Meaning 2ND TIER
What does 2ND TIER mean? Below you find one meaning for the word 2ND TIER You can also add a definition of 2ND TIER yourself
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2ND TIERTier refers to the scope of a TMI. 2ND TIER refers to those enroute centers immediately adjacent to the one where a TMI or a constraint in place, plus the centers immediately adjacent to those (meaning a 2ND TIER TMI would capture more traffic than a 1ST TIER TMI). For example, if there is a 2ND TIER ground delay program (GDP) in place at EWR, whic [..]
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