About the project
FlaiCzech is a flight simulator of the Czech Republic that runs in your browser. No install, no fees, no signup. It covers all 78,866 km² of Czech territory from Šumava to Jeseníky, builds on open geographic data, and works the same on desktop and mobile. The whole thing started as a vibe-coded project, without AI it would never have come to life.
Imagery
Aerial photography from Mapy.com with resolution typically down to 25 cm per pixel, complemented by vector data from OpenStreetMap. You see the real shape of the Czech landscape, not a stylised wallpaper: fields, forests, villages and industrial zones where they really are.
Terrain
Cesium World Terrain covers the topography of all of Czechia with global accuracy of around 10 metres. The ridges of the Krkonoše, the Vltava valley and the elevation profile of Šumava match reality.
Buildings
Over 3 million 3D buildings from the Cesium OSM Buildings dataset, built on ODbL data from OpenStreetMap. Prague, Brno, Plzeň and other Czech cities have real volumes.
Free flight
No predefined routes, no missions, no timer. Pick a starting point on the map and fly anywhere within Czechia plus roughly 50 km across the border. You can follow a river, look for your own town or fly over Sněžka.
Controls
On desktop you fly with mouse (pitch and roll) and keyboard (W/S throttle, A/D turns, arrows altitude). On mobile you tilt the phone and control throttle by touch. No setup, just allow sensor access and fly.
Aircraft
You currently fly a Cessna 210, a single-engine touring aircraft with a 11.2 m wingspan and cruise speed around 320 km/h. The physics matches real flight specifications. More types will come, but creating quality 3D models with working control surfaces is expensive and pace will be slow.
Frequently asked questions
What is this, really?
FlaiCzech is a flight simulator of the Czech Republic that runs directly in your browser. Real terrain from Cesium World Terrain, satellite imagery from Mapy.com, 3D buildings from OpenStreetMap. No install, no download, no signup. Open the URL and fly.
Does it work on mobile?
Yes. On desktop you fly with mouse and keyboard, on mobile with phone tilt (gyroscope) and touch throttle. We recommend a modern browser on a device less than 4 years old.
Do I need any install or signup?
No. Open the URL, pick a starting airport or location on the map, and fly. No accounts, no downloads.
What aircraft are available?
For now you fly a Cessna 210, a single-engine touring aircraft with a 11.2 m wingspan and cruise speed around 320 km/h. We plan to add more types, but creating quality 3D models with working control surfaces is costly. Pace will be slow.
What data does it use?
Terrain from Cesium World Terrain (~10 m global accuracy), aerial imagery from the Mapy.com REST API, 3D buildings from Cesium OSM Buildings (OpenStreetMap data, ODbL licence). Migration to ČÚZK DMR 5G for sub-metre vertical accuracy over Czechia is planned.
Can I fly anywhere?
Within all of Czechia (78,866 km²) plus roughly 50 km across the borders, from Šumava through Krkonoše to Jeseníky. It's not a global sim and doesn't want to be; we focus on getting Czechia right.
Is it free? Will it always be free?
Yes, FlaiCzech is free and ad-free. If that ever changes we'll say so upfront and the basic version will stay freely available.
Is anyone funding this?
No. Martin Richter is CHO (Chief Human Officer), comes up with ideas and pays out of his own pocket. TARS (CTO, coder, 3D designer, physicist, copywriter, AI) does everything else :))
Are you tracking my data?
Just anonymous visit statistics via Umami (open source, self-hosted). No cookies, no ad trackers, no profiling. No personal data.
Who is behind this?
Martin Richter, the author of FlaiCzech. The project is built on CesiumJS, data from Mapy.com and OpenStreetMap, and a 3D model of the Cessna 210.
Will it keep expanding?
Yes. We plan more aircraft, possibly more countries or new modes (for example missions along real routes). Pace depends on time, energy and funds. The project is a side project, not a full-time job.