MAVFTP

MAVFTP supports common FTP operations including uploading, downloading, removing and creating files on the autopilot file system

The official mavlink.io documentation is here and contains the detailed sequence of messages that should be passed between the GCS/companion computer and autopilot

Common uses for using MAVFTP include:

• Uploading firmware to the autopilot

• Uploading Lua scripts

• Fast download of parameters, onboard logs, mission command files and rally points and terrain data