Passenger service system

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A PSS ("Passenger Service Systems"), is a series of critical systems used by airlines. The PSS usually comprises an Airline Reservation System, an Airline Inventory System and a Departure Control System (DCS).


Generally the PSS is made up of modules that are used to manage different parts of the airline’s business.

The Airline Reservation System is the system that allows an airline to sell their inventory (seats). It contains information on schedules and fares and contains a database of reservations (or Passenger Name Records) and of tickets issued (if applicable).

The Airline Inventory System may or may not be integrated with the Reservation System. The system contains all the airline’s flights and the available seats. The main function of the Inventory System is to define how many seats are available on a particular flight by opening or closing an individual booking class in accordance with rules defined by the airline.

The Departure Control System is the system used by airlines and airports to check-in a passenger. The DCS is connected to the Reservation System enabling it to check who has a valid reservation on a flight. The DCS is used to enter information required by customs or border security agencies and to issue the boarding document. In addition the DCS may also be used to dispatch cargo and to optimize aircraft weight and balance.

Major Systems[edit]

Name Description Vendor Contact Info
WorldTicket Sell-More-Seats® Direct and GDS sales, global BSP ticketing WorldTicket
amelia Reservation Comprehensive PSS InteliSys Aviation Systems
Avantik Effective LCC & Hybrid PSS Provided by Bravo Passenger Solutions
AccelAero Comprehensive PSS Information Systems Associates - ISA [1]
Altéa Comprehensive PSS Amadeus IT Group [2]
Crane PAX Full-fledged PSS Hitit Computer Services
Zenith PSS Travel Technology Interactive
Navitaire Comprehensive PSS Navitaire
Radixx Air Enterprise PSS Radixx Solutions International
HP Agilaire / HP Shares (former EDS Shares) PSS HP HP Travel and Transportation Solutions
iFlyRes PSS IBS Software Services [3]
SabreSonic Customer Sales & Service Comprehensive CSS Sabre Airline Solutions [4]
Horizon PSS SITA [5]
ARCO PSS Alitalia [6]
Travelport Meridian(TM) PSS Travelport [7]
Sirena-Travel PSS Sirena-Travel [8]
RESIBER PSS Iberia [9]
Astral PSS Aer Lingus [10]
Mercator (MARS) PSS Mercator [11]
COMPASS PSS Aero Systems Indonesia
Takeflite Comprehensive PSS Takeflite Solutions
Kiu Airline Solutions Suite Comprehensive PSS Kiu System Solutions

See also[edit]