Cika wannan jumla: Chayka Naval Air Base () ita ce
Tushen Sojan Ruwa na Bulgaria. Ana iya rubuta shi 'Tchaika' kuma wani lokacin ana kiransa Varna-Chaika. Chaika yana nufin seagull a cikin Bulgarian. Tana kan iyakar arewacin bakin kogin kudu da birnin Varna a gabar Bahar Maliya.