Safety investigation authorities may decide to investigate incidents other than those referred to in paragraphs 1 and 2, as well as accidents or serious incidents to other types of aircraft, in accordance with the national legislation of the Member States, when they expect to draw safety lessons from them.
Féadfaidh na húdaráis um imscrúdú sábháilteachta cinneadh a dhéanamh chun teagmhais eile seachas na teagmhais dá dtagraítear i mír 1 agus i mír 2 a imscrúdú, mar aon le tionóiscí nó teagmhais thromchúiseacha a bhaineann do chineálacha eile aerárthaí, i gcomhréir le reachtaíocht náisiúnta na mBallstát, nuair a cheapann siad go bhféadfaí ceachtanna sábháilteachta a bhaint astu.