Registration & Airline Code Decoder

What this actually decodes

This tool reads identity, not position. A registration's country and an airline's name and callsign are fixed facts, baked into the code itself, so they can be looked up instantly with no network call. That's genuinely useful: it's how a controller, a plane-spotter, or anyone glancing up can tell a lot about an aircraft from a few painted letters.

What it can't do is tell you where a specific flight is right now, where it's headed, or whether it's on time. That needs live flight data from an actual tracking feed, which is a different tool entirely. Paste a full flight number like AF1680 and you'll get the airline, Air France, decoded correctly. You won't get a route, because this page never claims to know one.

Registration prefixes come from the ICAO nationality mark allocations, covering the major and mid-size aviation nations. Three-letter codes and radio callsigns come from the FAA's published list, 6,243 codes in all, with callsigns shown exactly as the FAA prints them. Two-letter airline codes cover 87 major carriers. Read more on how registrations work, why airlines have callsigns, or browse the full list of airline callsigns.