The 8 cm kanon PL vz. 37 (Anti-aircraft Gun Model 37 was a Czech anti-aircraft gun used during the Second World War. Those weapons captured after the German occupation of Czechoslovakia in March 1939 were taken into Wehrmacht service as the 7.65 cm Flak M 37(t). 97 were in service during the Munich Crisis in September 1938 of which Slovakia seized one when it declared independence six months later.