---
title: "CAT.OP.MPA.215 Use of headset — aeroplanes — Part-CAT · Avioverse"
description: "Each flight crew member required to be on duty in the flight crew compartment shall wear a headset with boom microphone or equivalent."
url: "https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-b/cat-op-mpa-215"
---

# CAT.OP.MPA.215 Use of headset — aeroplanes

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

IR Implementing rule

## CAT.OP.MPA.215 Use of headset — aeroplanes

(a) Each [flight crew member](https://avioverse.aero/glossary/easa/flight-crew-member) required to be on [duty](https://avioverse.aero/glossary/easa/duty) in the flight crew compartment shall wear a headset with boom microphone or equivalent. The headset shall be used as the primary device for voice communications with ATS:

(1) when on the ground:

(i) when receiving the ATC departure clearance via voice communication; and

(ii) when engines are running;

(2) when in flight:

(i) below transition altitude; or

(ii) 10 000 ft, whichever is higher;

and

(3) whenever deemed necessary by the commander.

(b) In the conditions of (a), the boom microphone or equivalent shall be in a position that permits its use for two-way radio communications.

IR · CAT.OP.MPA.215 — Regulation (EU) No 965/2012 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART B: OPERATING PROCEDURES](https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-b)

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.