---
title: "UAM.IDE.MVCA.240 Supplemental oxygen – non-pressurised aircraft — Part-IAM · Avioverse"
description: "Non-pressurised VCA operated at pressure altitudes above 10 000 ft shall be equipped with supplemental oxygen equipment capable of storing and dispensing…"
url: "https://avioverse.aero/regulations/easa/air-ops/part-iam/subpart-d/uam-ide-mvca-240"
---

# UAM.IDE.MVCA.240 Supplemental oxygen – non-pressurised aircraft

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

Official sources: [EASA Easy Access Rules (opens in a new tab)](https://www.easa.europa.eu/en/document-library/easy-access-rules/easy-access-rules-air-operations) · [EUR-Lex 2012/965 (opens in a new tab)](https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32012R0965)

IR Implementing rule

## UAM.IDE.MVCA.240 Supplemental oxygen – non-pressurised aircraft

Non-pressurised VCA operated at pressure altitudes above 10 000 ft shall be equipped with supplemental oxygen equipment capable of storing and dispensing oxygen in accordance with the following table:

Table: Minimum requirements regarding supplemental oxygen in non-pressurised [aircraft](https://avioverse.aero/glossary/easa/aircraft)

| Supply for:                     | Flight duration and cabin pressure altitude                                                                                                                                    |
| ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| person(s) piloting the aircraft | For the entire flying time at pressure altitudes above 13 000 ft and for any period that exceeds 30 minutes at pressure altitudes above 10 000 ft but not exceeding 13 000 ft. |
| 100 % of passengers (¹)         | For the entire flying time at pressure altitudes above 13 000 ft.                                                                                                              |
| 10 % of passengers (¹)          | For the entire flying time beyond 30 minutes at pressure altitudes above 10 000 ft but not exceeding 13 000 ft.                                                                |

(¹) Passenger percentages in this table refer to passengers carried on board, including persons younger than 24 months of age.

IR · UAM.IDE.MVCA.240 — Regulation (EU) No 965/2012 · Regulation (EU) 2024/1111 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMC Acceptable means of compliance

## AMC1 UAM.IDE.MVCA.240 Supplemental oxygen — non-pressurised VCA

DETERMINATION OF AMOUNT OF OXYGEN

The amount of supplemental oxygen for sustenance for a particular operation should be determined on the basis of flight altitudes and flight duration, consistent with the operating procedures, including emergency procedures, established for each operation and the routes to be flown as specified in the operations manual.

AMC · AMC1 UAM.IDE.MVCA.240 — Regulation (EU) No 965/2012 · ED Decision 2025/010/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-iam/subpart-d)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 2 Nov 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.