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British Airways Booking System (BABS) was British Airways' airline reservations system from 1973 to 2001.

Boadicea House is a British Airways data center situated at Heathrow Airport in London, England.

The data center was built between 1967 and 1968 for British Airways' predecessor, British Overseas Airways Corporation when they first adopted computer automation. The building was designed in the brutalist style by Gollins Melvin Ward & Partners.

The name Boadicea is taken from the computer system BOADICEA that the building was designed to house. The acronym stood for British Overseas Airways Digital Information Computer for Electronic Automation. British Overseas Airways Corporation practice had been to name buildings after aircraft and equipment designations; their other buildings at Heathrow included Speedbird House and Comet House.

History
The building has housed a succession of computer systems in its 50 year history. The initial BOADICEA system was a based around three IBM System/360 Model 65 computer systems, with peripherals supplied by Ferranti. BOAC purchased a Ferranti Argus 500 system for handling cargo operations.

BOADICEA won BOAC's Management Services Department a Queen's Award to Industry for technical innovation in 1972.

The BOADICEA system continued in use until 1973, when the newly formed British Airways combined BOAC's BOADICEA system with BEA's UNIVAC based BEACON system. The replacement system was an update and expansion of the BOADICEA system, and used two IBM System/370 Model 168 systems alongside the System/360 Model 65 computers specified for BOADICEA originally. British Airways christened their new computer system BABS - British Airways Booking System - and moved their operations from BOADICEA and BEACON to BABS between 1974 and 1975.

The BABS system remained in use for almost 30 years, until being replaced by the Amadeus CRS system between 2001 and 2002. BABS was upgraded to run on IBM 3090 hardware in the late 1980s. British Airways commissioned a site to supplement the Boadicea House facility in 1985, when part of Comet House was converted to be a data centre.

https://www.flightglobal.com/pdfarchive/view/1985/1985%20-%202933.html

British Airways also had financial interests in the Galileo GDS and Travicom reservation systems but chose the Amadeus CRS system when switching away from their in-house system, which was suffering from increasing obsolescence issues.

The building continues in use today as one of two data centres British Airways operate at Heathrow Airport, it was the site of a large failure in May 2017 which caused the complete failure of British Airways entire computer system, stranding 75,000 passengers and creating several days of disruption for the airline. The building's age and condition was speculated as a possible cause by industry analysts.