In the county of Stockholm with 2 million inhabitants and an area of 6,500 km2 , a trial project with a helicopter ambulance, staffed by physicians, was carried out during the summer seasons of 1978 to 1980. A total of 507 missions were accomplished.

The Trial Project. During the summer a large number of tourists visit the Stockholm archipelago. For these people there is a problem in the event of acute illness or accident to get qualified medical care without delay. A Bell 206 Long Ranger was based at Barkarby airport just outside the city of Stockholm. This was manned by doctors, ambulance personnel and a pilot, and was supplied with an emergency kit, intubation equipment, a portable ECG apparatus and a defibrillator.