Stock photography, photos: Stretcher below helecopter Stock photos of Medical Evacuation at sea by helicopter. Stretcher being hoisted below Portuguese Super Puma helicopter Photograph: © David Henson Click for a larger image and more information Keywords associated with this stock photo: stretcher, helicopter, medical, wave, hospital, cruise, ship, public transportation, boat, transatlantic, ship, excitement, frightening, vessel, helicopters, med, waves, hospitals, cruise, cruise ships, cruising, passenger liner, passenger, liners, mass transit, boats, enthusiasm, Medical Evacuation, sea, hoist, Portuguese, Super Puma, rescue