"We have made clear at every stage that we want to settle this long-running issue,"EU Trade Commissioner Valdis Dombrovskis told a news conference after an online meeting of EU trade ministers on Monday.
"Regrettably,despite our best efforts (and) due to lack of progress on the US side,we can confirm that the European Union will later today exercise our rights and impose counter-measures awarded to us by the WTO in respect to Boeing."
From Tuesday,the EU will impose tariffs of 15 per cent on US exports of planes and parts and of 25 per cent on a range products including tobacco,nuts,fruit juice,fish,spirits,bags,tractors and casino and gym equipment.
The bloc says its main objective is to persuade the United States to negotiate a solution,arguing the chief beneficiaries of the dispute are competitors such as China's COMAC.
US Trade Representative Robert Lighthizer said the EU's decision was disappointing,but refrained from threatening any US response. Last month,he warned any EU measures would"force a US response",while Donald Trump,who remains US president until January 20,threatened to"strike back harder".
Lighthizer's office said the two sides were in negotiations to resolve the longstanding dispute,but gave no details.