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Create Aeronautics. Build. Then take off.

Astra includes Create Aeronautics: block-built structures can move as physical objects. Build aircraft, test their controls and fly in a shared Minecraft world. There is no entry fee.

A Create Aeronautics airship beside a cliffFree to join
Create Aeronautics · developer screenshot
Joining and playing
Free
Server tick rate
20 TPS
Minecraft Java
1.21.1
Machines and physics
Create + Aeronautics

What you can do in the game.

01 / Aeronautics

From a structure to a vehicle

A stationary building does not need to balance itself. A moving physics build does: the placement of heavy parts, propulsion and cargo affects its behaviour. Keep a first vehicle small enough to understand, with controls you can reach and room to change the layout.

A Create Aeronautics plane under construction in a hangar
Create Aeronautics · developer screenshot
02 / Astra

Testing before a trip

Use an open area near your workshop to check acceleration, steering and stopping. Add a small load and repeat the test before attempting a long journey. A successful empty flight does not establish how the same craft will handle its intended cargo.

  1. Build a small craft without valuable cargo.
  2. Test steering and stopping close to the workshop.
  3. Increase the load gradually and test again.
Server rules
03 / In a shared world

Installing the right pack

Open Astra in MARALYS and install its complete pack. Aeronautics relies on Create and the accompanying physics components; a collection of unrelated JAR versions is not the server client. Use the application's update flow before joining after a release.

Astra cover
MARALYS Astra cover

20 TPS

For machinery, vehicles and large shared builds.

Processor
AMD Ryzen 9 9950X
Physical host memory
256 GB
Location
Moscow, Russia

Before you join.

Is this the same mod as Valkyrien Skies?

No. Astra uses Create Aeronautics. Before using a design or tutorial, check which physics system and pack version it was made for.

Can I join with an unmodified Minecraft client?

Astra requires its Minecraft Java modpack, installed through MARALYS. An unmodified client or Minecraft Bedrock cannot join this server.

How should I prepare for the first test?

Start with a small build in an open area. Check the controls before adding cargo and decoration, then repeat a short test after each design change.

See you on Astra.

  1. 01

    Install MARALYS

    Download the desktop application and sign in.

  2. 02

    Select Astra

    The application installs the pack and its mods.

  3. 03

    Select Play

    Build a small craft without valuable cargo.

Minecraft Java on a computer. Bedrock and mobile editions are not supported. Playing is free; store purchases are optional.

Server rules

More of Astra