Open the app in your browser
Go to app.prepare.flights. Works on all modern browsers (Chrome, Safari, Firefox, Edge) on desktop and mobile.
Getting started
Flight briefing in 3 minutes
No account, no install. Open the app in your browser and follow the steps below — you'll be briefing in minutes.
Allow location (optional)
Your browser will ask for location permission — granting it lets the map centre near your current location automatically. You can skip it and pan the map manually.
Find an airport or area
Use the search box (ICAO code like EFHK or a place name), or pan and zoom the map to your area of interest. Smaller airports appear as you zoom in.
Check the weather
Click an airport marker to see the METAR and TAF. Green = VFR, blue = MVFR, orange = BIR, red = IFR, purple = LIFR.
The TAF timeline shows how visibility and clouds evolve over the next several hours.
Enable weather layers
Use the layer panel to enable wind, cloud cover, precipitation, icing or turbulence overlays. The time slider lets you scrub 7 days ahead to see how the forecast evolves.
Tap anywhere on the map for a point-specific forecast for that location.
Check airspace and NOTAMs
Enable airspace and NOTAM layers. The colour of a restricted area indicates its type (R/D/P) and the line style its activation — solid = active now, dashed = activates today.
Click an area or NOTAM marker to see the details. The AI button gives you a plain-language summary.
Plan your route
Start a route by clicking waypoints on the map in order from departure to destination. You can click airport markers directly or any free point.
The app generates an Airgram for the route — a vertical cross-section of clouds, wind, icing and turbulence along the way.
Distances, true and magnetic tracks and estimated times en-route are coming in a beta version.
Print the briefing PDF
Once your route and map view are ready, press the print button. You'll get an A4 briefing with the current map view plus appendices listing all relevant NOTAMs, SIGMETs, airspaces and airports.
Install to your home screen (optional)
iPhone/iPad: open in Safari, tap the Share button and choose "Add to Home Screen".
Android: Chrome will offer "Install app" automatically.
Desktop: Chrome/Edge shows an install icon in the address bar.
Need help?
The in-app ? button opens contextual help. You can send feedback from the About page.
Remember: Prepare Flights is for situational awareness only.
Always verify critical information (NOTAMs, AIP, weather) from official
sources before starting your flight.
Frequently asked questions
Is the app free?
Yes, Prepare Flights is currently free for its users. The app is in active development.
Do I need to sign up?
No. You can start using it directly without an account or login.
Can I rely on it in flight?
The app is for situational awareness and briefing support. It does not replace official information sources (AIP, official NOTAM services, ATC). Always verify critical data from official sources.
Which regions are supported?
Weather data is available globally, but accuracy is best in the Nordic countries (Finland, Sweden, Norway, Denmark, Iceland) and the Baltics. Over 22,000 airports worldwide.
Does it work offline?
Basic functionality and the last map view are available without a connection once you've opened the app at least once. Refreshing weather data requires a connection.