Duke 90 is volgens ADSB H-60 15-20754 (nu bij de grens) en Grit 41 is CH-4713-08432. De rest plot niet, dus "ogen aan het hek" zullen aanvullende info moeten geven
Duke90 : 20754, 20311, 2074*, +1
Grit31 13-08434, 08432, 08134, 08437 and 08435.
639 made an attempt to depart around noon as Camel40, but had to shut down, technical reasons id say.