VHF Datalink (If Installed) (procedures do not require ATC datalink)

23-20-04B	VHF Datalink (If Installed) (procedures do not require ATC datalink)

Applicable to: -

- Flight Preparation/Limitations

If SATCOM datalink is operative:

Within VHF coverage:

The following ATC datalink communications are not available:
- CPDLC for operations that use FANS B aircraft capability
- CPDLC for operations that use FANS A aircraft capability via VHF datalink, unless SATCOM datalink is permitted as an alternate subnetwork.
The following ATC datalink Required Communication Performance capabilities are lost:
- Initial Continental Performance for operations that use FANS B CPDLC
- RCP 240 for operations that use FANS A CPDLC, unless SATCOM datalink is permitted as an alternate subnetwork.

For more information on aircraft capability on ATC datalink communication, Refer to FCOM.

If SATCOM datalink is inoperative:

The following ATC datalink communications are not available:
- ADS-C, CPDLC, DCL, OCL, D-ATIS
The following ATC datalink Required Communication / Surveillance Performance capabilities are lost:
- RCP 240 / Initial Continental Performance for CPDLC
- RSP 180 for ADS-C.

For more information on aircraft capability on ATC datalink communication, Refer to FCOM.