The Russian anti-submarine corvette of Black Sea Fleet fired shots at Ukrainian An-26 military transport aircraft over Odeske gas field, located on the continental shelf of the Black Sea.
That was reported by dumskaya.net.
Russian soldiers opened fire from small arms from Russian anti-submarine corvette at Ukrainian aircraft. Ukrainian An-26 twin-engined turboprop military transport aircraft was damaged hull, the crew was not injured.
The Odeske natural gas field located on the continental shelf of the Black Sea on Ukrainian territory, but Russia has occupied this region. The total proven reserves of the Odessa gas field are around 746 billion cubic feet (21.1×109 m3), and production is slated to be around 35 million cubic feet per day (990×103 m3/d) in 2015.
Translation: Defence Blog