More European airlines are flying aircraft to test for damage from the volcanic ash cloud

More European airlines are flying aircraft to test for damage from  the volcanic ash cloud
http://www.bloomberg.com/apps/news?pid=20601209&sid=aNe1s2W7hbiQ

Tres compañías aéreas realizan vuelos de prueba satisfactorios entre la ceniza
http://www.elperiodico.com/default.asp?idpublicacio_PK=46&idioma=CAS&idtipusrecurs_PK=7&idnoticia_PK=705769