Hawker Siddeley

==1935–19??==
==19??–1992==
In 1977, Hawker Siddeley stopped aircraft production, but in 1992, they officially went defunct after merging with British Aircraft Corporation and Scottish Aviation, forming British Aerospace.
Category:1935
Category:Defunct
Category:Aerospace
Category:Defunct aerospace companies
Category:Engineering
Category:United Kingdom
Category:Kingston upon Thames
Category:Aircraft
Category:Defunct aircraft companies
Category:Hawker Siddeley