Sources

Data updated Thursday 1 October 2026

We build every answer from the official and open data below, and each answer names the sources it used. Each source is listed with its licence.

United Kingdom

Aerodrome flight restriction zones: Built by Fetch Labs from the Air Navigation Order 2016 (legislation.gov.uk, OGL v3.0), runway thresholds from the UK Military AIP (Crown copyright, OGL v3.0) and OurAirports (public domain); aerodrome boundaries contain OS data © Crown copyright and database right (OGL v3.0). Approximate; the UK AIP is authoritative.
Council byelaws: Hand-curated list maintained by Fetch Labs; incomplete, each entry cites its source and verification date.
Forestry England land: Forestry England Legal Boundary, Open Government Licence v3. Contains, or is based on, information supplied by the Forestry Commission. © Crown copyright and database right 2026 Ordnance Survey [100021242].
Core paths, Scotland: Scottish council core path plans via the Improvement Service Spatial Hub, Open Government Licence v3. Contains OS data © Crown copyright and database right 2026.
Military range areas: UK Military AIP, No 1 AIDU, Crown copyright, Open Government Licence v3.0; coastline from ONS boundaries (OGL v3, contains OS data © Crown copyright and database right). Transcribed by Fetch Labs for information only; the UK AIP is authoritative.
Range danger areas: MOD range byelaws (gov.uk), Crown copyright, Open Government Licence v3.0; coastline from ONS boundaries (OGL v3, contains OS data © Crown copyright and database right). Transcribed by Fetch Labs for information only; the byelaws and the UK AIP are authoritative.
Inferred military land: Natural England CRoW Act 2000 access layers and England Coast Path coastal margin, Open Government Licence v3.0; contains Natural England data © Natural England and OS data © Crown copyright and database right. Inferred by Fetch Labs for information only; the range byelaws and the UK AIP are authoritative.
Open access land, England: Natural England open data, Open Government Licence v3. Contains Natural England data © Natural England, and OS data © Crown copyright and database right 2026.
National Park boundaries, England: Natural England open data, Open Government Licence v3. Contains Natural England data © Natural England, and OS data © Crown copyright and database right 2026.
SSSI boundaries, England: Natural England open data, Open Government Licence v3. Contains Natural England data © Natural England, and OS data © Crown copyright and database right 2026.
Public rights of way (Northern Ireland): Council open data under the Open Government Licence v3; attribution per council is carried on each path.
Area of Outstanding Natural Beauty boundaries, Northern Ireland: Northern Ireland Environment Agency (DAERA) open data via OpenDataNI, Open Government Licence v3. Contains public sector information licensed under the Open Government Licence v3.0.
Area of Special Scientific Interest boundaries, Northern Ireland: Northern Ireland Environment Agency (DAERA) open data via OpenDataNI, Open Government Licence v3. Contains public sector information licensed under the Open Government Licence v3.0.
National Nature Reserve boundaries, Northern Ireland: Northern Ireland Environment Agency (DAERA) open data via OpenDataNI, Open Government Licence v3. Contains public sector information licensed under the Open Government Licence v3.0.
Open access land, Wales: Natural Resources Wales open data via DataMapWales, Open Government Licence v3. Contains Natural Resources Wales information © Natural Resources Wales and database right. Contains OS data © Crown copyright and database right 2026.
National Park boundaries, Wales: Natural Resources Wales open data via DataMapWales, Open Government Licence v3. Contains Natural Resources Wales information © Natural Resources Wales and database right. Contains OS data © Crown copyright and database right 2026.
SSSI boundaries, Wales: Natural Resources Wales open data via DataMapWales, Open Government Licence v3. Contains Natural Resources Wales information © Natural Resources Wales and database right. Contains OS data © Crown copyright and database right 2026.
National Trust land: National Trust Open Data (Open Government Licence v3). NT byelaws prohibit unauthorised aircraft take-off and landing on Trust land.
Country boundaries: Office for National Statistics licensed under the Open Government Licence v3. Contains OS data © Crown copyright and database right 2024.
Local authority boundaries: Office for National Statistics licensed under the Open Government Licence v3. Contains OS data © Crown copyright and database right 2026.
Rights of way: Council open data under the Open Government Licence v3, aggregated by rowmaps.com. Contains Ordnance Survey data © Crown copyright and database right 2026. An interpretation of each council's Definitive Map, not the Definitive Map itself. England and Wales only.
Restricted airspace: UK statutory instruments from legislation.gov.uk, Crown copyright, Open Government Licence v3.0. Transcribed by Fetch Labs for information only; the instruments and the UK AIP are authoritative.
Parking and ground hazards: © OpenStreetMap contributors, Open Database Licence (ODbL), via Geofabrik extracts.
Mapped paths: © OpenStreetMap contributors, Open Database Licence (ODbL).

Argentina

Aerodrome zones: ANAC Argentina rule (https://www.argentina.gob.ar/anac/nuevo-marco-normativo-para-la-operacion-de-drones) applied to OurAirports positions (public domain)

Australia

Aerodrome zones: Based on content from the Federal Register of Legislation at 2026-10-01 (CASA OAR 086/26, CC BY 4.0; https://www.legislation.gov.au); runway ends from OurAirports (public domain)

Austria

Aerodrome zones: Luftverkehrsregeln 2014 Annex E (BGBl. II Nr. 17/2025, in force 15 May 2025); unlisted aerodromes from OurAirports (public domain)

Belgium

Aerodrome zones: Belgian Federal Public Service Mobility and Transport (DGLV) rule (https://www.ejustice.just.fgov.be/eli/besluit/2020/12/21/2020044609/justel) applied to OurAirports positions (public domain)

Canada

Parks Canada land: Legislative boundaries of the national parks and park reserves, Natural Resources Canada (Canada Lands Survey System), contains information licensed under the Open Government Licence - Canada.
Aerodrome zones: Transport Canada rule (https://laws-lois.justice.gc.ca/eng/regulations/SOR-96-433/FullText.html) applied to OurAirports positions (public domain)

Chile

Aerodrome zones: Chile Directorate General of Civil Aviation (DGAC) rule (https://www.dgac.gob.cl/wp-content/uploads/2024/07/DAN-91_ED4__ENM5_20JUL2023-2.pdf) applied to OurAirports positions (public domain)

Colombia

Aerodrome zones: Aerocivil (Colombia) rule (https://www.aerocivil.gov.co/autoridad_aeronautica/loader.php?lServicio=Tools2&lTipo=descargas&lFuncion=descargar&idFile=16966) applied to OurAirports positions (public domain)

Croatia

Protected areas: Nationally designated areas (NatDA): © European Environment Agency (EEA), CC BY 4.0, from data reported by the countries.
Aerodrome zones: Croatian Ministry of the Sea, Transport and Infrastructure (Pravilnik o upravljanju zračnim prostorom, NN 20/2023) rule (https://narodne-novine.nn.hr/clanci/sluzbeni/2023_02_20_342.html) applied to OurAirports positions (public domain)

Czechia

Protected areas: Nationally designated areas (NatDA): © European Environment Agency (EEA), CC BY 4.0, from data reported by the countries.
Aerodrome zones: Czech Civil Aviation Authority (ÚCL) rule (https://www.caa.gov.cz/wp-content/uploads/2025/08/44_13356-25-701_OOP-LKR314.pdf) applied to OurAirports positions (public domain)

Denmark

Aerodrome zones: Danish Civil Aviation and Railway Authority (Trafikstyrelsen) rule (https://www.retsinformation.dk/eli/lta/2025/527/pdf) applied to OurAirports positions (public domain)

Finland

Drone zones: UAS geographical zones © Traficom (CC BY 4.0)

France

Drone zones: Restrictions UAS catégorie Ouverte et aéromodélisme, DGAC/DSNA, via IGN Géoplateforme (Licence Ouverte 2.0)

Germany

Protected areas: Schutzgebiete in Deutschland: © Bundesamt für Naturschutz (BfN) mit Daten der Länder, Nutzung nach GeoNutzV.
Aerodrome zones: German Federal Ministry for Transport (Luftverkehrs-Ordnung) rule (https://www.gesetze-im-internet.de/luftvo_2015/__21h.html) applied to OurAirports positions (public domain)

Hungary

Aerodrome zones: Government of Hungary (Government Decree 4/1998 (I. 16.) on the use of Hungarian airspace) rule (https://njt.jog.gov.hu/jogszabaly/1998-4-20-22) applied to OurAirports positions (public domain)

India

Aerodrome zones: India Directorate General of Civil Aviation rule (https://web.archive.org/web/20240609033847id_/https://egazette.gov.in/WriteReadData/2021/229221.pdf) applied to OurAirports positions (public domain)

Italy

Protected areas: Nationally designated areas (NatDA): © European Environment Agency (EEA), CC BY 4.0, from data reported by the countries.
Aerodrome zones: Italian Civil Aviation Authority (ENAC) rule (https://www.enac.gov.it/app/uploads/2024/04/ATM-09A.pdf) applied to OurAirports positions (public domain)

Japan

Built-up districts: 出典：政府統計の総合窓口(e-Stat)（https://www.e-stat.go.jp/）令和2年国勢調査人口集中地区境界データを加工して作成

Kenya

Aerodrome zones: Kenya Civil Aviation Authority rule (https://drive.google.com/uc?export=download&id=17liSxxn25BQHbdfeS0LX2RwEZJUbvHak) applied to OurAirports positions (public domain)

Luxembourg

Drone zones: UAS geographical zones © Direction de l'Aviation Civile, Luxembourg (data.public.lu, CC0)

Mexico

Aerodrome zones: Mexico Federal Civil Aviation Agency (AFAC) rule (https://dof.gob.mx/nota_detalle.php?codigo=5578813&fecha=14/11/2019) applied to OurAirports positions (public domain)

New Zealand

Conservation land and drone zones: Crown Copyright: Department of Conservation Te Papa Atawhai, CC BY 4.0.
Aerodrome zones: Civil Aviation Authority of New Zealand rule (https://web.archive.org/web/20260121094744id_/https://www.aviation.govt.nz/assets/rules/transport-instruments/CATI-101-1.pdf) applied to OurAirports positions (public domain)

Norway

Drone zones: Kilde: Luftfartstilsynet / dronesoner.no (NLOD 2.0)

Peru

Aerodrome zones: Peru Directorate General of Civil Aviation (MTC) rule (https://cdn.www.gob.pe/uploads/document/file/390602/NTC__RPAS__texto_.pdf?v=1571265754) applied to OurAirports positions (public domain)

Philippines

Aerodrome zones: Civil Aviation Authority of the Philippines rule (https://www.caap.gov.ph/wp-content/uploads/2026/07/PART-11-–-Aerial-Work-and-Operating-Limitations-for-Non-Type-Certificated-Aircraft-2.pdf) applied to OurAirports positions (public domain)

Poland

Aerodrome zones: Polish Air Navigation Services Agency (PAŻP), which designates Poland's UAS geographical zones rule (https://www.pansa.pl/kiedy-musze-miec-misje/) applied to OurAirports positions (public domain)

Portugal

Aerodrome zones: Portuguese National Civil Aviation Authority (ANAC) rule (https://www.anac.pt/SiteCollectionDocuments/UAS_DRONES/00_REG_1093_2016_Drones.pdf) applied to OurAirports positions (public domain)

Saudi Arabia

Aerodrome zones: Saudi General Authority of Civil Aviation rule (https://web.archive.org/web/20251213000000id_/https://gaca.gov.sa/-/media/Files/PDF/LawsAndRegulation/Aviation-Safety-and-Environmental-Sustainability/GACAR-Safety-Regulations/GACAR-Part-107---Operation-of-Unmanned-Aircraft-Systems---v5.pdf) applied to OurAirports positions (public domain)

Singapore

NParks no-drone areas: Contains information from Prohibited Drone flying areas accessed on 30 September 2026 from data.gov.sg, made available under the Singapore Open Data Licence version 1.0 (https://data.gov.sg/open-data-licence).
Aerodrome zones: Civil Aviation Authority of Singapore rule (https://www.caas.gov.sg/unmanned-aircraft/no-fly-zones-and-ua-flying-areas/) applied to OurAirports positions (public domain)

Slovakia

Aerodrome zones: Slovak Transport Authority (Dopravný úrad), Decision No. 1/2026 rule (https://letectvo.nsat.sk/wp-content/uploads/sites/2/2026/04/Rozhodnutie-DU-%C4%8D.-1....2026.pdf) applied to OurAirports positions (public domain)

Slovenia

Aerodrome zones: Government of Slovenia (Uredba, Uradni list RS 39/24) rule (https://www.uradni-list.si/glasilo-uradni-list-rs/vsebina/2024-01-1354) applied to OurAirports positions (public domain)

South Africa

Aerodrome zones: South African Civil Aviation Authority rule (https://www.caa.co.za/industry-information/uas/) applied to OurAirports positions (public domain)

South Korea

Aerodrome zones: Korea Ministry of Land, Infrastructure and Transport rule (https://drone.onestop.go.kr/introduce/systemintro1) applied to OurAirports positions (public domain)

Spain

Protected areas: Nationally designated areas (NatDA): © European Environment Agency (EEA), CC BY 4.0, from data reported by the countries.
Aerodrome zones: Spain Ministry of Transport and AESA (Real Decreto 517/2024) rule (https://www.boe.es/buscar/act.php?id=BOE-A-2024-11377) applied to OurAirports positions (public domain)

Sweden

Switzerland

United States

BLM wilderness: Bureau of Land Management National Conservation Lands (public domain).
Airspace: Federal Aviation Administration (public domain, 17 USC 105)
National wildlife refuges: US Fish and Wildlife Service realty tracts (public domain).
Park boundaries: National Park Service Land Resources Division (public domain, 17 USC 105)
National Forest Wilderness: USDA Forest Service Enterprise Data Warehouse, CC BY 4.0.

Live data and maps

Postcode lookup: Postcodes.io, contains OS and ONS data (OGL v3)
NOTAMs: NATS AIS UK PIB (informational only; obtain an official pre-flight briefing)
Temporary flight restrictions: FAA, tfr.faa.gov (public domain)
Drone rules, UK: Summary of UK CAA class mark and open category guidance (caa.co.uk, Crown copyright, OGL v3); the Drone Code and CAP 722 are authoritative
Drone rules, EU: Summary of the EU open category from EASA (easa.europa.eu, © European Union Aviation Safety Agency, reproduction authorised with the source acknowledged); Regulation (EU) 2019/947 and the national rules are authoritative
Elevation: Open-Meteo.com (CC BY 4.0), Copernicus GLO-90 DEM (European Union and ESA)
Geomagnetic activity: NOAA Space Weather Prediction Center planetary K-index (US Government, public domain)
Rain radar: Weather Data Provided by Visual Crossing (visualcrossing.com)
Map: Apple Maps