10 most difficult air­planes riddles

They are: Airport London-Biggin Hill, Airport London-Heathrow, Airport London-City, Airport London-Gatwick, Airport London-Stansted, Airport London-Luton and Airport London-Southend.

Hans Baur (1897-1993) was Adolf Hitler's pilot during Hitler's political campaigns of the early 1930s. He later became Hitler's personal pilot and leader of the Reichsregierung squadron. Apprehended by the Soviet Union at the end of World War II in Europe, he was imprisoned in the USSR for ten years before being extradited to France on 10 October 1955, where he was imprisoned until 1957. He died in Herrsching, Bavaria, in 1993.

The MiG-25 of Russian design was among the fastest military aircraft to enter service. It had been designed to set new flight records ans claimed 29 of them. Several records still stand, including the one for altitude set by the test pilot Aleksander V. Fedotov on 31 August 1977.

Delta Air Lines, Inc. (NYSE: DAL), commonly referred to as Delta, is a major American airline, with its headquarters and largest hub at Hartsfield–Jackson Atlanta International Airport in Atlanta, Georgia. In 2013, Delta Air Lines was the world's largest airline in terms of scheduled passengers carried (120.6 million).

On October 24, 2014, Alan Eustace made a jump from the stratosphere, breaking Felix Baumgartner's 2012 world record. His descent to Earth lasted 4 minutes 27 seconds and stretched nearly 26 miles (42 km) with peak speeds exceeding 822 miles per hour (1,323 km/h), setting new world records for the highest free-fall jump and total free-fall distance 123,414 feet (37,617 m).

Manfred Albrecht Freiherr von Richthofen, also known as the "Red Baron", was a German fighter pilot during World War I. He is considered the ace-of-aces of the war, being officially credited with 80 air combat victories. The Fokker Dr I it became famous as the aircraft in which Manfred von Richthofen gained his last 19 victories, and in which he was killed on 21 April 1918.

Avia S-99 and Avia S-199 were constructed with parts and plans left over from Luftwaffe aircraft production that had taken place under the country's German occupation during the war. Avia S-199 was the first fighter plane of Israeli Air Force, used during the 1948 Arab-Israeli War - where it met Spitfires on the Egyptian side.

The Antonov An-225 Mriya is a strategic airlift cargo aircraft, designed in the Soviet Union during the 80's. It is the longest and heaviest aircraft ever built, with a maximum takeoff weight of 640 tonnes.

The flight between Qatar-New Zealand takes 16 hours and 20 minutes. It is currently the longest pas­sen­ger flight in the world, operated by Qatar Airways.

The Wright Brothers began experimenting with the foreplane configuration around 1900. Their first kite included a front surface for pitch control and they adopted this configuration for their first Flyer. The term “canard” arose from the appearance of the Santos-Dumont 14-bis of 1906, which was said to be reminiscent of a duck (canard in French) with its neck stretched out in flight