Aer Lingus shares rose today on the back of an agreement reached between pilots' representatives and management following a night of talks.
At midday the airline's shares were trading at €2.37, a rise of 8 cents and the biggest single rise in since July 6th, when the airline reported that it expected operating profit in 2007 would 10 ten per cent.
Aer Lingus shares have fallen 14 per cent this year on a market value of €1.24 billion ($1.77 billion).
In a statement after the talks at the Labour Relations Commission ended, the airline said: "Following the successful conclusion of talks early this morning, Aer Lingus is pleased to confirm that the threat of disruption to services this week has been lifted."
The agreement between executives and union leaders will allow Aer Lingus employees at its new Belfast base to be hired on local terms.
Aer Lingus plans to start flying from Belfast to Amsterdam, Barcelona and Geneva from December; the following month, the carrier will start flying to Rome, London and Budapest.
Aer Lingus CEO Dermot Mannion said: "It's all systems go for the Belfast base and most importantly all systems go for a full operational schedule this week."