And contrary to some reports, he says the low-slung wings on the 737 do not prevent it being fitted with the larger GTF engines.
The Graphic Thought Facility (GTF) was asked to come up with a signage system for Summerhill School, a language college near Dudley.
The spokesman said that while the British government takes all such allegations very seriously, he was unable to comment on the legal action brought by the GTF.
One is the geared turbofan (GTF), a new type of jet engine from Pratt & Whitney, part of America's United Technologies group.
"This was an opportunity to make a catalog as quite an extreme object," said Paul Neale, co-founder of GTF.
"The Big Two have been outmaneuvered by Pratt & Whitney's GTF, which has enabled Bombardier's C Series to become a growing competitive threat," Mr. Aboulafia said.
Pratt & Whitney has agreed to fit its GTF 1000 Geared TurboFan engine, intended to be significantly more fuel-efficient than existing power plants, to the Bombardier planes, giving them a potentially winning edge in a highly cost-conscious market.
The GTF – which points out that the dossier in the hands of the Metropolitan police has also been in the possession of the FCO since late January – worries that Silva will have left the UK by the time action is taken.
The GTF, he added, has "complete faith in the British justice system".
GTF's giant colour-coded signage system was painted directly on to the walls.
