Canadian-made aircraft have drawn the ire of US President Donald Trump, who is threatening to "de-certify" Canadian aircraft and levy a 50% tariff on those sold in the USA - unless Canada issues certifications for US-manufactured Gulfstream jets.

In an escalation of trade war with Canada, United States President Donald Trump said he will decertify all planes from the country and impose 50% tariffs on aircraft sold in the US until the neighbour...

“Mixing safety issues with politics and grievances is an incredibly bad idea,” said Richard Aboulafia, managing director of US aerospace management consulting firm AeroDynamic Advisory.