(P31)	(Q2516403)
(P92)	(Q1875889) (P958) § 27 c (P17)
(P279)	(Q1361182)

aliases

air traffic service air navigation safety air traffic safety flight safety

External Links

(P227)	4154771-8
(P244)	sh85002704
(P2671)	/g/123243ckq
(P8189)	987007294602005171
(P12596)	21623