aircraft, a four-engined biplane de Havilland DH.86 Express named Éire, with a capacity of 14 passengers. This aircraft provided the first air link between Dublin and London by extending the Bristol service to Croydon. At the same time, the DH.84 Dragon was used to inaugurate an Aer Lingus service on the Dublin-Liverpool route.

The airline was established as the national carrier under the Air Navigation and Transport Act