Airports in Ireland suffered some of the biggest falls in passenger numbers in Europe last year, according to a continent-wide survey.
Shannon airport had the worst decline in the 300-airport survey - dipping 37.2% in 2010 compared with 2009.
Overall, Irish airports had a 13% fall in passenger numbers last year compared with 2009, the figures from airline network news and analysis company anna.aero found.
Ireland and the UK, where airports had a 3.4% decline, were two of only six countries which suffered a decline in passenger growth last year, the others being the Czech Republic, Slovakia, Slovenia and Greece.
Anna.aero said Ireland's economic problems were "clearly reflected in the country's airport statistics".
The statistics covered airports handling at least 100,000 passengers in 2010 and included Russia and Morocco.
Overall, European airports handled 4.8% more passengers in 2010 than in 2009. The biggest increases last year were in Russia (up 25.4% on 2009), Lithuania (up 23.7%) and Turkey (up 20.1%).
At individual airports, the biggest rises last year were at Kaunas in Lithuania (up 77.3%) and Istanbul's Sabiha Gokcen airport (up 70.8%).