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  • Airinfo Viewer screenshot 1
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About Airinfo Viewer

Airinfo Viewer organizes the aviation weather charts published by the Japan Meteorological Agency (JMA) so you can check each airport at a glance. WHAT YOU CAN SEE - Aerodrome Sequential Forecast (38 airports): official TAF-based forecasts issued by aviation weather offices, shown as time-series charts - Aerodrome Sequential Information (37 airports): time-series charts generated automatically from numerical forecasts - Aerodrome Weather Commentary: Japanese-language notes, sub-scenarios, weather charts and temperature forecasts (regular and special editions) KEY FEATURES - All 75 Japanese airports organized by region, searchable by name or ICAO code - Airport map with pins for every airport, plus distance and bearing from your current location (location access is optional) - Favorites for quick access to the airports you check often - Switch between the near-term (hourly) and outlook (3-hourly) chart, with pinch-to-zoom - Shows the last-updated time and refreshes with one tap - A visual "How to Read" guide with diagrams for wind/crosswind, visibility, ceiling, and thunderstorm probability - A help button on every chart that jumps straight to the relevant explanation - A glossary of aviation weather terms (METAR, SIGMET, RVR, and more) WHO IT'S FOR - Pilots, student pilots, glider and light-aircraft enthusiasts - Aviation and airband radio enthusiasts - Anyone who wants to check the weather before heading to an airport NOTE - Data shown is published by the Japan Meteorological Agency's Aviation Weather Information service (this app is not affiliated with or endorsed by JMA) - Always use official weather information and briefings for actual flight operations

What’s new

Version 1.1.0 · Updated August 23, 2026

- Added an airport map: pins for all 75 airports plus distance and bearing from your location - Made the How to Read guide visual: wind/crosswind diagrams, color legends, and a UTC/JST timeline - Added a help button on chart screens that jumps to the relevant explanation - Expanded the glossary (METAR, SIGMET, RVR, and more) - Added an in-app review prompt

App privacy

The developer, Naoki Chiba, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

Alternatives to Airinfo Viewer

Looking for apps like Airinfo Viewer? Here are 6 similar apps on the App Store. The highest rated is 気象天気図 (5.0/5), and all 6 are free to download.

Airinfo Viewer vs. alternatives
App Rating Price Last updated
Airinfo Viewer – Free August 23, 2026
METAR TAF 3D – Pilot Weather – Free Sep 24, 2026
Japan Weather Chart – Free Jul 21, 2026
気象予報士(実技)受験対策 – Free Jul 20, 2026
Sorami-san – Free Sep 10, 2026
気象天気図 5.0 / 5 (2) Free Aug 4, 2026
ATISVIEW 5.0 / 5 (6) Free Sep 6, 2026