Safety Emphasis Items (SEIs) define areas of Validation Authority interest for all products of a certain category. SEI are defined in EASA/FAA TIP §220.127.116.11 and are part of the Non-Basic classification criteria.
The below table reflects the EASA lists of Safety Emphasis Items (SEI), which are applicable to FAA projects to be validated by EASA under the Technical Implementation Procedures (TIP) for airworthiness and environmental certification.
SEI Large Transport Aeroplanes: LINK
|General Aviation||SEI General Aviation: LINK|
|Rotorcraft||SEI list for Rotorcraft is presented in the EASA combined SSD and SEI List for CS 27 and CS 29 Rotorcraft: LINK|
|Propulsion||SEI Propulsion (Turbine Engines) : LINK|