Ключевые слова: aerospace industry, air vehicle, aircraft, authority, automotive, aviation, blade, blue, british, bundespolizei, chop, chopper, city, clear sky, cop, crew, crime, emergency, enforcement, flight, fly, helicopter, hovering, investigation, justice, law, law enforcement, metropolitan, patrol, piloting, police helicopter, protect, protection, rescue, safety, security, sky, squad, squadron, street, summer, surveillance, technology, transport, transportation, uk, urban, vehicle,