Bombardier hits turbulence as US slaps duties on C Series jet

Montreal

BOMBARDIER Inc's all-new jetliner, which cost at least US$6 billion to develop, just got harder to sell in the world's largest aviation market.

The US Commerce Department slapped import duties of 220 per cent on the C Series plane on Tuesday, citing improper subsidies after a complaint by Boeing Co.

The preliminary determination threatens to upend Bombardier's planned deliveries next year to Delta Air Lines Inc, which ordered at least 75 jets with a list value of more than US$5 billion.

The US penalties c…