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MODULE 5. DIGITAL TECHNIQUES/ELECTRONIC INSTRUMENT SYSTEMS

Annex III (Part-66) · Regulation (EU) No 1321/2014 · EAR revision 2 Sep 2025

IRImplementing rule

MODULE 5. DIGITAL TECHNIQUES/ELECTRONIC INSTRUMENT SYSTEMS

MODULE 5. DIGITAL TECHNIQUES/ELECTRONIC INSTRUMENT SYSTEMSLEVEL
AB3B1B2 B2L
5.1 Electronic instrument systems1111
5.2 Numbering systems——12
5.3 Data conversion——12
5.4 Data buses——22
5.5 Logic circuits
(a) Identification and applications;——22
(b) Interpretation of logic diagrams.———2
5.6 Basic computer structure
(a) Computer terminology and technology;1122
(b) Computer operation.———2
5.7 Microprocessors———2
5.8 Integrated circuits———2
5.9 Multiplexing———2
5.10 Fibre optics——12
5.11 Electronic displays1122
5.12 Electrostatic sensitive devices1122
5.13 Software management control—122
5.14 Electromagnetic environment—122
5.15 Typical electronic/digital aircraft systems1111

IR — Regulation (EU) No 1321/2014 · Regulation (EU) 2023/989 · Continuing Airworthiness Easy Access Rules · EAR revision 2 Sep 2025

All rules in APPENDICES TO ANNEX III (Part-66)

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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