--- title: "SUBPART D – TURBINE ENGINES: DESIGN AND CONSTRUCTION — CS-E — rule index · Avioverse" description: "SUBPART D – TURBINE ENGINES: DESIGN AND CONSTRUCTION (21 paragraphs), CS-E. (See AMC E 500) (a) The Engine must be free from dangerous surge and…" url: "https://avioverse.aero/regulations/easa/cs-e/subpart-d" --- # SUBPART D – TURBINE ENGINES: DESIGN AND CONSTRUCTION Engines (CS-E) · CS-E 1. ## [CS-E 500 Functioning](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-500-functioning) (See AMC E 500) (a) The Engine must be free from dangerous surge and instability throughout its operating range of ambient and running conditions within… 2. ## [AMC E 500 Functioning - Control of Engines (Turbine Engines for Aeroplanes)](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-500-functioning-control-of-engines-turbine-engines-for-aeroplanes) It is normally acceptable that the control of Engines within their limitations may be achieved by manual, as opposed to automatic, means provided that… 3. ## [CS-E 510 Safety Analysis](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-510-safety-analysis) (See AMC E 510) (a) (1) An analysis of the Engine, including the control system, must be carried out in order to assess the likely consequence of all… 4. ## [AMC E 510 Safety analysis](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-510-safety-analysis) Introduction. Compliance with CS-E 510 requires a safety analysis which should be substantiated, when necessary, by appropriate testing and/or comparable… 5. ## [CS-E 515 Engine Critical Parts](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-515-engine-critical-parts) (See AMC E 515) The integrity of the Engine Critical Parts identified under CS-E 510 must be established by: 6. ## [AMC E 515 Engine Critical Parts](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-515-engine-critical-parts) Introduction Because the Failure of an Engine Critical Part is likely to result in a Hazardous Engine Effect, it is necessary to take precautions to… 7. ## [CS-E 520 Strength](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-520-strength) The major rotating components of the Engine must have adequate strength to withstand both the thermal and dynamic conditions of normal operation and any… 8. ## [AMC E 520(a) Strength - High Cycle Fatigue](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-520-a-strength-high-cycle-fatigue) In order to minimise the adverse consequences of Failures due to unpredicted high cycle fatigue it is recommended that, normally, the relative fatigue… 9. ## [AMC E 520(c)(1) Strength - Shedding of Blades](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-520-c-1-strength-shedding-of-blades) In order to reduce the risk of a single blade Failure leading to a multiple blade Failure and possible non-containment, particular attention should be… 10. ## [AMC E 520(c)(2) Engine Model Validation](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-520-c-2-engine-model-validation) Validated data specifically for blade loss analysis typically includes: 11. ## [AMC E 520(d) Strength – Local Failures](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-520-d-strength-local-failures) Local Failures of the Engine casing may include localised cracking. 12. ## [CS-E 525 Continued Rotation](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-525-continued-rotation) (see AMC E 525) If any of the Engine’s main rotating systems will continue to rotate after the Engine is shutdown for any reason while in flight, and… 13. ## [AMC E 525 Continued rotation](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-525-continued-rotation) Continued rotation can be either due to windmilling or due to mechanical effects such as clutch drag in the case of a multi-engined rotorcraft. 14. ## [CS-E 540 Strike and Ingestion of Foreign Matter](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-540-strike-and-ingestion-of-foreign-matter) (See AMC E 540) (a) The Engine must be designed so that the strike and ingestion of foreign matter that is likely to affect only one Engine in any one… 15. ## [AMC E 540 Strike and ingestion of foreign matter](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-540-strike-and-ingestion-of-foreign-matter) When complying with CS-E 540(a), the substantiation of the strike and ingestion effects of foreign objects such as cleaning cloths, hand tools, rivets… 16. ## [CS-E 560 Fuel System](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-560-fuel-system) (See AMC E 560) (a) (1) Each fuel specification to be approved, including any additive, and the associated limitations in flow, temperature and pressure… 17. ## [AMC E 560 Fuel System](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-560-fuel-system) More than one type of fuel may be allowed: CS-E 560(a) applies to each type and covers additives in the fuel (for example, fuel system icing inhibitor). 18. ## [CS-E 570 Oil System](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-570-oil-system) (See AMC E 570) (a) (1) The design of the oil system must be such as to ensure its proper functioning under all intended flight attitudes, installation… 19. ## [AMC E 570 Oil system](https://avioverse.aero/regulations/easa/cs-e/subpart-d/amc-e-570-oil-system) Each filter or strainer requiring regular servicing should be accessible for draining and cleaning or replacement. 20. ## [CS-E 580 Air Systems](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-580-air-systems) Where bleed air is used to cool or to pressurise areas of the Engine, the functions of which could be detrimentally affected by the ingress of foreign… 21. ## [CS-E 590 Starter Systems](https://avioverse.aero/regulations/easa/cs-e/subpart-d/cs-e-590-starter-systems) Where the starter is declared as part of the Engine, its design, and that of its associated drive mechanism, must be such that over-speeding of the… Consolidated from the EASA Easy Access Rules (revision 7 Dec 2023, extracted 13 Oct 2026) for convenience. 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