MPDP-1 Increased from 3 CH to 3:12 CH (4.F.2.b.i.). Duty periods during a trip, when such trip contains at least one layover.
MPDP-2 Increased from 6 CH to 6:24 CH (4.F.2.b.ii.). A duty period comprised exclusively of a trip which departs and returns to base in the same duty period (out and back).
MPDP-E Increased from 6 CH to 6:24 CH (4.F.2.b.iii.). A duty period which operates into and out of a designated MPDP-E sort facility.
MPDP-F Increased from 9 CH to 9:36 CH (4.F.2.b.iv.). The final duty period of a trip, which is comprised of revenue flying then deadhead to base.
Domestic Night Rig Increased from 1:1.92 to 1:1.5 (4.F.2.d.ii.)
International Rig Increased from 1:1.92 to 1:1.73 (4.F.2.d.iv.)
See the FDX MEC Scheduling Committee's 20 Oct 2025 message
here for examples.