|unit cost=£190 million (projected)<ref name=tr20110125/>
|program cost=Projected to be £7.1 billion<ref name=tr20110125>{{cite web |url=http://www.youtube.com/watch?v=ILrj8g7rODk |title=Video of Alan Bond Lecture |author=Alan Bond |year= 2010|work=Travelling at the edge of space: Reaction Engines and Skylon in the next 20 years |publisher= Reaction Engines Limited|accessdate=9 March 2011}}</ref> (~$12 billion est. 2004)<ref name=sf20110125>{{cite web | url = http://www.reactionengines.co.uk/faq.html| title = Skylon FAQ| author = | year = 2010| work =Frequently Asked Questions | publisher = Reaction Engines Limited| accessdate = 2011-01-25}}</ref>
|variants with their own articles=
|developed from=[[HOTOL]] (Horizontal Take-Off and Landing) project
}}
|}
== Skylone (kosmoselennuk) ==
'''Skylone''' on [[Suurbritannia]] kompaania poolt
