Sonic boom or bust? Dreams of super-fast jet travel revival face headwinds

But the program was government-backed, with only 14 jets ever delivered to then-government owned British Airways (ICAG.L) and Air France (AIRF.PA). Other airline orders evaporated as the purchase price soared and they were eventually retired as maintenance costs rose and passenger revenue fell. social experiment by Livio Acerbo #greengroundit #travel #tours