Certification Process for TC, RTC, STC, Changes, Repairs, ETSO Authorizations - WI.CERT.00172-003

Oct 4, 2026

Certification Process for TC, RTC, STC, Changes, Repairs, and ETSO Authorizations provides controlled work instruction content for European Union Aviation Safety Agency activities. It defines preparation, validation, verification, review, and approval roles, including dated sign-offs and document control references. The scope covers type and restricted type certification as primary authority, detailing phased execution from working-method agreement through compliance demonstration and final report issuance, plus post-type certification actions.

LanguageEnglish

CategoryExam

FormatPDF

Pages61

Reading Time2 h 34 min

AccessFree to download

Contents

Purpose and scope

Type Certification and Restricted Type Certification as primary authority

Type Certification

Post Type Certification

Certification Process for TC, RTC, STC, Changes, Repairs, ETSO Authorizations WI.CERT.00172-003 | | Name | Validation | Date | | --- | --- | --- | --- | | Prepared by: | Ralf BADER | Validated | 21/08/2025 | | Verified by: | Ralf BADER | Validated | 21/08/2025 | | Reviewed by: | Dominique PERRON | Validated | 21/08/2025 | | Approved by: | Rachel DAESCHLER | Validated | 21/08/2025 | DOCUMENT CONTROL SHEET | Reference documents | | --- | | a) Procedures | | PR.CERT.00001-Airworthiness of type design
PR.CERT.00003-ETSO Authorisation
PR.CSERV.00001-Certification Support for Validation | | b) Internal documents | | WI.CERT.00005-Decisions and signatures for certification
WI.CERT.00012-Electronic application review & task assignment
WI.CERT.00057-Publication an Consultation of Certification Memoranda, Special Conditions, Equivalent Safety Findings, Deviations
WI.CERT.00146-CRI and CAI writing and management
WI.CERT.00154-Purpose, criteria, categories and format of Certification Memoranda WI.CERT.00155-LoI management for ETSOA
WI. IMS.00134-CT Records management and Filing Plan
FO.CERT.00095-Technical visa for type certificate / restricted type certificate
FO.CERT.00096-Technical visa for post TC design approval
FO.CERT.00134-EASA validation of FAA STC classified as Basic and limited to one serial number FO.CERT.00147-Level of Involvement for ETSOA
FO.CERT.00148-Multi Technical Visa for ETSOAFO.CERT.00166-ETSO LOI Database
TE.CERT.00046-ETSO Deviation Consultation Paper TE.CERT.00048-EASA TCDS CS 23-GA
TE.CERT.00049-EASA TCDS CS 27 29-Rotorcraft.
TE.CERT.00050-EASA TCDS P-Propellers TE.CERT.00051-EASA TCDS CS 25-LATE.CERT.00052-EASA TCDS CS E-Engines TE.CERT.00053-Explanatory note to TCDSTE.CERT.00076-Final certification report TE.CERT.00080-TCDSN-Noise
TE.CERT.00090-Type certificate
TE.CERT.00091-Approval/Certificate Type
TE.CERT.00097-Supplemental type certificate (propeller)
TE.CERT.00098-Change approval (propeller)
TE.CERT.00099-Type Certificate (Propeller) TE.CERT.00135-EASA TCDS CS 22
TE.CERT.00136-TCDS for VLA
TE.CERT.00137-TCDS for CS-31 Balloons | TE.CERT.00145-EASA Approved Model List (AML) TE.CERT.00150-Project Information Document TE.CERT.00173-Final Report of a Certification Project Note: Templates are available in ARIS and “Certification Process Documents” in SEPIAC | Abbreviations/Definitions | | --- | | a) Abbreviations
AMC/GM: Acceptable Means of Compliance and Guidance Material CM: Certification Memorandum
CRD: Comment Response Document
CRI: Certification Review Item
CP: Consultation Paper
CS: Certification Specification
Dev: Deviation
EASA: European Union Aviation Safety Agency
ESF: Equivalent Safety Finding
FAA: Federal Aviation Administration
HoD: Head of Department
NAA: National Aviation Authority
PCM: Project Certification Manager
PID: Project Information Document
QE: Qualified Entity
SC: Special Condition
WI: Work Instruction | | Log of issues | | | | --- | --- | --- | | Issue | Issue date | Change description | | 001 | 19/11/2024 | First issue to transfer the relevant information for the Certification Process which was previously included in the Certification Handbook UG.CERT.00002-009g. | | 002 | 19/02/2025 | Chapter 5.3 clarification that the ESoS tool is SEPIAC | | 003 | 21/08/2025 | Chapter [2.1.4.2](2.1.4.2) : Clarification on MRB process
Chapters 6.1.1.1.2 and 6.1.1.1.3 update to reflect the updated TCDSentries for emissions | | | European Union Aviation Safety Agency Work Instruction | | | | --- | --- | --- | --- | | | Certification Process for TC, RTC, STC, Changes, Repairs, ETSO Authorizations | Doc \#
Approval Date | WI.CERT.00172-003
21/08/2025 | Contents 1. Purpose and scope.................................................................................................................................................................................

FAQs

What does the work instruction cover for certification activities?

It covers certification processes for TC, RTC, STC, changes, repairs, and ETSO authorizations, with defined phases and post-certification actions.

How is the type certification process structured?

Type certification is organized into multiple phases, starting with definition and agreement of working methods, progressing through technical familiarisation, acceptance of the certification programme, compliance demonstration/verification, and ending with the final report and issuance of the type certificate.

What are the document control and approval elements included in the sheet?

The document control sheet lists prepared by, verified by, reviewed by, and approved by roles, each marked as validated with an approval date, plus references to related procedures and internal documents.

Oct 4, 2026

Uploaded by วิน