VHF Datalink (If Installed) (procedures require ATC datalink)

23-20-04C	VHF Datalink (If Installed) (procedures 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 require FANS B aircraft capability
- CPDLC for operations that require 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 require FANS B CPDLC
- RCP 240 for operations that require 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.

Alternate procedures for ATC communications:
- ATC permits the use of voice communication for operations that require FANS B aircraft capability
- ATC may permit the use of alternate communication means for operations that require FANS A aircraft capability via VHF datalink.

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 operations that require CPDLC
- RSP 180 for ADS-C.

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

Alternate procedures for ATC communications:
- ATC permits the use of voice communication for operations that require FANS B aircraft capability
- ATC may permit the use of alternate communication means for operations that require FANS A aircraft capability via VHF datalink.