Yugoslavia reorganises air force . UK's MoD yet to sign contract to upgrade Harriers
YF120 chosen as JSF engine . Counter-trade demands delay Thai F-18
Yesterday's lessons, Past incidents could solve today's mysteries
Yeltsin says yes to Svobodny . Rockwell reveals SSTO X-33 design
"Year of Spaceship" dawns for Virgin
Year 2000: zeroing in . Aviation cuts it fine to tackle Millennium Bug
Yakovlev to build Galaxy fuselage
Yak-130 is rolled out, USN wants expanded-role F-18s
Yak-44 could emerge at Moscow Five teams battle for US EVS funding
XWB drives Boeing 777 refresh plan
XWB could auto descend in cabin pressure emergency. . EC publishes key emissions scheme list
X-ray telescope is on target . MDC launches first Iridium satellites
X-rated launchers, X-33-X-34 and DC-X programmes examined