Canada's Retaliatory Tariffs Exempt Aircraft and Parts; Business-Jet Flight Records Show 56 Canada-US Crossings for Global 5500, 6500 and 7500 in Two Weeks

Canada's retaliatory tariff measures took effect on 8 September 2026 and do not cover aircraft, engines or their components, leaving business-jet manufacturing and MRO supply chains outside the new tax measures for now.

Business-jet flight-activity records show that between 27 August and 10 September 2026, the Global 5500, Global 6500 and Global 7500 completed a combined 56 Canada-US cross-border flights, split 28 in each direction and counted on a one-complete-flight-equals-one-movement basis. The Global 5500 recorded 19 movements (10 Canada-to-US, 9 US-to-Canada); the Global 6500 recorded 12 movements (6 in each direction); and the Global 7500 recorded 25 movements (12 Canada-to-US, 13 US-to-Canada). The data cut-off for this count is 11 September 2026, and the query covers only these three aircraft types.

Separately, on 8 September 2026, US President Trump threatened to restrict the sale of Bombardier aircraft in the United States unless they are manufactured domestically, without making clear at the time how such a restriction would be implemented. Earlier reporting had noted that in January 2026 the United States threatened to revoke certain Bombardier business-jet certifications and impose 50% tariffs on Canadian-manufactured aircraft; as of 24 August 2026, neither threat had been enacted.

Cases like this belong to a broader pattern in cross-border aviation trade: a threat is issued, its implementation mechanism and timing stay undefined, and the affected industry must operate under that ambiguity rather than under a settled rule. Business-jet MRO and dealer operations in Canada currently sit in exactly that position — the tariff exemption for aircraft and parts removes one source of immediate cost, but the separate certification and sales-restriction threats against Bombardier remain unresolved.

In this segment, inventory and contracting decisions typically shift only once a policy's mechanism and effective date are fixed; until then, operators weigh the cost of preemptive stockpiling or contract revision against the risk that the eventual rule looks nothing like the threat. The current evidence supports only that the incentive to review inventory exposure and risk-allocation clauses has risen, not that any systematic change has occurred.

What would settle the question is whichever comes first: a defined mechanism for restricting Bombardier aircraft sales in the US, formal action on the January 2026 certification or 50% tariff threats, or documented changes in MRO inventory levels or contract clauses. None of those had occurred as of the dates in this record.