Aircraft Registration Prefixes by Country – ICAO Nationality Marks
Search aircraft registration prefixes and ICAO nationality marks by country for pilots, dispatchers, airlines, charter operators and worldwide flight operations.
Aircraft nationality and registration marks identify the State in which a civil aircraft is registered. The nationality mark appears at the beginning of the aircraft registration and is normally displayed prominently on the aircraft. This Flytag reference is based on the current ICAO Annex 7 nationality-mark supplement and is designed for quick operational lookup by pilots, dispatchers, operators and aviation professionals.
Last reviewed: 15 September 2026 | Reviewed by: Flytag Flight Operations Team
Official reference: ICAO Nationality Marks
Aircraft Registration Prefixes Used By Civil Aircraft
Under ICAO Annex 7, the nationality mark identifies the State of Registry and forms the first part of a civil aircraft registration. The directory below lists the nationality marks currently notified to ICAO, including multiple marks where ICAO lists more than one for a State or territory.
No matching registration prefix or country found.
Aircraft Registration Prefix FAQs
What is an aircraft registration prefix?
An aircraft registration prefix is commonly used to describe the nationality mark at the beginning of a civil aircraft registration. The nationality mark identifies the State of Registry.
Who assigns aircraft nationality marks?
Under ICAO Annex 7, a State selects its nationality mark from radio call sign symbols allocated by the International Telecommunication Union and notifies the selected mark to ICAO.
What is the UAE aircraft registration prefix?
The aircraft nationality mark notified for the United Arab Emirates is A6.
What is the United States aircraft registration prefix?
The aircraft nationality mark notified for the United States is N.
Do all States have an aircraft nationality mark notified to ICAO?
No. ICAO's current nationality-mark supplement identifies Andorra, Kiribati, Timor-Leste and Tuvalu as Contracting States that have not notified nationality marks to ICAO.
