Portal:Aviation/Historical anniversaries/July in aviation/July 31
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July 31
- 1964 - A. H. Parker sets a new sailplane distance record of 1,000 km (621 miles) in a Sisu-1A
- 1918 - Lt Frank Linke-Crawford, Austrian 4th highest scoring ace, is shot down in combat. He had scored 27 victories.
- 1901 - German meteorologists Berson and Süring climb to 10,800 m in a free balloon.
- 1894 - Hiram Maxim launches an enormous biplane test rig (wingspan 32 m, 105 ft) propelled by two steam engines. It makes a short captive hop after running down a length of railway track. After that he stopped his experiments, which had already cost him around thirty thousands pounds.