A person with reduced mobility (PRM) is a person whose mobility is limited for the purpose of using a vehicle due to any physical (sensory or motor, permanent or temporary) or mental disability, due to age or any other reason that requires special attention and adaptation to his/her needs of the services available to all passengers.
In general, a PRM is a passenger who needs the assistance of another person to get to the exit of the aircraft as quickly as possible in case of emergency evacuation. This also includes passengers who have serious difficulties in receiving or understanding emergency instructions.
Airlines use internationally recognized codes to determine the level of assistance they should provide to a person with a disability in each case. These codes are as follows:
WCHR : Passengers who need assistance while moving between the aircraft and the terminal, but are unable to board and move around inside the aircraft themselves.
WCHS : Passengers who need assistance between the aircraft and the terminal as well as to board the aircraft, but they were independent in it.
WCHC : Passengers without any mobility and not self-sufficient. They must be escorted to their seats and need full personal assistance. If the flight lasts more than three hours, an accompanying person is required.
DEAF : passengers with hearing impairment.
BLND : Passengers with visual impairment.
DEAF/BLND : Deaf and blind passengers.
STCR : Passengers on stretchers.
DPNA : Passengers with mental disabilities.
WCHP : Passengers who need assistance to get to their seats and who can move inside the aircraft with a wheelchair; were self-sufficient in personal care
MAAS : Passengers who require assistance and do not fit into any of the above categories.