DatapacksJava
aeronautics mass patch
Java data pack listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
small weight change for two blocks. Free Minecraft Java datapack for 1.21, 1.21.1.
⬇ Download on Modrinth
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 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 Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
File checked by MCModsHub
- Downloads as fix.zip
- Download size: 2 KB
- Download link checked 24 Oct 2026 — working
These come from our own check of the pack file, not from the source page.