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About Aviassembly
Aviassembly is a single-player simulation where you design, build, and pilot your own aircraft. Using a parts-based system you balance fuel capacity, weight, speed, and cargo space to meet the demands of each mission. The game features physics-based takeoff, flight, and landing, plus an open world of airports and islands to explore.
Missions require you to transport varied cargo types, each with its own requirements, while managing fuel and performance. A creative mode offers unlimited resources for unrestricted building, and research lets you unlock new parts and upgrades to expand your capabilities.
01 / THE GUIDE
Aircraft Design
The core of Aviassembly is constructing a plane from selectable parts. You must balance fuel capacity, weight, speed, and cargo space to achieve the flight characteristics you need. Choosing components wisely directly influences how well your aircraft handles missions.
Design decisions affect takeoff, flight stability, and landing, as the game uses physics-based controls. Adjusting each element lets you tailor the plane for specific cargo loads or distances, encouraging iterative testing and refinement.
- Start with a balanced mix of fuel and cargo capacity before focusing on speed.
- Test small changes in weight to see their impact on takeoff distance.
02 / THE GUIDE
Mission Management
Missions task you with hauling different cargo types, each presenting unique requirements. Planning routes carefully helps avoid running out of fuel and ensures timely deliveries. Successful missions reward you with money to fund further development.
Each cargo type introduces its own challenge, so adapting your plane's design to meet those needs is essential. Balancing load limits with fuel reserves is a recurring strategic element throughout the game.
- Map out fuel stops before long trips.
- Match cargo weight to your plane's current capacity to prevent overloading.

03 / THE GUIDE
Research & Upgrades
Research unlocks new parts, allowing you to improve performance, increase range, or carry larger cargo loads. Upgrading your aircraft expands the missions you can attempt and opens new areas to explore.
Investing earnings into research creates a feedback loop: better parts lead to more successful missions, which generate more money for further upgrades. This progression encourages continual refinement of your designs.
- Prioritize research that expands fuel capacity for longer routes.
- Upgrade cargo space after securing a reliable engine.
04 / THE GUIDE
World Exploration
The game offers an open world with diverse biomes, airports, and islands. Each new location introduces fresh challenges and cargo types, testing both your aircraft's capabilities and piloting skill.
Exploring new areas often requires upgraded performance, prompting players to adapt their designs. Discovering additional airports expands your route network, providing more options for mission planning.
- Visit each new airport to learn its specific cargo demands.
- Use exploration trips to scout fuel availability before committing to long missions.
05 / THE GUIDE
Creative Mode
Creative mode grants infinite resources for building, letting you construct designs without worrying about part availability. This sandbox environment is a space for unrestricted creativity and experimentation.
Use creative mode to prototype ideas, test extreme configurations, or simply enjoy building for its own sake. It serves as a playground for learning how different components interact before applying those lessons in the main game.
- Try unconventional wing shapes to see their effect on lift.
- Build a massive cargo hold to understand weight distribution.





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