rotor blades on the top of the aircraft engines and/or turbines a tail rotor a cabin with windows a fuselage skids or landing gear a cockpit with controls and instruments a fuel tank a searchlight or spotlight
helicopter which has rotor blades on the top of the aircraft helicopter which has engines and/or turbines helicopter which is a tail rotor helicopter which is a cabin with windows helicopter which is a fuselage helicopter which has skids or landing gear helicopter which is a cockpit with controls and instruments helicopter which is a fuel tank helicopter which is a searchlight or spotlight