In summary:
Section 1
:17 Permitted A/C types - prop driven with fewer than 70 seats and max take off weight of 70,000 lbs.
:17C - one of up to 57 jet A/C with 70 or fewer seats and max takeoff weight of 85,000 lbs. The number (57) will be increased to a maximum of 75 at the rate of one aircraft for each increment of 10,000 scheduled block hours of company flying in the previous year above the scheduled block hours set forth for that year in the block hour plan set forth in Section 1 E.1 (ie prior to any resets under Section 1 E. 5. or 6). Parts 5 and 6 have to do with the excused compliance and automatic fixed reset agreements.