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CAO.A.025 Combined airworthiness exposition

Annex Vd (Part-CAO) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IRImplementing rule

CAO.A.025Combined airworthiness exposition

(a)The CAO shall provide a manual containing at least the following information: (1) a statement signed by the accountable manager confirming that the organisation will at all times work in accordance with the requirements of this Annex and the CAE; (2) the CAE's scope of work; (3) the title(s) and name(s) of the person(s) referred to in points (a) and (b) of point CAO.A.035; (4) an organisation chart showing the chains of responsibility between the person(s) referred to in points (a) and (b) of CAO.A.035; (5) a list of certifying staff with their scope of approval, if such staff exist; (6) a list of staff responsible for the development and approval of aircraft maintenance programmes (AMPs) with their scope of approval, if such staff exist; (7) a list of airworthiness review staff with their scope of approval, as well as staff authorised to develop an evaluation programme and conduct the corresponding investigation activities, if such staff exist; (8) a list of staff responsible for the issuance of permits to fly, if such staff exist; (9) a general description and location of the facilities; (10) procedures specifying how the CAO shall ensure compliance with the requirements of this Annex; (11) the CAE amendment procedure, as provided for in point (b) of point CAO.A.105.

(b)The initial CAE shall be approved by the competent authority.

(c)Amendments to the CAE shall be handled in accordance with point CAO.A.105.

IR · CAO.A.025 — Regulation (EU) No 1321/2014 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

AMCAcceptable means of compliance

AMC1 CAO.A.025Combined airworthiness exposition (CAE)

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This AMC provides an outline of the layout of an acceptable CAE.

ChapterDescriptionImplementing rule reference
PART A — GENERAL DESCRIPTION
A.1Statement by accountable managerCAO.A.025(a)(1); CAO.A.035(a)
A.2General presentation of the organisationCAO.A.035(a); CAO.A.100(e)
A.3Description and location of the facilitiesCAO.A.025(a)(9); CAO.A.030
A.4Scope of workCAO.A.020(a); CAO.A.025(a)(2); CAO.A.095(e); Appendix I point (a)
A.5Exposition amendments and changes to the organisationCAO.A.025(a)(11)/(c); CAO.A.105
A.6Procedure for alternative means of complianceCAO.A.017
A.7Management personnelCAO.A.025(a)(3); CAO.A.035(b); CAO.A.100(a)
A.8Organisation chartCAO.A.025(a)(4)
A.9Manpower resourcesCAO.A.035(d)
A.10List of certifying staffCAO.A.025(a)(5)
A.11List of staff responsible for the development and approval of the aircraft maintenance programme (AMP)CAO.A.025(a)(6)
A.12List of airworthiness review staffCAO.A.025(a)(7); CAO.A.045(d)
A.13List of staff responsible for the issuance of permits to flyCAO.A.025(a)(8)
A.14List of staff responsible for the evaluation programmeCAO.A.025(a)(7)
PART B — GENERAL PROCEDURES
B.1Quality (or organisational review) systemCAO.A.100(a)/(b)/(d)/(e)/(f)
B.2Audit plan (or frequency and content of organisational review)CAO.A.100(b)/(f)
B.3Monitoring of maintenance contractsCAO.A.100(b)(2)
B.4Qualification, assessment and training of staffCAO.A.035(c)/(d)/(e)/(f); CAO.A.040(a); CAO.A.045(a)/(b)/(c); CAO.A.060(a)
B.5One-off certification authorisationCAO.A.040(b)
B.6Limited certification authorisationCAO.A.040(c)
B.7SubcontractingCAO.A.095(a)(2)/(b)(3); CAO.A.100(f)
B.8Maintenance data and continuing airworthiness management dataCAO.A.055(a); CAO.A.080
B.9Records management and retentionCAO.A.035(e); CAO.A.040(d); CAO.A.045(e); CAO.A.050(b); CAO.A.060(j); CAO.A.075(a)/(b)(9); CAO.A.090; CAO.A.100(c); CAO.A.085
B.10Carrying out the airworthiness reviewCAO.A.085; CAO.A.095(c)(1); CAO.A.095(c)(2)
B.11Conformity with approved flight conditionsCAO.A.095(d)
B.12Issue of the permit to flyCAO.A.095(d); CAO.A.045(a)
B.13Development and implementation of an evaluation programmeCAO.A.095(c)(3)
B.14Procedure for the issue of a recommendation to the competent authority for the issue of a Part-66 licence in accordance with point 66.B.105 (limited to the cases in which the competent authority for the Part-CAO approval and for the Part-66 licence is the same).66.B.105
PART C — MAINTENANCE PROCEDURES
C.1Maintenance — generalCAO.A.025(10)
C.2Work order acceptanceCAO.A.055(b)
C.3Components, equipment, tools and material (supply, acceptance, segregation, storage, calibration, etc.)CAO.A.050; CAO.A.060(d); CAO.A.030(b)
C.4Maintenance facility (selection, organisation, cleanliness and environmental limitations)CAO.A.060(b)/(e)/(f)
C.5Maintenance accomplishment and maintenance standardsCAO.A.095(a)(1); CAO.A.060(c); Appendix I points (b)/(c)/(d)
C.6Prevention of maintenance errorCAO.A.060(g)/(i)
C.7Critical maintenance tasks and error-capturing methodCAO.A.060(h)
C.8FabricationCAO.A.020(c)
C.9Certifying staff responsibilities and maintenance releaseCAO.A.040(a); CAO.A.065; CAO.A.070; CAO.A.095(a)(4)
C.10Defects arising during maintenanceCAO.A.075(b)(6)
C.11Maintenance away from approved locationCAO.A.095(a)(3)
C.12Procedure for component maintenance under aircraft or engine ratingAppendix I point (b)/(c)
C.13Procedure for maintenance on installed engine (or component) under engine (or component) ratingAppendix I point (c)/(d)
C.14Special procedures (specialised tasks, non-destructive testing (NDT), engine running, etc.)CAO.A.030(a); Appendix I point (e)
C.15Issue of airworthiness review certificate (ARC) under maintenance privilegeCAO.A.095(c)(2)
PART D — CONTINUING AIRWORTHINESS MANAGEMENT PROCEDURES
D.1Continuing airworthiness management — generalCAO.A.025(10); CAO.A.095(b)(1); CAO.A.075(a)/(b)(7)/(b)(9)
D.2Minimum equipment list (MEL) (and configuration deviation list (CDL)) applicationCAO.A.075(a)
D.3AMP development, control and periodic reviewCAO.A.075(a)/(b)(1)/(b)(2); CAO.A.095(b)(2)
D.4Airworthiness directives and other mandatory airworthiness requirementsCAO.A.075(a)/(b)(5)/(b)(8)
D.5Modifications and repairsCAO.A.075(b)(3)
D.6Pre-flight inspectionCAO.A.075(a)
D.7DefectsCAO.A.075(b)(6)
D.8Establishment of contracts and work orders for the maintenanceCAO.A.075(a)/(b)(4)/(b)(7)
D.9Coordination of maintenance activitiesCAO.A.075(b)(8)
D.10Mass and balance statementCAO.A.075(a)/(b)(10)
D.11Issue of ARC or ARC recommendationCAO.A.095(c)(1)(i); CAO.A.095(c)(1)(ii)
D.12ARC extensionCAO.A.095(b)(4)
D.13Maintenance check flightsCAO.A.075(a)
PART E — SUPPORTING DOCUMENTS
E.1Sample documents
E.2List of subcontracted organisations
E.3List of organisations contracted by the CAO
E.4Aircraft technical log system (if applicable)
E.5List of the currently approved alternative means of compliance
E.6Copy of contracts for subcontracted continuing airworthiness tasks

AMC · AMC1 CAO.A.025 — Regulation (EU) No 1321/2014 · ED Decision 2026/005/R · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

AMCAcceptable means of compliance

AMC2 CAO.A.025Combined airworthiness exposition (CAE)

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(a)Personnel should be familiar with those parts of the CAE that are relevant to their tasks.

(b)The CAO may use electronic data processing (EDP) for the publication of the CAE. Attention should be paid to the compatibility of the EDP systems with the necessary dissemination, both internally and externally, of the CAE.

AMC · AMC2 CAO.A.025 — Regulation (EU) No 1321/2014 · ED Decision 2020/002/R · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

All rules in SECTION A — ORGANISATION REQUIREMENTS

Consolidated from the EASA Easy Access Rules (revision 2 Sep 2025, extracted 17 Aug 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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