There are accident victims who are in need of the highest trained professionals possible, so they are flown by air ambulance fleets. Individuals are in need of IV solutions and infusion sets , and/or an experienced nurse while they travel. As they do not have the ability to be transferred on the usual commercial airplanes . This frequently is because these are case patients which require a heart monitor and/or a flight paramedic , medivac fleets are needed. Nearly all air ambulances are corporations that are privately ran. Outpatients occasionally look for medevac operations on the telephone directory. When there may be victims of major illnesses that are in need of being transferred to a specialized medical facility or are visiting from another country, there are establishments that facilitate the transfer of patients for a routine non-emergency transport.