which spacing or channel ????
There s an ICAO phraseology for that
*
Advise 8.33 eqipped * ,he replies- *
Affirm 8.33* or *
Negative 8.33*or exempted ....
Same for RVSM you say
*
Confirm RVSM approved*,pilot replies*
Affirm or Negative RVSM *
Really annoying to listen to*
advice 8.33 spacing capability*and the pilot goes *say it again?*,and again and again...