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CHAPTER S — ELECTRICAL SYSTEMS

Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7 · Aerodromes · Regulation (EU) No 139/2014 · CS ADR-DSN.S.875 – CS ADR-DSN.S.895

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  1. CS ADR-DSN.S.875 Electrical power supply systems for air navigation facilities

    Adequate primary power supply should be available at aerodromes for the safe functioning of air navigation facilities.

  2. GM1 ADR-DSN.S.875 Electrical power supply systems for air navigation facilities

    The safety of operations at aerodromes depends on the quality of the supplied power.

  3. CS ADR-DSN.S.880 Electrical power supply systems

    For a precision approach runway, a secondary power supply capable of meeting the requirements of Table S-1 for the appropriate category of precision…

  4. GM1 ADR-DSN.S.880 Electrical power supply

    At an aerodrome where the primary runway is a non-instrument runway, a secondary power supply capable of meeting the requirements of CS ADR-DSN.S.875(d)…

  5. CS ADR-DSN.S.885 System design

    For a runway meant for use in runway visual range conditions less than a value of 550 m, the electrical systems for the power supply, lighting, and…

  6. GM1 ADR-DSN.S.885 System design

    Guidance on means of providing this protection is given in ICAO Doc 9157, Aerodrome Design Manual, Part 5, Electrical Systems.

  7. CS ADR-DSN.S.890 Monitoring

    A system of monitoring should be employed to indicate the operational status of the lighting systems.

  8. GM1 ADR-DSN.S.890 Monitoring

    For a runway meant for use in runway visual range conditions less than a value of 550 m, the minimum serviceability level of any element of the lighting…

  9. CS ADR-DSN.S.895

    Intentionally left bank [Issue: ADR-DSN/3] [Issue: ADR-DSN/5]

  10. GM1 ADR-DSN.S.895

    Intentionally left bank [Issue: ADR-DSN/3] [Issue: ADR-DSN/5]

Consolidated from the EASA Easy Access Rules (revision 13 Mar 2026, 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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