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Training courses

EWIS Part-21 Training Course

Introduction

On 5th Sept. 2008, the European Aviation Safety Agency issued a revised certification standard for large aircraft, CS-25, Amendment 5. CS-25 today contains the consolidated outcome to NPA 2007-01 in regards to the Aeroplane Electrical Wiring Interconnection System (EWIS)" requirements as an outcome of the Enhanced Airworthiness Program for Airplane Systems (EAPAS).

This amendment requires TC Holders and applicants for STCs, TCs or restricted TCs to comply with the new requirements in regards to EWIS.

This training provides guidance for personnel directly involved in the Certification Work of alterations to large aircraft.

An evaluation for the need to revise or amend the Instruction for Continued Airworthiness (ICA) must be done whenever new or modified wiring is installed, or the installation potentially interfere with existing wiring on the aircraft. Therefore it should be noted that the training is necessary not only for companies involved in the installation of electrical or electronical systems but also to organisation designing mechanical changes or structural repairs.

The training will provide hands on training for EWIS ICA analysis in regards to AMC 20-21, CM-ES-002 and AC25-27A as well as the compliance finding to Subpart H of CS-25 and related guidance material such as AC25.1701-1.

The course provides examples of certification efforts to be done for a MAJOR, Non-Significant change (STC), as well as an example project with Analysis for additional/amended ICA.

Course Content

The course topics are selected to satisfy Part 21 Subpart J needs such as:

 

  • EAPAS / EWIS Requirement Evolution
  • Regulatory Background including differences between FAA and EASA system.
  • Evaluation for amended or new ICA as per EASA AMC and FAA AC,
  • Compliance Finding for modifications in regards to Subpart H of CS-25.
  • Use of OEM Documentation to support the evaluation.
  • Documentation to be prepared and provided by the TC or STC Holder.

Learning Objectives

After training, the participant is able to properly evaluate the new alteration in regards to EWIS and effectively apply AMC/AC material to develop new or amended ICA for a given alteration.

Who should take this course

This training is targeted at persons who are involved in the development of alterations to aircraft which potentially affect EWIS existing or being newly installed.

Pre-requisites

Basic knowledge of Part 21 regulation, principles of System Safety Analysis and compliance showing are necessary.

Duration

1 day (starting at 09:00 and ending at approximately 17:00)

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