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About

The registry, without the busywork.

The FAA publishes every US aircraft registration. Turning that into answers shouldn't take an expensive subscription.

Aeonis Tail is built by AEONIS LLC, a small software company in Sunrise, Florida.

The FAA's aircraft registry is one of the most useful public datasets in aviation, but it arrives as a large daily file of codes. We load it every day, translate the codes, compare it with the day before and let you search and watch the changes that matter to your work.

Honest data

We say where every field comes from and link to the official record.

Public records

We only use data the FAA releases publicly.

Free lookups

Looking up an aircraft is free. Pro is for teams that act on changes.

Privacy-minded

Free pages leave out individual owners' names and all street addresses.

Questions or ideas?

We'd love to hear from you.