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  2. Aeronautical Fixed Telecommunication Network - Wikipedia

    en.wikipedia.org/wiki/Aeronautical_Fixed...

    The message format of AFTN messages is defined in ICAO Annex 10 Aeronautical Telecommunications Volume II. [5] AFTN messages consist of a Heading, the Message Text and a message Ending. The message Heading comprises a Heading Line, the Address and the Origin.

  3. Convention on International Civil Aviation - Wikipedia

    en.wikipedia.org/wiki/Convention_on...

    Annex 19 – Safety Management (Since 14 November 2013) Annex 5, Units of Measurement to be Used in Air and Ground Operations , named in its Table 3-3 three "non- SI alternative units permitted for temporary use with the SI": the foot (for vertical distance = altitude ), the knot (for speed ), and the nautical mile (for long distance).

  4. Localizer performance with vertical guidance - Wikipedia

    en.wikipedia.org/wiki/Localizer_Performance_with...

    An LPV approach is an approach with vertical guidance, APV, to distinguish it from a precision approach, PA, or a non-precision approach, NPA. SBAS criteria includes a vertical alarm limit more than 12 m, but less than 50 m, yet an LPV does not meet the ICAO Annex 10 precision approach standard. [2]

  5. Aviation English - Wikipedia

    en.wikipedia.org/wiki/Aviation_English

    In 1951, the International Civil Aviation Organization (ICAO) recommended in "ICAO Annex 10 ICAO (Vol I, 5.2.1.1.2) to the International Chicago Convention" that English be universally used for "international aeronautical radiotelephony communications." [1] Despite being a recommendation only, ICAO aviation English was widely accepted.

  6. Aircraft emergency frequency - Wikipedia

    en.wikipedia.org/wiki/Aircraft_emergency_frequency

    ICAO Annex 10, Volume V, § 4.1.3.1.1 states "the emergency channel (121.5 MHz) shall be used only for genuine emergency purposes". A misuse of the frequency can result in punishment. In the United States, Federal Communications Commission (FCC) rules prohibit false distress calls and superfluous communications. If the FCC Enforcement Bureau ...

  7. Non-directional beacon - Wikipedia

    en.wikipedia.org/wiki/Non-directional_beacon

    NDBs used for aviation are standardised by the International Civil Aviation Organization (ICAO) Annex 10 which specifies that NDBs be operated on a frequency between 190 kHz and 1750 kHz, [2] although normally all NDBs in North America operate between 190 kHz and 535 kHz. [2] Each NDB is identified by a one, two, or three-letter Morse code ...

  8. Radiotelephony procedure - Wikipedia

    en.wikipedia.org/wiki/Radiotelephony_procedure

    Annex 10—Aeronautical Telecommunications, Volume II—Communications Procedures including those with PANS status, [22] [23] Procedures for Air Navigation Services—Air Traffic Management (PANS-ATM, ICAO Doc 4444) [24] ICAO Doc 9432 (AN/925) Manual of Radiotelephony. [25]

  9. Aviation call signs - Wikipedia

    en.wikipedia.org/wiki/Aviation_call_signs

    Commercial operators, including scheduled airline, air cargo and air taxi operators, will usually use an ICAO or FAA-registered call sign for their company.By ICAO Annex 10 Chapter 5.2.1.7.2.1 - Full call signs type C, a call sign consists of the telephony designator of the aircraft operating agency, followed by the flight identification.