Originally Posted by
SoCalGuy
FWIW.....I've never JS/Walked up front on a L-UA B757, so I ask this myth to verified. I've 'heard' that B757 Flt Dk's at L-UA have carpeted floors? The L-CO B757-200/300 are w/o carpet. If the above holds 100% true, that alone makes a HUGE difference when comparing the noise level on the two fleets/B757's, L-UA v L-CO. The flight deck noise/fatigue has to be different when comparing the two (carpeted vs none) environments on any appreciable leg/distance.
Yes, our 757
cockpits (no matter what the new FOM says, it ain't a "flight deck") are downright luxurious with wall-to-wall carpeting! That ought to offset the GPS on your 757s when it comes to the SLI arbitration

.
The right recirc fan seems to be the main noise source in our 757s.