Thanks for the replies so far guys.
The Oktet 3A/3E were actually the SIDs which started this thread for me and ,as has been said, certain plates do not state PRNAV which some pilots assume (incorrectly it seems) mean they can do a BRNAV departure without a conventional overlay. Although these two SIDs are similar the tracks are slightly different.
The AIC was from the crewroom (paper copy) which may well not have been updated (cost saving initiative rears its ugly head again).
If anyone can tell me how to get into PANSOPs I will have a look at the point Rudolf mentioned.
Cheers