| Date: June 4, 1937 | Location: Spilve Airfield (Riga) | Known Personnel: J.Indans | Aircraft Known to be Involved: De Havilland DH.89 (first flight of the Riga-Liepaja air service), 6 aircraft from the Latvian Aero Club, 2 private sport aircraft and 5 gliders | Details:
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June 3, 1937
Latvijas Kareivis June 4, 1937
Latvijas Kareivis June 5, 1937