I can add a few more serials from my log book while on 35 in NEAF:
XH 554, 560-561
XJ 780,781, 782, 784
XL 320, 389, 391
570 - 573
Interestingly, especially for Bill Macgillivray, my last flights were a day return Akr-Wad and RTB, 5.00 there and 4.20 back in 824