have demonstrated the ability to instruct in those areas in which flight instruction is to be given, including pre-flight, post-flight and ground instruction; and
léireoidh siad go bhfuil cumas teagaisc acu sna réimsí sin ina dtabharfar teagasc eitilte, lena n-áirítear teagasc réamh-eitilte, teagasc iareitilte agus teagasc ar an talamh; agus