---
title: "SPO.IDE.H.225 Transponder — Part-SPO · Avioverse"
description: "Where required by the airspace being flown, helicopters shall be equipped with a secondary surveillance radar (SSR) transponder with all the required…"
url: "https://avioverse.aero/regulations/easa/air-ops/part-spo/subpart-d/spo-ide-h-225"
---

# SPO.IDE.H.225 Transponder

ANNEX VIII (Part-SPO) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026

IR Implementing rule

## SPO.IDE.H.225 Transponder

Where required by the airspace being flown, helicopters shall be equipped with a secondary surveillance radar (SSR) transponder with all the required capabilities.

IR · SPO.IDE.H.225 — Regulation (EU) No 965/2012 · Regulation (EU) No 379/2014 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMC Acceptable means of compliance

## AMC1 SPO.IDE.H.225 Transponder

GENERAL

(a) The SSR transponders of helicopters being operated under European air traffic control should comply with any applicable Single European Sky legislation.

(b) If the Single European Sky legislation is not applicable, the SSR transponders should operate in accordance with the relevant provisions of Volume IV of ICAO Annex 10.

AMC · AMC1 SPO.IDE.H.225 — Regulation (EU) No 965/2012 · ED Decision 2014/018/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART D: INSTRUMENTS, DATA AND EQUIPMENT](https://avioverse.aero/regulations/easa/air-ops/part-spo/subpart-d)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.