Originally Posted by
PaulH1
A difficult one as if you are commencing an approach in marginal vis. you may not descend below 1000' agl if you do not have the required RVR. Descending to 700' would put you at 480' above the airfield. I would maintain 1220' and at 21D CLM continue climb.
I don't think this would be correct. You are not continuing the approach below 1000ft AAL, you are executing the missed approach as published. And that means going to 700ft MSL. That's also how it's coded in the nav data base.