| AdjacentSeat | |
| AdjacentSeat_Aisle | |
| AdjacentSeat_Together | |
| Aisle | |
| BlockedSeat | |
| BlockedSeat_Permanent | |
| Center | |
| ExitRow | |
| GroupSeating | |
| InfantOnLap | |
| NearCloset | |
| NearLavatory | |
| NearSpace | |
| NearStairs | |
| Nonsmoking | |
| Other_ | Use this value to provide an extended enumeration that is not in the provided list. |
| Overwing | |
| Pet_Carriage | |
| Pet_Medium | |
| Pet_Small | |
| PortableOxygen | |
| PremiumSeat | |
| PremiumSeat_Reassign | |
| PremiumSeat_Upgrade | |
| ProximitySeating_Together | |
| Smoking | |
| Specific | |
| UnaccompaniedTravel_Minor | |
| UnaccompaniedTravel_PassengerAssistance | |
| UnaccompaniedTravel_Senior | |
| Window | |