Part 33 - Airworthiness Standards: Aircraft Engines  


Subpart A - General
§ 33.1 - Applicability.
§ 33.3 - General.
§ 33.4 - Instructions for Continued Airworthiness.
§ 33.5 - Instruction manual for installing and operating the engine.
§ 33.7 - Engine ratings and operating limitations.
§ 33.8 - Selection of engine power and thrust ratings.
Subpart B - Design and Construction; General
§ 33.11 - Applicability.
§ 33.13 - [Reserved]
§ 33.14 - Start-stop cyclic stress (low-cycle fatigue).
§ 33.15 - Materials.
§ 33.17 - Fire protection.
§ 33.19 - Durability.
§ 33.21 - Engine cooling.
§ 33.23 - Engine mounting attachments and structure.
§ 33.25 - Accessory attachments.
§ 33.27 - Turbine, compressor, fan, and turbosupercharger rotor overspeed.
§ 33.28 - Engine control systems.
§ 33.29 - Instrument connection.
Subpart C - Design and Construction; Reciprocating Aircraft Engines
§ 33.31 - Applicability.
§ 33.33 - Vibration.
§ 33.34 - Turbocharger rotors.
§ 33.35 - Fuel and induction system.
§ 33.37 - Ignition system.
§ 33.39 - Lubrication system.
Subpart D - Block Tests; Reciprocating Aircraft Engines
§ 33.41 - Applicability.
§ 33.42 - General.
§ 33.43 - Vibration test.
§ 33.45 - Calibration tests.
§ 33.47 - Detonation test.
§ 33.49 - Endurance test.
§ 33.51 - Operation test.
§ 33.53 - Engine system and component tests.
§ 33.55 - Teardown inspection.
§ 33.57 - General conduct of block tests.
Subpart E - Design and Construction; Turbine Aircraft Engines
§ 33.61 - Applicability.
§ 33.62 - Stress analysis.
§ 33.63 - Vibration.
§ 33.64 - Pressurized engine static parts.
§ 33.65 - Surge and stall characteristics.
§ 33.66 - Bleed air system.
§ 33.67 - Fuel system.
§ 33.68 - Induction system icing.
§ 33.69 - Ignitions system.
§ 33.70 - Engine life-limited parts.
§ 33.71 - Lubrication system.
§ 33.72 - Hydraulic actuating systems.
§ 33.73 - Power or thrust response.
§ 33.74 - Continued rotation.
§ 33.75 - Safety analysis.
§ 33.76 - Bird ingestion.
§ 33.77 - Foreign object ingestion - ice.
§ 33.78 - Rain and hail ingestion.
§ 33.79 - Fuel burning thrust augmentor.
Subpart F - Block Tests; Turbine Aircraft Engines
§ 33.81 - Applicability.
§ 33.82 - General.
§ 33.83 - Vibration test.
§ 33.84 - Engine overtorque test.
§ 33.85 - Calibration tests.
§ 33.87 - Endurance test.
§ 33.88 - Engine overtemperature test.
§ 33.89 - Operation test.
§ 33.90 - Initial maintenance inspection test.
§ 33.91 - Engine system and component tests.
§ 33.92 - Rotor locking tests.
§ 33.93 - Teardown inspection.
§ 33.94 - Blade containment and rotor unbalance tests.
§ 33.95 - Engine-propeller systems tests.
§ 33.96 - Engine tests in auxiliary power unit (APU) mode.
§ 33.97 - Thrust reversers.
§ 33.99 - General conduct of block tests.
Subpart G - Special Requirements: Turbine Aircraft Engines
§ 33.201 - Design and test requirements for Early ETOPS eligibility.
Appendix A to Part 33 - Instructions for Continued Airworthiness
Appendix B to Part 33 - Certification Standard Atmospheric Concentrations of Rain and Hail
Appendix C to Part 33
Appendix C to Part 33 - [Reserved]
Appendix D to Part 33 - Mixed Phase and Ice Crystal Icing Envelope (Deep Convective Clouds)