Thanks for your comments; I didn't have many time to perform the needed research concerning the untitled ones (quite more difficult to identify than a 737-800 or an A320 ). Thanks to TUB001 for providing the infos. Hope to post some more logs very soon, about CRL or other places...
I usually spot during week-ends. I live very close to CRL, so I sometimes stop a few moments on my way back home after work (usually between 17:30 and 18:00), but in order to spend 2 or 3 hours at the different spots around the runway I have to wait for Saturdays or Sundays .
About the pics, I sometimes make some while spotting at CRL (and many more at BRU or AMS ! ), but I use an argentic camera 8O . I'll try to scan some pics but I'm afraid the quality won't be good enough to post here...