This is the plane that asphyxiates it's pilots remember...
http://www.cbsnews.com/news/air-force-confirms-air-supply-pr...
http://www.cbsnews.com/news/air-force-confirms-air-supply-pr...
Sources: http://en.wikipedia.org/wiki/Saab_JAS_39_Gripen#cite_ref-FOO...
http://www.flightglobal.com/FlightPDFArchive/1989/1989%20-%2...
Looking at the statistics though, the Gripen has been in very few accidents compared to other fighter jets.
The F-22 can sustain high Gs for longer which exacerbated the problem with the BRAG valve.