. . "Kaliningrad Chkalovsk (also Chkalovskoye, Tchalov, or Proveren) is a naval air base in Chkalovsk, Kaliningrad Oblast, Russia located 9 km northwest of Kaliningrad. Most instances in Russian aviation literature of Chkalovsk or Chkalovskoye refer specifically to this large airfield."@en . "2984.91"^^ . . "2985.0"^^ . "49.9872"^^ . "Concrete" . "Kaliningrad Chkalovsk"@en . "50.0"^^ .