—Information accurate as of: 904.83 Update
Supply Signals are throwable smoke grenades that are used to signal planes for a supply drop. They are not craftable.
When thrown, the grenade will emit purple smoke, and shortly after, a cargo plane will fly over and drop at least one airdrop package nearby where you dropped the grenade.
Obtaining
Supply Signals can be obtained from airdrops, small green 'Military Crates', and helicopters.
Notes
- Be careful when using the Supply Signal in heavily populated servers, as this could attract unwanted attention from bandits and looters. When having dropped a Supply Signal, you should probably hide in a bush approximate to the signal, and wait some time even after the drop landed on the ground. Then carefully check the area around it.
- The supply crate will drop within a 5 chunk radius in any direction of where the signal is thrown, but never exactly where the signal is.