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Thread: IMC minimium
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Old 12th July 2002 | 03:03
  #26 (permalink)  
slim_slag
 
Joined: Jan 2001
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From: He's on the limb to nowhere
send clowns

you may not descend below 1000' on your approach until the RVR or visibility is above your minimum. That is ICAO law, as taught in the ATPL syllabus, and I believe incorporated into JARs.

In which case the FAA is in breach of ICAO laws.

FAR 91.175(d)
Landing. No pilot operating an aircraft, except a military aircraft of the United States, may land that aircraft when the flight visibility is less than the visibility prescribed in the standard instrument approach procedure being used.
It doesn't matter what RVR is reported (if it is reported at all), you can descend to 200 ft on the ILS to have a look-see for yourself what flight visibility is. How can you find out what flight visibility is if you cannot go below 1000ft to look? ATC definitely don't know what it is, they might not even be able to see if it's cloudy outside.


There are several minima relevant for an approach. If you bust one you might just die, bust another you might just lose your licence. I think this thread is trying to identify the latter, but I'll be damned if I have read an authoritative answer

Why are people so worried about upsetting ATC by flying the missed at "two miles out"? It's a valid flight profile, ATC should be prepared for it at any stage, and should separate traffic accordingly. Do you pay for a practice approach in the UK? If so, ATC should be nice to you, the paying customer. If they don't want you to fly the published missed procedure, what is wrong with them just saying "fly runway heading", politely of course?
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