International Classification of Assistance to the Passenger

Below a legend with the meaning given to encodings used by the operators:

IATA CODE LEGEND

 WCHR (WHEEL CHAIR RAMP)

 Passenger who can move slowly on their own but needs a wheelchair for long trips. 

 WCHS (WHEEL CHAIR STAIR)

 Passenger who can independently perform a few movements, like the door of the aircraft at the assigned place.

 WCHC (WHEEL CHAIR COMPLETELY)

 Passenger who can not make any movement on their own and need complete assistance to the whole journey.

 DEAF

 Deaf Passenger

 BLIND

 Passengers with visual disabilities

 DEAF/BLIND

 Passengers with impaired vision and hearing, who needs the assistance of an attendant to move.

 DPNA

 Passengers with intellectual or behavioral problems.