Rolls-Royce is in the dark over whether ministers will seek a seat at the table of the European regulators that oversee the nuclear and aerospace industries.
The engineering group, which is one of Britain’s biggest exporters, is calling on the government to maintain influence on the rules set by the European Aviation Safety Agency and Euratom.
The government said that it would leave Euratom in its letter invoking Article 50 of the Treaty of Lisbon, but David Davis, the Brexit minister, raised the possibility of retaining associate membership last month. While the nuclear regulator is not technically an EU institution, it is subject to the European Court of Justice, whose jurisdiction the government has pledged to end.
The aviation regulator certifies aircraft and aerospace parts…