Originally Posted by
GogglesPisano
Always a good idea to use earplugs in the Boeings -- especially the older 757s (I've even had to shout at the gate during the brief because of the fans.
)
You'd be surprised what 75db for 6 hours can do to your hearing.
Cycle the right recirc fan. It takes the packs out of high flow and you can actually hear yourself think.