Core Viewpoint - President Trump threatens to decertify Canadian-made aircraft and impose a 50% tariff unless Canada certifies Gulfstream jets, accusing Canada of blocking certification while allowing its own planes access to the U.S. market [1][2]. Group 1: Aircraft Certification Dispute - The dispute revolves around the aircraft certification process, which determines whether planes can be sold and operated in a country [1]. - Trump claims Canada has illegally refused to certify Gulfstream jets, which he describes as technologically advanced [2]. - He asserts that Canada is effectively prohibiting the sale of Gulfstream products through the certification process [2]. Group 2: Proposed Tariffs and Impact - Trump announced that if the situation is not corrected, he will impose a 50% tariff on all aircraft sold into the U.S. from Canada [2]. - It remains unclear which specific aircraft, beyond Bombardier's Global Express line, would be affected by the proposed tariffs [5]. - As of early Friday, over 400 Canadian-made aircraft were operating to and from U.S. airports, with 150 Global Express aircraft registered in the U.S. [5]. Group 3: Regulatory Authority and Responses - The authority to decertify aircraft rests with the FAA, and it is uncertain how Trump would implement such a decertification [9]. - The Federal Aviation Administration and the European Union Aviation Safety Agency have certified the Gulfstream G800 jet, while Transport Canada has not responded to requests for comment [8].

Group 1: Trade Tariffs and Aircraft Certification - President Trump announced a potential 50% tariff on Canadian aircraft sold in the US, contingent on Canada's certification of Gulfstream jets [1] - Trump accused Canada of illegally refusing to certify Gulfstream jets, claiming this prohibition affects Gulfstream's sales in Canada [1] - The threat of decertifying Canadian-made Bombardier aircraft could impact US corporate travel, as many companies rely on Bombardier jets [4][5] Group 2: Impact on Bombardier - Bombardier's CRJ regional jets are widely used by US airlines, with American Airlines operating about 200 CRJ aircraft and Delta Air Lines having over 150 [2] - More than half of Bombardier's global fleet of over 5,200 aircraft operates in the US, with 64% of sales coming from the US market [10] - The majority of Bombardier's Global 7500 jet costs are tied to US manufacturing, with significant components sourced from various states [11] Group 3: Industry Reactions and Context - Aviation analysts expressed concerns about the implications of Trump's actions on safety and certification processes [3] - The ongoing trade tensions between the US and Canada are highlighted by Trump's threats, which coincide with negotiations over the USMCA trade agreement [7] - The US Trade Representative's report does not mention Canada's aircraft certification process as a non-tariff barrier [12]