| Description |
| Used for an Alpha String, length 1 to 2 (for letter codes). |
| Type : UpperCaseAlphaLength1to2 |
| Definition |
| Identifies the ticketed RBD. This may be different than the ticket class. RBD stands for reservation booking designator. |
| Parents |
| \OTA_GroundAvailRQ\Service\Pickup\Airline
\OTA_AirAvailRQ\BookedFlightSegment\OperatingAirline |