Originally Posted by
nwaf16dude
The only "hush kitting" NWA did was restricting us from using flaps 40(45?)
The DC9-50 had a blocking plate with a safety wire to stop flaps 50 unless an emergency. I think that was related to the hush kits.
Which was probably good since it took over 70% N1 just to maintain G/S with flaps 40