|Date: May 27, 1931
||Personnel: Karlis Tenteris, Arturs Kregeris
||Aircraft Involved: de Havilland DH9A #65
||Location: near Koknese
- Aircraft with 7th Squadron, Krustpils
- Engine failed over Koknese. Plane force-landed alongside the
- Undercarriage, propeller and wing damaged.
- Repaired and overhauled in Riga, returned to service in December, 1932.
- Sturtivant & Page The DH4 / DH9 File