Find out how international aircraft registration numbers work? This is also known as N or tail numbers. These registration numbers contained a country prefix or code. Most countries` prefixes are listed in alphabetical order on this website. It also include news and history snippets about aviation, aircraft and airlines. Like a news snippet about a jet aircraft running on coal, extra-info on a runway made partly out of gold and info about aircraft tires. It features pictures of airliners that include a photograph of a Kulula Airlines Boeing 737-800 at Lanseria Airport west of Johannesburg, South Africa, one of a TAAG Boeing 747-300 at Johannesburg International Airport, and a picture of an Boeing 777-300ER of Emirates at Cape Town International Airport.