PPRuNe Forums - View Single Post - Heathrow Airlines' Noise Ratings

10th Nov 2013, 19:56

#9 (permalink)

DaveReidUK

Join Date: Jan 2008

Location: Reading, UK

Posts: 15,820

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Quote:

So does green mean no violations in that category, yellow slight violation, red big violation?

Follow the link in the first post for an explanation of what the colours mean.

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