SIPTU has pledged to step up its campaign to protect the terms and conditions of Aer Lingus employees following the decision of Ryanair to agree to the sale of the airline. 

SIPTU Aviation Sector Organiser Greg Ennis said SIPTU was not surprised by Ryanair's "profit-driven" decision to sell its shareholding in the airline. 

He said that he hoped the future of the airline would be secure, but warned they would be campaigning to copperfasten their members' terms and conditions in a Registered Employment Agreement to beat off threats like outsourcing. 

He said the real debate on the sale of Aer Lingus had taken place in 2006, but that some who were now shouting loudest against the sale had been very quiet then.