ModsJava
Aeronautics Interstellar Expansion Mod (1.21.11, 1.21.1)
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
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Aeronautics Interstellar Expansion Mod extends Create: Aeronautics with advanced spacecraft systems. It lets you link engines, shields, turrets, and energy networks into a single control seat. You can build custom starships, fly across vast distances, and defend against incoming threats from one pilot chair.
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Features:
- Unified Control Seat: Connects all ship thrusters, weapons, shields, and energy systems into a single cockpit screen.
- Automated Defense Turrets: Adds point-defense CIWS, laser turrets, and heavy cannons to shoot down enemy craft and projectiles.
- Modular Shield Generators: Projects protective energy fields around ships of any shape or size.
- Guided missile launchers and vertical launch slots fire tracking warheads at locked targets.
- Radar and IFF systems scan the area to help you tell friends from foes.
- Onboard storage blocks supply fuel, battery power, and ammunition directly to working ship parts.
- Vector thrusters allocate power automatically so steering stays smooth in mid-flight.
- Long-range warp drives move entire vessels across massive distances within the same dimension.
- Electromagnetic rails launch and accelerate ships up to high speeds.
How to Use:
- Place a control seat on your assembled ship structure.
- Hold a linker item in your hand.
- Right-click your thrusters, weapons, shields, and batteries to bind them to the ship core.
- Sit in the control seat to view your ship HUD and pilot the craft.
Screenshots:


Aeronautics Interstellar Expansion Mod Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.11, 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: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Downloads as 527470.mcaddon
- Download size: 5.7 MB
- Download link checked 16 Oct 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.