Ambulance emergency response vehicle

A nontransporting EMS vehicle, (also known by a variety of local names including fly-car and variations on response vehicle), is an emergency medical service (EMS) vehicle that responds to emergencies, but is not designed to transport a patient. For patients whose condition requires transport (e.g. to a hospital), an ambulance is necessary.

Non-transporting response vehicles (transport refers to the ability to transport a patient on a stretcher) are used for a variety of reasons, including economic, supervisory, and logistical (see #Purpose, below). In some cases they may fulfill other duties when not participating in EMS operations, such as policing or fire suppression.

Non-transporting EMS vehicles come in many sizes and types, from bicycles and golf-carts that can access pedestrian walkways; to motorcycles that are able to fit through stopped or slow traffic; to sedans, station wagons, and SUVs that can carry almost as much equipment as an ambulance; to fire engines that carry large crews and may carry specialized equipment. Essentially, any vehicle that lacks the ability to transport a patient may be used, depending on the needs of the local EMS system.

A non-transporting EMS vehicle can help emergency medical organizations use their resources more efficiently, assessing an incident's severity (especially where there is reason to suspect the injury or illness is not serious) and either treating the patient at the scene and then releasing them or calling in additional help if required. This saves resources on several levels, as most non-transporting vehicles cost much less than full-size ambulances, and because they may be staffed by a single person (ambulances require a minimum of two crew members: a driver and an attendant). Non-transporting vehicles may be used by supervisors, who may need to move between calls to complete their supervisory duties, or by more highly or specially trained medical providers (e.g. a physician or pain-management technician versus an emergency medical technician), saving those with higher or specialized training from being ensnared in calls that can be capably handled by responders with a more basic level of training.

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Wikipedia