In which situation would WCHR service NOT be appropriate?

WCHR service, which stands for "Wheelchair Requested – Handicapped Ramp," is designed for individuals who require assistance due to limited mobility. This service is specifically intended for passengers who need help accessing and navigating through an airport's facilities. In the context of the choices provided, the situation where WCHR service would not be appropriate is when a passenger is completely mobile.

A fully mobile individual does not need special assistance to move around the airport or to board an aircraft, thus rendering the WCHR service unnecessary. The service is aimed at those who struggle with mobility, whether due to physical limitations, age-related issues, or injuries. Therefore, passengers who can walk independently do not qualify for such assistance, as they are capable of managing their own movement without the need for a wheelchair or other mobility aid.