What is the main idea of the news item? [originaltext] [6]The use of mobiles

[6]The use of mobiles on planes flying in European airspace has been given approval by UK regulator Ofcom. It has issued plans that will allow airlines to offer mobile services on UK-registered aircraft. The decision means that mobiles could be used once a plane has reached an altitude of 3,000m or more. The decision to offer the services now falls to individual airlines. However, there are other regulatory hurdles to overcome before the technology is considered to be fully- approved. The European Aviation Safety Agency needs to approve any hardware that would be installed in aircraft to ensure that it did not interfere with other flight systems. In addition, said a spokesman for the UK’s Civil Aviation Authority (CAA), airlines would need to develop operating procedures to ensure cabin crew were trained in the proper use of the systems. The services could stop working once the aircraft leave European airspace.