and aircraft flying in areas that required a SSR transponder) to be so equipped since January 2020; and, the equipment has been mandatory ...