---
title: "UAM.OP.MVCA.285 Use of supplemental oxygen — Part-IAM · Avioverse"
description: "The PIC shall ensure that all pilots engaged in the performance of duties essential to the safe operation of the VCA during flight use supplemental…"
url: "https://avioverse.aero/regulations/easa/air-ops/part-iam/subpart-b/uam-op-mvca-285"
---

# UAM.OP.MVCA.285 Use of supplemental oxygen

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

IR Implementing rule

## UAM.OP.MVCA.285 Use of supplemental oxygen

The PIC shall ensure that all pilots engaged in the performance of duties essential to the safe operation of the VCA during flight use supplemental oxygen continuously whenever the cabin altitude exceeds 10 000 ft for a period of more than 30 minutes and whenever the cabin altitude exceeds 13 000 ft.

IR · UAM.OP.MVCA.285 — Regulation (EU) No 965/2012 · Regulation (EU) 2024/1111 · 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-iam/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.