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Aircraft Tail Number (N-Number) & Mode-S Hex Converter

Validate US FAA N-numbers and convert tail registration to 24-bit Mode-S ICAO Transponder Hex.

Sample Tail Numbers:
Valid FAA N-Number: N12345
24-Bit Mode-S ICAO Transponder Hex: 0xA27336
FAQ

Frequently Asked Questions

Everything you need to know about this tool

An N-Number is an aircraft registration number assigned by the Federal Aviation Administration (FAA) to all US registered civil aircraft. It always begins with the letter N.
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