air cargo and aviation work service using lift helicopter in gloomy weather. helicopter carries sling with quadracycle

aircraft flight transport air transportation helicopter chopper sky machine sling takeoff aviation military war carriage freight airline autogiro barrel cargo cask cloudy weather copter drum dull gloomy grid gyroplane heavy lift takes hovering landing explorers launch metal barrels multicolored petrol propeller rise rotary wing rotor plane rotorcraft bag special steel