EuroAirport is one of the few airports in the world operated jointly by two countries, in this case France and Switzerland. It is governed by a 1949 international convention. The headquarters of the airport’s operations are located in Blotzheim, France. The airport is located completely on French soil; however, it has a Swiss customs area connected to Basel by a 2.5 km (1.6 mi) long customs road, thus allowing air travelers access into Switzerland bypassing French customs clearance. The airport is operated via a state treaty established in 1946 wherein the two countries (Switzerland and France) are granted access to the airport without any customs or other border restrictions. The airport’s board has 8 members each from France and Switzerland and two advisers from Germany.

This airport has three different IATA airport codes: BSL (Basel) is the Swiss code, MLH (Mulhouse) is the French code and EAP (EuroAirport) is the neutral code.

And It could possibly have four, if Germany had wanted to assign it of their own too. Normally all airports are assigned a single IATA airport code.

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If the World of Metrics wasn’t already confusing enough for you, just look at below.

The British ton is the long ton, which is 2240 pounds, and the U.S. ton is the short ton which is 2000 pounds.

Both tons are actually defined in the same way. 1 ton is equal to 20 hundredweight. It is just the definition of the hundredweight that differs between countries. In the U.S. there are 100 pounds in the hundredweight, and in Britain there are 112 pounds in the hundredweight. This causes the actual weight of the ton to differ between countries.

To distinguish between the two tons, the smaller U.S. ton is called short, while the larger British ton is called long.

There is also an third type of ton called the metric ton, equal to 1000 kilograms, or approximately 2204 pounds. The metric ton is officially called tonne. The SI standard calls it tonne, but the U.S. Government recommends calling it metric ton.

The 747-400F (Freighter) is an all freight version of the 747-400. While using the updated systems and wing design of the passenger versions, it features the original short upper deck found on the classic 747s to reduce weight. The 747-400F has a maximum takeoff weight of 875,000 pounds (396,890 kg) and a maximum payload of 274,100 pounds (124,330 kg). The -400F can be easily distinguished from the passenger -400 by its shorter upper-deck hump and lack of windows along the main deck.

The model’s first flight was on May 4, 1993, and entered service with Cargolux on November 17, 1993. Major customers included Atlas Air, Cargolux, China Airlines, Korean Air, Nippon Cargo Airlines, Polar Air Cargo, and Singapore Airlines.

The 747-400F has a main deck nose door and a mechanized cargo handling system. The nose door swings up so that pallets or containers up to 40 ft (12 m) can be loaded straight in on motor-driven rollers. An optional main deck side cargo door (like the 747-400M Combi) allows loading of dimensionally taller cargo modules. A lower deck (“belly”) side door allows loading of unit load devices (ULD) up to 163 cm in height. Boeing delivered 126 Boeing 747-400F aircraft with no unfilled orders as of November 2009. The last -400F was delivered to Nippon Cargo Airlines on August 2, 2008.

A 2008 747-400F value new was $101 million, a 2003 aircraft was leased $400,000 per month in 2019 for a $29 million value while a B747-400BCF was priced at around $10 million.