Editing Concorde (section)

===Programme cost===
The original programme cost estimate was £70&nbsp;million in 1962,<ref>{{Citation |title=Concorde |work=BBC Timewatch documentary |date=2003 |quote=By 1962, the cost estimates had already soared from 70 to 150 million pounds."<br/>"[By 1964], costs had doubled yet again to nearly 300 million pounds. <!--The documentary goes on to explain how the international treaty had been written in such a way that if either party wished to back out, the cost penalty for doing so would be exorbitant. (Whereas neither the US nor USSR had such barriers to cancelling their SST programmes, which both countries eventually did.)-->}}</ref> (£{{Format price|{{Inflation|UK-GDP|70000000|1962|r=3}}}} in {{Inflation/year|UK-GDP}}).{{Inflation-fn|UK-GDP}} After [[cost overrun]]s and delays the programme eventually cost between £1.5 and £2.1 billion in 1976,<ref>{{cite book | first=A. R. |last=Seebass |chapter-url=https://books.google.com/books?id=F2D_CAAAQBAJ&pg=PA3 |chapter=The Prospects for Commercial Supersonic Transport |title=New Design Concepts for High Speed Air Transport |archive-url=https://web.archive.org/web/20200604114554/https://books.google.com/books?id=F2D_CAAAQBAJ&pg=PA3 |archive-date=4 June 2020 |editor-first=H. |editor-last= Sobieczky |orig-year=1997 |publisher=Springer |url-status=live |isbn=9783709126585 |year=2014 |version=ebook|quote=The programme's cost, through March 1976, was put at between 1.5 and 2.1 billion in 1976 pounds sterling, or between 3.6 and 5.1 billion in 1977 U.S. dollars (yearly weighted exchange rates)}}</ref> (£{{Format price|{{Inflation|UK-GDP|1500000000|1976|r=2}}}} – {{Format price|{{Inflation|UK-GDP|2100000000|1976|r=2}}}} in {{Inflation/year|UK-GDP}}).{{Inflation-fn|UK-GDP}} This cost was the main reason the production run was much smaller than expected.<ref>In ''Concorde'' (BBC Timewatch, 2003) Chris Benjamin, Concorde Administrator (UK) 1971–74 said: "It's really a matter of great regret that an enormous amount of creativity, effort and resources were used to produce this aeroplane which has actually no sustainable benefit at all."</ref>