Articles

Field notes, opinion, and analysis from working pilots, controllers, investigators, and regulators.

Airworthiness 15 min

Annex 8: What Keeps an Aircraft Legal to Fly

A certificate of airworthiness is a promise that an aircraft is legal to fly. Annex 8 defines what that promise means and who keeps it.

Regulation 15 min

Annex 7: Why Every Aircraft Wears a Nationality

Every aircraft carries a nationality and registration mark, like a ship's flag. Annex 7 governs the sky's license plates.

Flight Operations 15 min

Annex 6: The Rules That Govern How Airlines Operate

Before an airline flies a single passenger, Annex 6 decides how it trains, plans fuel, limits duty time, and proves it can operate safely.

Flight Operations 15 min

Annex 5: Why Altitude Is in Feet but Runways Are in Meters

Feet for altitude, meters for runways, knots for speed. Annex 5 explains aviation's strange mix of units and why it persists.

Flight Operations 15 min

Annex 4: The Maps Every Pilot Reads the Same Way

A chart drawn in Brazil must read exactly like one drawn in Japan. Annex 4 standardizes the maps pilots bet their lives on.

Flight Operations 10 min

Annex 3: The Weather Intelligence Behind Every Flight

Every flight plan starts with the weather. Annex 3 builds the global system that turns forecasts into a language every cockpit reads.

Flight Operations 15 min

Annex 2: The Rules of the Air Everyone Must Obey

Two aircraft meet over an ocean with no controller watching. Annex 2 is why both crews already know who turns right.

Regulation 9 min

What Is ICAO? The Chicago Convention Explained

In 1944, fifty-four states wrote the treaty that still governs every international flight. How ICAO works, and why its rules reach your boarding gate.

Personnel Licensing 12 min

Annex 1: Who Gets to Fly, Control, and Maintain Aircraft

Pilots, controllers, and engineers carry licenses that mean the same thing worldwide. Annex 1 is why a license issued in Jeddah is trusted in Tokyo.

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