Army Families Federation (AFF) Service Families Accommodation (SFA) Survey Results You may or may not have taken part in the recent AFF Survey which asked for your comments, if you have recently moved into your SFA. Over 600 Families took part in the survey and the results are highlighted below. This is well worth a read a will undoubtedly prepare you for what to look out for when you take over your new SFA in the coming months.