Part 33 — Airworthiness Standards: Aircraft Engines
Current through Jul 24, 2026
Authority: 49 U.S.C. 106(g), 40113, 44701, 44702, 44704.
Source: Docket No. 3025, 29 FR 7453, June 10, 1964, unless otherwise noted.
Note: For miscellaneous amendments to cross references in this Part 33, see Amdt. 33-2, 31 FR 9211, July 6, 1966.
Sections
- § 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.
- § 33.11 Applicability.
- § 33.13 [Reserved]
- § 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.
- § 33.31 Applicability.
- § 33.33 Vibration.
- § 33.34 Turbocharger rotors.
- § 33.35 Fuel and induction system.
- § 33.37 Ignition system.
- § 33.39 Lubrication system.
- § 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.
- § 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.
- § 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.
- § 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 [Reserved]
- Appendix D to Part 33—Mixed Phase and Ice Crystal Icing Envelope (Deep Convective Clouds)