The companies already have received tentative approval from the US and Canadian regulators.
While avionics has been featured as sticking point with the commission, the antitrust authority has also identified other systems, such as where the packaging of products to customers, a process known as bundling, could also hurt competition.
The European Commission is the regulatory agency of the 15-nation European Union. It can block or force changes to company mergers even if the firms aren't based in Europe.



