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Old 25th Mar 2021, 09:10
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Plane Speaker
 
Join Date: Aug 2000
Location: UK
Posts: 61
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The certification rule is an additional 10% of masks in the cabin. ie 180 pax requires 198 02 masks. Every PSU having an additional 02 mask makes positioning parents with infants much easier in the cabin. Each lav has 2 masks.
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