---
title: "SUBPART F — TURBINE ENGINES - ENVIRONMENTAL AND OPERATIONAL DESIGN REQUIREMENTS — CS-E — rule index · Avioverse"
description: "SUBPART F — TURBINE ENGINES - ENVIRONMENTAL AND OPERATIONAL DESIGN REQUIREMENTS (7 paragraphs), CS-E. (See AMC E 1000) Compliance with CS-E 1030 and CS-E…"
url: "https://avioverse.aero/regulations/easa/cs-e/subpart-f"
---

# SUBPART F — TURBINE ENGINES - ENVIRONMENTAL AND OPERATIONAL DESIGN REQUIREMENTS

Engines (CS-E) · CS-E

1. ## [CS-E 1000 General](https://avioverse.aero/regulations/easa/cs-e/subpart-f/cs-e-1000-general)

   (See AMC E 1000) Compliance with CS-E 1030 and CS-E 1040 is optional, at the request of the applicant.

2. ## [AMC E 1000 Operational Design Specifications — General](https://avioverse.aero/regulations/easa/cs-e/subpart-f/amc-e-1000-operational-design-specifications-general)

   CS-E Subpart F defines specifications for the design of an Engine to determine a configuration which would be required as part of the approval for…

3. ## [CS-E 1030 Time Limited Dispatch](https://avioverse.aero/regulations/easa/cs-e/subpart-f/cs-e-1030-time-limited-dispatch)

   (See AMC E 1030) (a) If approval is sought for dispatch with Faults present in an Electronic Engine Control System (EECS), a time limited dispatch (TLD)…

4. ## [AMC E 1030 Time limited dispatch](https://avioverse.aero/regulations/easa/cs-e/subpart-f/amc-e-1030-time-limited-dispatch)

   Guidance This AMC provides guidance for obtaining type design approval of engines with EECS in a degraded condition with respect to redundancy when these…

5. ## [CS-E 1040 ETOPS](https://avioverse.aero/regulations/easa/cs-e/subpart-f/cs-e-1040-etops)

   (See AMC 20-6) In order to be approved for ETOPS capability, the engine shall achieve an IFSD rate that is compatible with the safety target associated…

6. ## [CS-E 1050 Exposure to volcanic cloud hazards](https://avioverse.aero/regulations/easa/cs-e/subpart-f/cs-e-1050-exposure-to-volcanic-cloud-hazards)

   (See AMC E 1050) (a) The susceptibility of turbine Engine features to the effects of volcanic cloud hazards must be established.

7. ## [AMC E 1050 Exposure to volcanic cloud hazards](https://avioverse.aero/regulations/easa/cs-e/subpart-f/amc-e-1050-exposure-to-volcanic-cloud-hazards)

   Acceptable means of establishing the susceptibility of Engine features to the effects of volcanic clouds should include a combination of experience…

Consolidated from the EASA Easy Access Rules (revision 7 Dec 2023, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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