FAA AC 33.7-1 : 2010

1. Purpose
2. Applicability
3. References
4. Background
5. TCDS - section 33.7(a)
6. Engine Ratings - General
7. Rated Takeoff Power or Thrust (unaugmented) - section
    33.7(c)(1)(iv)
8. Rated Maximum Continuous Power or Thrust
    (unaugmented) - section 33.7(c)(1)(ii)
9. Rotorcraft Engine OEI Ratings
10. Auxiliary Power Unit (APU) Mode of Operation - section
    33.7(c)(1)(x)
11. Operating Limitations - General
12. Torque, Rotational Speed (R.P.M.) and Gas Temperature for
    Each Rating - section 33.7(c)(1)
13. Fuel, Oil and Hydraulic Fluid Specification - section 33.7,
    Paragraphs (c)(2), (c)(3) and (c)(4)
14. Temperature of Oil, Fuel and Engine Surface - section 33.7,
    Paragraphs (c)(5)(i), (c)(5)(iv) and (c)(5)(v)
15. Pressure of Fuel, Oil and Hydraulic Fluid - section 33.7,
    Paragraphs (c)(6)(i), (c)(6)(ii) and (c)(6)(iv)
16. Accessory Drive Torque and Overhang Moment - section
    33.7(c)(7)
17. Component Life, and the Number of Start-Stop Stress Cycles
    Approved for Each Rotor Disc and Spacer - section 33.7,
    Paragraphs (c)(8) and (c)(12)
18. Fuel and Oil Filtration - section 33.7, Paragraphs (c)(9)
    and (c)(10)
19. Bleed Air - section 33.7(c)(11)
20. Inlet Air Distortion at the Engine Inlet - section
    33.7(c)(13)
21. Transient Rotor Shaft Overspeed, Gas Overtemperature, and
    Engine Overtorque - section 33.7, Paragraphs (c)(14),
    (c)(15), and c(16)
22. Maximum engine overtorque for turbopropeller and
    turboshaft engines incorporating free power turbines
    - section 33.7, Paragraph (c)(17)
23. Selection of Engine Power and Thrust Ratings - section
    33.8
APPENDIX 1: Examples of TCDS Annotations for Engine Ratings
            and Operating Limitations per section 33.7(c)(1)
APPENDIX 2: Revision History of Definitions for Turbine
            Engine Ratings

Gives information and guidance on turbine engine compliance under part 33 of Title 14 of the Code of Federal Regulations (14 CFR), specifically section 33.7, Engine ratings and operating limitations, and 33.8, Selection of engine power and thrust ratings.