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Clocks · March 16th, 2008, 15:37

Every time I try to explain 3585 I confuse myself.

To paraphrase my FOM...

3585 allows operation when a forcast's conditional remarks are below dispatch minimums, the main body of forcast must still be above dispatch minimums.

So you can still be dispatched to a destination which has "BCMG, TEMPO" etc below the normal minimums as long as those conditional remarks don't put the weather lower than 1/2 the lowest visibility value.

Your first alternate's conditional statements can't put the weather below 1/2 the visibility AND 1/2 the ceiling minimums.

A second alternate is required and must meet the normal alternate minimums.

March 16th, 2008, 15:37	#8
Clocks Senior Member Join Date: Mar 2007 Location: Getting furloughed Posts: 1,028	Re: 123 Rule with a Tempo Condition Every time I try to explain 3585 I confuse myself. To paraphrase my FOM... 3585 allows operation when a forcast's conditional remarks are below dispatch minimums, the main body of forcast must still be above dispatch minimums. So you can still be dispatched to a destination which has "BCMG, TEMPO" etc below the normal minimums as long as those conditional remarks don't put the weather lower than 1/2 the lowest visibility value. Your first alternate's conditional statements can't put the weather below 1/2 the visibility AND 1/2 the ceiling minimums. A second alternate is required and must meet the normal alternate minimums. __________________