Data Credits

AvClock relies on the following data sources. We're grateful to each of them — and where a license requires attribution, here it is.

OurAirports — airports & heliports

Airport and heliport locations, codes, and names. OurAirports dedicates its data to the public domain — no attribution legally required, but we're glad to credit it anyway.
ourairports.com/data

NOAA Aviation Weather Center — METAR / TAF

Live aviation weather and flight category. Public domain (U.S. Government work).
aviationweather.gov

Apple WeatherKit — local weather

General, plain-language current conditions shown throughout the app. Weather data provided by Apple Weather.

Frankfurter / European Central Bank — currency conversion

Exchange rates for the optional currency converter, sourced from the European Central Bank via the Frankfurter API. Informational only, not intended for actual currency transactions.
frankfurter.app

AvClock is not affiliated with, endorsed by, or sponsored by NOAA, the FAA, Apple, or the European Central Bank.