Ключевые слова: 911, air, aircraft, alaska, altitude, and, assistance, blue, coast, cruise, emergency, evacuation, flying, guard, helicopter, help, ill, injured, job, lifeguard, lifesaving, medevac, medical, medivac, military, object, outdoor, passengers, patient, patrol, pick up, profession, professional, rescue, response, rotor, safety, sea, search, service, ship, skies, sky, sos, states, trace, transport, transportation, united, us,