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Dropped and left on the ground, the Supply Signal is gone after 1 hour.
Crates, barrels and NPCs that drop the Supply Signal, most likely first
| From | Chance | Amount |
|---|---|---|
 Elite Crate | 3.7% | 1 to 3 |
| Scientist PT Boat Dry Box | 3.5% | 1 to 3 |
 Locked Crate | 1.4% | 1 |
Missile Silo Scientist (underground) | 1.4% | 1 |
 Military Crate | 1% | 1 |
 Underwater Lab Military Crate | 1% | 1 |
 Wagon Military Crate | 1% | 1 |
Scientist | 0.36% | 1 |
Heavy Scientist | 0.29% | 1 |
 Gingerbread Mine Present, Christmas event only | 1% | 1 |
Chance is for one container opened or one NPC killed. Amount is how many it holds when it holds any.
In Rust, Supply Signal is a tool in the Tools category (item ID #1397052267, console shortname supply.signal). In active play, it follows standard server rules for tool gear across procedural maps. Inventory storage holds a single unit per slot, and uncollected ground drops despawn after 1 hour.
Purple signal smoke. Use to mark a location for an airdrop.
In Rust, Supply Signal has no player crafting recipe; acquisition relies on 9 world loot tables read from the Rust game files. Monument recyclers do not break this item down into raw components, while it serves its dedicated role inside the Tools catalog. Equipped and stored units carry no durability wear bar.
When comparing Supply Signal against related tools in Rust, prioritize farming its highest-probability monument containers or recycling surplus components at an unpowered radtown green recycler (fifty percent base yield, versus forty percent at safe-zone yellow units) because this item cannot be crafted at a player workbench.
| Item | Category | Stack Limit | Craft / Source | Tech Tree / Research | Green Recycler Yield |
|---|---|---|---|---|---|
| Supply Signal | Tools | 1 per slot | World loot / gather | No blueprint | Not recyclable |
| Boat Building Plan | Construction | 1 per slot | Workbench Level 1 | 30 node / 120 path | Not recyclable |
| Water Bucket | Tools | 1 per slot | Crafted by hand | 15 node / 15 path | Not recyclable |
| Building Plan | Construction | 1 per slot | Crafted by hand | 10 scrap (Table) | Not recyclable |
To compare Supply Signal against every item in its inventory category, browse All 36 items in Tools.
The Supply Signal drops from 9 container and NPC loot tables in Rust, led by Elite Crate (3.7% chance), Scientist PT Boat Dry Box (3.5% chance), and Locked Crate (1.4% chance). Each listed probability reflects a single container opened or NPC killed, and found copies can be repaired or researched at base.
The Supply Signal is limited to 1 unit per slot in Rust, so each copy takes its own slot in a 24-slot player inventory, 6-slot belt, or 48-slot large wood box. Across 36 Tools entries, it carries ID 1397052267 and despawns after 1 hour.
The Supply Signal remains on the ground for 1 hour (3,600 seconds) before despawning on a default Rust server. Picking it back up into an inventory (up to 1 per slot) or storage box resets that timer under the Tools category (item ID 1397052267).
The Supply Signal belongs to the Tools category (36 published items, 28 with crafting blueprints) and sits in the tool display family alongside 35 other tools items in Rust. For server administration and conveyor filters, it uses shortname supply.signal and item ID 1397052267.
The Supply Signal has 32-bit signed item ID 1397052267 and shortname supply.signal in Rust. Server plugins, custom loot tables, Vending Machine listings, and automated Industrial Conveyor filter strings reference these two identifiers under the Tools category (stack limit 1 unit per slot).
Server administrators in Rust spawn the Supply Signal in the F1 developer console by typing inventory.give supply.signal 1 or inventory.giveid 1397052267 1 for a single unit. Both console spawn commands work only on dedicated or local worlds where your Steam account holds administrator or moderator privileges.