|Date: July 4, 1937
||Known Personnel: Edgars Students, Imants Sleiters, B.Azelickis
||Aircraft Known to be Involved: LAK aircraft "Vanags", Glider "Sloka",
- Event was held at Mezzara, near Salas muiza.
- Aside from the towing aircraft, this was essentially a glider performance alone.
- A flying model aircraft competition was held
- The event drew approximately 1000 spectators.
Sparnota Latvija No.37/38, July/August 1937, pg.233