For the purposes of this chapter, the following words and phrases shall have the meanings respectively ascribed to them by this section:
Any privately or publicly owned vehicle, vessel or aircraft that is specially designed, constructed or modified and equipped and is intended to be used for and is maintained or operated to provide immediate medical care to or to transport persons who are sick, injured, wounded or otherwise incapacitated or helpless.
Any person riding in attendance with a patient.
The act of progressing with an ambulance to the scene of need and transporting a patient to his destination.
Certificate of public convenience and necessity issued by the City Council licensing the operation of an ambulance.