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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 14 - Aeronautics and Space |
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Chapter I - Federal Aviation Administration, Department of Transportation |
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SubChapter C - Aircraft |
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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) |