---
title: "UAM.OP.VCA.101 Altimeter check and altimeter settings — Part-IAM · Avioverse"
description: "The IAM operator shall establish procedures for altimeter checking before each departure."
url: "https://avioverse.aero/regulations/easa/air-ops/part-iam/subpart-b/uam-op-vca-101"
---

# UAM.OP.VCA.101 Altimeter check and altimeter settings

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.OP.VCA.101 Altimeter check and altimeter settings

(a) The IAM operator shall establish procedures for altimeter checking before each departure.

(b) The IAM operator shall establish procedures for altimeter settings for all phases of flight, which shall take into account the procedures established by the State of the [vertiport](https://avioverse.aero/glossary/easa/vertiport) or, if applicable, by the State of the airspace flown.

IR · UAM.OP.VCA.101 — 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 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.