During the troubles, the NI Wessex Fleet used to transit on a regular basis changing over airframes as they went for Major Servicing etc. Here are the ones that I went through on but obviously a small number from the 33 years of Wessex Ops in NI.
15/05/80 XT606 (O) Odi-Val-Ald NICO
XR511 (L) Ald-Val-Odi NICO
04/07/80 XT607 (P) Ald Val NICO
XT675 (?) Val Ald NICO
01/10/80 XT669 (T) Shy Val NICO
XR525 (G) Val Odi NICO
22/04/81 XR522 (?) Ald Val NICO
XV723 (Q) Val Ald NICO
13/07/81 XR509 (?) Ben Val Ald NICO
21/01/82 XT681 (U) Ald Val NICO
XR517 (N) Val Ald NICO
03/05/82 XT669 (T) Ald Val Ben OP Corporate Deployment
27/05/82 XR517 (N) Ald Val Ben NICO
XV723 (Q) Ben Val Ald NICO
22/09/82 XT676 (I) Ald Val NICO
XV728 (A) Val Ald NICO
01/12/85 XV723 (Q) Wad Val Ald Exercise Recovery
05/03/86 XV728 (A) Shy Ald Div to Val U/S
06/03/86 XV728 (A) Val Ald Recovery
04/06/87 XR511 (L) Ald Val Ben NICO
22/05/92 XR511 (L) Ald Val Ben NICO
I have added the aircraft letter codes, sadly there are 3 that I cannot remember.