This manual contains a comprehensive description for the Very High Frequency (VHF) Digital Link (VDL) Mode 4, notably the capabilities, technical characteristics, and modes of operation of VDL Mode 4. It complements the Standards and Recommended Practices for VDL Mode 4 as contained in Annex 10.

Terms of use of documents:

- Copying text - allowed;

- Saving parts of the document in png format - allowed;

- Document printing - prohibited;

- Downloading documents - prohibited;

All submitted documents have the status of official electronic copies.

The documents were provided by LLC "SZ RCAI" - the official trade representative of ICAO.

If you need more than 1 account, please contact us for special price offers: icao@standart.aero