The site builds on the work of many people and organisations. What comes from elsewhere is used under its licence and credited here and, for pictures, next to each picture. A picture from another site is shown only with its licence and author.
| Source | Used for | Licence |
|---|---|---|
| Wikipedia contributors | Aircraft, engines, airlines, airports, companies | CC BY-SA 4.0; each entry links its article |
| Wikidata | Identifiers linking entries | CC0 1.0 |
| ICAO Aircraft Engine Emissions Databank (EASA) | Jet engine emissions | Published by EASA for public use, credited |
| ISO 20022 Registration Authority, ISO 10383 | Stock exchanges (market identifier codes) | Freely available list |
| Alpha Vantage | Daily stock prices | Alpha Vantage terms of service |
| Database editors of the site | Corrections and additions | CC BY-SA 4.0 (terms of use); each change is kept with its author |
| Source | Used for | Licence |
|---|---|---|
| © OpenStreetMap contributors | Flight maps | Open Database License (ODbL) |
| OpenTopoMap | Relief map layer | CC BY-SA 3.0 |
| IGN Géoplateforme, orthophotos | Aerial photos of the 3D flight view in France | Licence Ouverte Etalab 2.0 |
| Sentinel-2 cloudless 2020 by EOX IT Services GmbH (contains modified Copernicus Sentinel data 2020) | Satellite imagery of the 3D flight view outside France | CC BY-NC-SA 4.0 (non-commercial use) |
| Terrain Tiles (Mapzen, on AWS): SRTM, GMTED, ETOPO1 and other open elevation data | Terrain of the 3D flight view | Open data, with the attributions listed by the Terrain Tiles project |
| Nominatim (OpenStreetMap) | Place search of the coordinates tool | ODbL, Nominatim usage policy |
Pictures from Wikimedia Commons and Openverse are shown with their author, licence and source page. Pictures shared by members are their own work, credited to them.
The site is built with ASP.NET Core and Entity Framework Core (MIT) and uses, in the browser: Bootstrap (MIT), jQuery and jQuery Validation (MIT), Leaflet (BSD-2-Clause), three.js (MIT), Chart.js (MIT), Lightbox2 (MIT), ALTCHA (MIT), SignalR (MIT) and Font Awesome Free (icons CC BY 4.0, fonts SIL OFL 1.1, code MIT).