An aircraft must be equipped with all navigation, communication and other equipment necessary for the intended flight, taking account of air traffic regulations and rules of the air applicable during any phase of the flight.
Ní mór gach trealamh aerloingseoireachta agus cumarsáide agus gach trealamh eile is gá le haghaidh na heitilte atá beartaithe a chur ar aerárthach, agus na rialacháin aerthráchta agus na rialacha aeir is infheidhme ag aon chéim den eitilt á gcur san áireamh.