A special service requests code (SSR) is used by airlines to capture information about special meal requests, special baggage handling requests, unaccompanied minors, and disabled passengers, among other things. Some SSR codes are used across the air travel industry, and some are airline-specific.

Not all airlines use all of the codes.

Examples of disability-related SSR codes

• BDGP - Blind or vision impaired passenger travelling with a guide dog and requires no assistance.
• BDGR - Blind or vision impaired passenger travelling with a guide dog and requires a walker to and from the terminal to the aircraft.
• BLND - Blind Passenger
• BLDP - Blind or vision impaired passenger travelling alone without a sighted companion and requires no assistance.
• BLDR - Blind or vision impaired passenger travelling alone without a sighted companion: that requires a walker to and from the terminal to the aircraft.
• BLSC - Blind or vision impaired passenger travelling with a sighted companion and requires no assistance.
• DMAA - Passenger with an intellectual disability who is able to understand and respond appropriately to safety instructions and does not require a Personal Care Attendant, but does require a walker to and from the terminal to the aircraft.
• DEAF - Deaf Passengers
• ESAN - Customer traveling with an emotional support animal
  Emotional support animal
  An emotional support animal is a US legal term for a pet which provides therapeutic benefit to its owner through companionship and affection. Emotional support animals are not specially trained to ameliorate disability as psychiatric service dogs are...
  
  
• MAAS - Meet And Assist in need of assistance with baggage claim and/or connecting gate; can be suffixed with BLIND or DEAF
• MEDA - Medical Assistance (oxygen)
• PPOC - Customer traveling with an approved portable oxygen concentrator
• SVAN - A Customer traveling with a service animal
• WCOB - Wheel Chair On Board - Passenger requires on-board/in-flight Assistance
• WCHR - Wheel Chair to Ramp - Passenger can ascend/descend steps and make own way to/from cabin seat, but requires wheelchair for distance to/from aircraft
• WCHS - Wheel Chair to top of Steps - Passenger is able to walk but unable to ascend or descend stairs
• WCHC - Wheel Chair in Cabin - Passenger is paraplegic/quadriplegic, requires an on-board wheelchair and must be carried to/from cabin seat
• WCMP - Passenger is traveling with manual power wheelchair
• WCBD - Passenger is traveling with dry cell operated wheelchair
• WCBW - Passenger is traveling with wet cell operated wheelchair

Examples of special seating requirements SSR codes

• BSHCT - Bassinet/Bulkhead Seating Requested
• CHD - Booking contains child aged 2–11 years
• EXST - Extra seat required
• INF - Booking contains an infant
• INFT - Infant accompanying adult passenger
• UMNR - Unaccompanied minor
  Unaccompanied minor
  An unaccompanied minor is a child without the presence of a legal guardian. This term is used in immigration law and in airline policies. The specific definition varies from country to country and from airline to airline.-Immigration Law:...
  
  
• PETC - Passenger is travelling with an assistance dog
• SMED - Passenger has medical condition

Examples of special meal SSR codes

• AVML - Asian Vegetarian Meal Requested
• BBML - Baby/Infant Meal Requested
• BLML - Bland Meal Requested
• CHML - Child Meal Requested
• DBML - Diabetic Meal Requested
• FFML - Frequent Flyer Meal Requested
• FPML - Fruit Plate Requested
• GFML - Gluten Free Meal Requested
• HFML - High Fiber Meal Requested
• HNML - Hindu Meal Requested
• JAIN - Jain Meal Requested (very strict vegetarian: No meat of any sort; no onion/garlic/ginger/all root vegetables; cooked Indian-style)
• KSML - Kosher Meal Requested
• LCML - Low Calorie Meal Requested
• LFML - Low Cholesterol / Low Fat Meal Requested
• LSML - Low Sodium / Low Salt Meal Requested
• LPML - Low Protein Meal Requested
• MOML - Muslim Meal Requested
• NLML - Non-Lactose Meal Requested
• ORML - Asian Meal Requested
• PNUT - A Customer allergic to peanut dust
• PRML - Low Purin Meal Requested
• RVML - Raw Vegetarian Meal Requested
• SPML - Special Meal Requested
• SFML - Sea Food Meal
• VGML - Vegetarian Non-Dairy/Egg (Vegan) Meal Requested
• VLML - Ovo-Lacto Vegetarian Meal Requested

Examples of baggage SSR codes

• BULK - Passenger has bulky baggage
• CBBG - Cabin Baggage/Carry-on luggage

Examples of other SSR Codes

• TWOV - Transit without Visa
• AVIH - Passenger Traveling with Pet in Luggage or Cargo
• BBSL - Baby Sleeping Bag Requested
• FQTV - Frequent Traveller Info
• LANG - Language assistance needed
• PREG - Passenger Pregnant
• SPEQ - Passenger Traveling with Sports Equipment
• STCR - Stretcher Pax (Passenger normally has to pay for 6 seats to accommodate stretcher)
• UADT - Adult Assistance Service Requested