AMCAcceptable means of compliance
AMC E 30 Assumptions
The details required by CS-E 30 concerning assumptions should normally include information on, at least, the items listed in Table 1. TABLE 1
| Specifications/References | Assumptions |
|---|---|
| ALL ENGINES | |
| Interfaces CS-E 20 | Applicable aircraft specifications. Flight and ground loads. Aircraft components and equipment not included in the Engine definition. Attitudes. Negative g duration. Physical and functional interfaces with the aircraft Mount flexibility. |
| Engine Control System CS-E 50 | Type of aircraft installation. Conditions on the interfaces with the aircraft or the Propeller Environmental Conditions. |
| Instrumentation CS-E 60 | Instrumentation required and statement of accuracy. For engines with 30-Second / 2-Minute OEI ratings, conditions imposed on the usage recording system. |
| Strength CS-E 100 CS-E 520, CS-E 640 | Ultimate and limit loads; – out-of-balance loads, – operating envelope. |
| Fire precautions CS-E 130 | Reliance placed on the installation of fire-zone partitioning for any part of the mounting structure or Engine attachment points that are not Fireproof. |
| Electrical Bonding CS-E 135 | Reliance placed on aircraft provisions for electrical bonding of the Engine. |
| Propeller Functioning Tests CS-E 180 | Propeller system. Levels of the Propeller vibrations. |
| Failure Analysis CS-E 210, CS-E 510 | Installation aspects and the assumptions made with respect to any safety system that is required for the Engine and which is outside the applicant’s control. |
| Low Temperature Starting Tests, CS-E 380, E 770 | Minimum and maximum starting torque. |
| TURBINE ENGINES | |
| Freedom from surge CS-E 500 | Operating envelope, i.e. altitude, temperature, aircraft speed. Permissible intake distortion. |
| Low-cycle fatigue CS-E 515 | Engine Flight Cycle. |
| Continued Rotation CS-E 525 | Aircraft conditions such as airspeed, flight duration and ambient conditions. |
| Fuel System CS-E 560 | Fuel Specifications approved for use. Need for aircraft fuel anti-ice means or fuel with anti-ice additives. Assumptions made with respect to the maximum levels of contamination in the fuel supplied to the Engine. |
| Oil System CS-E 570 | Oil(s) approved for use. |
| Starter System CS-E 590 | Reliance placed on aircraft provisions for any safety system that is outside the applicant’s control. |
| Vibration Surveys CS-E 650 | Intake conditions, exhaust conditions. Propeller or thrust reverser effects. |
| Contaminated Fuel CS-E 670 | Duration of flight with contaminated fuel following indication of impending filter blockage, and critical temperature for test of AMC E 670 paragraph 2. |
| Inclination and Gyroscopic Loads Effects CS-E 680 | Flight manoeuvres. |
| Excess Operating Conditions CS-E 700 | Operating envelope. |
| Rotor Locking Test CS-E 710 | Maximum torque from continued flight. |
| Thrust or power response CS-E 745 | Minimum ground idle. Minimum flight idle. Flight envelope. |
| Icing Conditions CS-E 780 | Intake conditions and configuration. Aircraft speeds and appropriate Engine powers. Engine ingestion capabilities. |
| Ingestion of Rain and Hail CS-E 790 | Aircraft speeds, Engine speeds and altitudes. Intake throat area – Intake configuration. |
| Bird strikes CS-E 800 | Aircraft speeds, Engine speeds and altitudes. Intake throat area – Intake configuration. |
| Relighting in Flight CS-E 910 | Flight relighting envelope. |
| PISTON ENGINES | |
| De-icing and anti-icing CS-E 230 | Temperature rise provided. |
| Filters CS-E 260 | Provision to be made in installation. |
| Vibration Tests CS-E 340 | Propeller used. |
| Water Spray Tests CS-E 430 | Installation details. |
[Amdt No: E/1]
[Amdt No: E/4]
[Amdt No: E/5]
AMC — CS-E · ED Decision 2018/014/R · CS-E Easy Access Rules · EAR revision 7 Dec 2023