Create Aeronautics: Harness
Java mod listed for Minecraft 1.21. File opened and checked on 14 Oct 2026; downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21.1 on NeoForge. On other versions it may install and then do nothing.
This mod requires Create Aeronautics.
Highlights
Allows players to mount Create Aeronautics objects onto their back.
Objects move together with the player when placed on the special intermediary block between the player and the object.
Equip with Shift + Right‑Click, and dismount with the default H key.
Enables wild setups like firing a cannon straight from your back — a true mega launcher experience.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as CreateAeronauticsHarness-1.21.1-1.0.1.jar — drop this file into the mods folder
- Download size: 528 KB
- Download link checked 4 Oct 2026 — working
These come from our own check of the pack file, not from the source page.