- May 17, 1923 - begins the flight instructor course.
- March 7,1924 - graduates from flight school, pilot instructor course.
- September 1924 - signs a committment to remain in the Aviation Regiment for at least another two years.
After this period of committment was through, Gulbis went to the Aizsargi Aviacija
- 1931 - at the Aviator Society's Air Festival at Spilve, Gulbe flies a biplane while German daredevil
Oskars Dimpfelis performed a wing-walking act.
- 1934 - Serves as secretary of the "Latvijas Republikas lidotaju klubs." (Latvian Republic Aviators Club).
- September 8, 1935 - Participates in the Aviation Festival at Riga/Spilve.
- September 1935 - as one of only a handful of Aizsargi aviators willing to fly the Gourdou Lesseure, Gulbis
flies the unpopular airplane at the Ikskile air festival.
- June 1, 1936 - Participates in the Aviation Festival at Rujiena.
- June 21, 1936 - Participates in the Aviation Festival at Valmiera.
- July 12, 1936 - Participates in the Aviation Festival at Kuldiga.
- August 2, 1936 - Participates in the Aviation Festival at Rujiena.
- May 15, 1937 - honored as the best Aizsargu aviator of the year.
- July 25, 1937 - Participates in the Aviation Festival at Rujiena.
- August 22, 1937 - Participates in the Aviation Festival at Valmiera.
- September 26-27, 1937 - flying a KOD-1 with Rudolfs Celms as observer, participates in the second "Flight Around Latvija" contest.
- August 7, 1938 - Participates in the Aviation Festival at Ventspils.
- October 1-2, 1938 - flying a KOD-2 and with Jekabs Morziks as observer, participates in the third "Flight Around Latvia" contest.
- During the Soviet occupation, Gulbis was arrested and deported to Siberia, returning to Latvia only many years later.
- Latvijas Aviacijas Vesture Edvins Bruvelis
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