combination of measures and human and material resources intended to safeguard civil aviation against acts of unlawful interference that jeopardise the security of civil aviation, safeguarding civil aviation against acts of unlawful interference. This objective is achieved by a combination of measures and human and material resources., meetmete ja inim- ning materiaalsete ressursside kogum, mille eesmärk on kaitsta tsiviillennundust ebaseadusliku sekkumise eest