General operating procedures

1. 090-02-01 Transmitting letters, numbers and time planned

   Transmission of letters · Transmission of numbers (including level information) · Transmission of time

2. 090-02-02 Transmission technique and standard phraseology planned

   Transmission technique · Standard words and phrases (relevant RTF phraseology included)

3. 090-02-03 Call signs and transfer of communication planned

   R/T call signs for aeronautical stations including use of abbreviated call signs · R/T call signs for aircraft including use of abbreviated call signs · Transfer of communication

4. 090-02-04 Radio checks, read-back and acknowledgement planned

   Test procedures including readability scale · Read back and acknowledgement requirements