Is a "T" (Tango) prefix required before the registration number for Part 135 flights?

Lnafziger
  • Is a "T" (Tango) prefix required before the registration number for Part 135 flights? Lnafziger

    After September 11th, the FAA required all Part 135 air carrier flights to prefix their registration number with a "T" and use the "Tango November" prefix on the radio.

    Every once in a great while (about once to twice a year) I still hear someone doing this, but surely there are more 135 flights than this.

    Is it (or was it ever) required to use the "T" prefix for Part 135 flights?

  • AIM 4-2-4, part A.

    4. Air Taxi or other commercial operators not having FAA authorized call signs should prefix their normal identification with the phonetic word "Tango."

    EXAMPLE- Tango Aztec Two Four Six Four Alpha.

    It was pre-911 but not often used. It is just a way for operators who have no callsign to let ATC know that they are a charter operation. If appropriate, it may be dropped after initial contact, just like shortening your tail number.

Related questions and answers
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