The Boeing 787 is a newly conceived twin jet wide-body aircraft that demonstrates a new level of cost efficiency for the airlines It is the first commercial airliner with a fuselage constructed mostly of carbon-fibre reinforced composite materials Operating costs are 10 lower than those of a Boeing 767 achieved through lower fuel consumption & a 20 saving on weight Two types of engine are available the RR Trent 1000 & the GEnx Its maiden flight took place on 15 December 2009 & delivery is expected by the end of 2011 The airliners order list shows 840 orders for this revolutionary new commercial aircraft Model kit contain 72 pieces Model kits are designed for children aged 10 years & upwards Measures 386 cm in length & it has 42 cm span width