--- title: "CS 23.2400 – CS 23.2445: SUBPART E — POWERPLANT INSTALLATION (CS-23) — rule index · Avioverse" description: "CS 23.2400 – CS 23.2445, CS-23. For the purpose of this Subpart, the aeroplane powerplant installation must include each component that is necessary for…" url: "https://avioverse.aero/regulations/easa/cs-23/subpart-e" --- # SUBPART E — POWERPLANT INSTALLATION Normal-Category Aeroplanes (CS-23) · CS-23 · CS 23.2400 – CS 23.2445 On this page 1. ## [CS 23.2400 Powerplant installation](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2400) For the purpose of this Subpart, the aeroplane powerplant installation must include each component that is necessary for propulsion, affects propulsion… [AMC1 23.2400 Powerplant installation](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2400#amc1-23-2400) [AMC2 23.2400 Powerplant installation](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2400#amc2-23-2400) [AMC3 23.2400 Powerplant installation](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2400#amc3-23-2400) 2. ## [CS 23.2405 Power or thrust control systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2405) Power or thrust control systems are systems that intervene with the power selection commanded by the direct power settings. [AMC1 23.2405 Power or thrust control systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2405#amc1-23-2405) [AMC2 23.2405 Power or thrust control systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2405#amc2-23-2405) [AMC3 23.2405 Power or thrust control systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2405#amc3-23-2405) 3. ## [CS 23.2410 Powerplant installation hazard assessment](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2410) The applicant must assess each installation separately and in relation to other aeroplane systems and installations to show that any hazard resulting… [AMC1 23.2410 Powerplant installation hazard assessment](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2410#amc1-23-2410) [AMC2 23.2410 Powerplant installation hazard assessment](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2410#amc2-23-2410) [AMC3 23.2410 Powerplant installation hazard assessment](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2410#amc3-23-2410) 4. ## [CS 23.2415 Powerplant installation ice protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2415) The aeroplane design must prevent foreseeable accumulation or shedding of ice or snow that adversely affect powerplant operation. [AMC1 23.2415 Powerplant installation ice protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2415#amc1-23-2415) [AMC2 23.2415 Powerplant installation ice protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2415#amc2-23-2415) [AMC3 23.2415 Powerplant installation ice protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2415#amc3-23-2415) 5. ## [CS 23.2420](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2420) (reserved) 6. ## [CS 23.2425 Powerplant operational characteristics](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2425) The installed powerplant must operate without any hazardous characteristics during normal and emergency operation within the range of operation… [AMC1 23.2425 Powerplant operational characteristics](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2425#amc1-23-2425) [AMC2 23.2425 Powerplant operational characteristics](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2425#amc2-23-2425) [AMC3 23.2425 Powerplant operational characteristics](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2425#amc3-23-2425) 7. ## [CS 23.2430 Powerplant installation, energy storage and distribution systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2430) Each system must: Be designed to provide independence between multiple energy storage and supply systems so that a failure of any one component in one… [AMC1 23.2430 Powerplant installation, energy storage and distribution systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2430#amc1-23-2430) [AMC2 23.2430 Powerplant installation, energy storage and distribution systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2430#amc2-23-2430) [AMC3 23.2430 Powerplant installation, energy storage and distribution systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2430#amc3-23-2430) 8. ## [CS 23.2435 Powerplant installation support systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2435) Powerplant installation support systems are all systems whose direct purpose is to support the powerplant or the energy storage device in its intended… [AMC1 23.2435 Powerplant installation support systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2435#amc1-23-2435) [AMC2 23.2435 Powerplant installation support systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2435#amc2-23-2435) [AMC3 23.2435 Powerplant installation support systems](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2435#amc3-23-2435) 9. ## [CS 23.2440 Powerplant installation fire protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2440) There must be means to isolate and mitigate hazards to the aeroplane in the event of a powerplant system fire or overheat in operation. [AMC1 23.2440 Powerplant installation fire protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2440#amc1-23-2440) [AMC2 23.2440 Powerplant installation fire protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2440#amc2-23-2440) [AMC3 23.2440 Powerplant installation fire protection](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2440#amc3-23-2440) 10. ## [CS 23.2445 Powerplant installation information](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2445) The following powerplant installation information is established: [AMC1 23.2445 Powerplant installation information](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2445#amc1-23-2445) [AMC2 23.2445 Powerplant installation information](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2445#amc2-23-2445) [AMC3 23.2445 Powerplant installation information](https://avioverse.aero/regulations/easa/cs-23/subpart-e/cs-23-2445#amc3-23-2445) Consolidated from the EASA Easy Access Rules (revision 13 May 2026, extracted 13 Oct 2026) for convenience. 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