Pilotised

Live aviation weather and performance

understand how aviation really works

Decode the weather, the machines and the system behind every flight. Start by decoding any airport below, or explore the guides further down.

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Four letters, such as EGLL or KJFK. Not every airfield reports a METAR.

Enter a four-letter ICAO code above to decode its latest report.

Data: NOAA Aviation Weather Center, fetched on demand. For training and reference only. Always use an approved briefing source for operational decisions.

Free tools

9 calculators and decoders

No account, no cost. Every figure is worked out on this site from live reports, not passed through from somewhere else.

Live weather

Radar & SIGMETs

Precipitation radar with active hazard areas drawn on top.

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Guides

Plain-English explanations

All 11 guides

Latest in engineering

ADS-B Explained: How It Works and the FAA Mandate

A complete, pilot-oriented guide to ADS-B: how the system works, the real difference between ADS-B Out and ADS-B In, when you need 1090ES versus UAT, and exactly what the FAA's ADS-B mandate requires. Includes the standards history behind today's equipment, the TIS-B and FIS-B services ADS-B In unlocks, and a checklist for confirming your installation is genuinely compliant.

21 min read

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