Originally Posted by
Nevjets
Some airline have SELCAL in which they are required to monitor that frequency. My airline used to have SELCAL until they got cheat about 7 years ago.
Yes, but most airplanes today have three radios...
1. ATC
2. Guard
3. Data (SELCAL/ACARS)
If you only have two radios, then you'll need company or data on com 2.