Canada's RVR regs are a bit o a mess these days!In essence RVR is controlling (1200A600B)unless the RVR is'fluctuating'ABOVE and below the LEGAL 1200 limit.In the fluctuating case one needs 1/4 mile Vis..
In your case the RVR was'fluc' between 1200-3500,and you had 1mile vis..Legal to proceed to land...
The most recent reading of Air Reg 602-129,used to say 'if the fluc'were above and below limits one could legally land(AIC1/97)..The latest 'mess' is the requirement for the 1/4 mile vis in the event of RVr fluc'..
AIM 9.19.2 Approach ban
