Ключевые слова: aerial, air, aircraft, airport, ambulance, america, aviation, bay area, business, ca, california, care, chopper, company, copter, editorial use only, emergency, fast, flight, flying, health, healthcare, helicopter, helipad, hospital, ill, industry, injured, life flight, logo, looking up, medical, palo alto, pilot, red, rescue, rotor, safety, san francisco bay, service, sky, skyline, stanford, stanford health care, stanford healthcare, transport, transportation, travel, united states, usa,