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

# NCC.OP.101 Altimeter check and settings

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

IR Implementing rule

## NCC.OP.101 Altimeter check and settings

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

(b) The 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 aerodrome or the State of the airspace, if applicable.

IR · NCC.OP.101 — Regulation (EU) No 965/2012 · Regulation (EU) 2021/2237 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

GM Guidance material

## GM1 NCC.OP.101 Altimeter check and settings

ALTIMETER SETTING PROCEDURES

The following paragraphs of ICAO Doc 8168 (PANS-OPS), Volume III provide recommended guidance on how to develop the altimeter setting procedure:

(a) 3.2 ‘Pre-flight operational test’;

(b) 3.3 ‘Take-off and climb’;

(c) 3.5 ‘Approach and landing’.

GM · GM1 NCC.OP.101 — Regulation (EU) No 965/2012 · ED Decision 2022/014/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART B: OPERATIONAL PROCEDURES](https://avioverse.aero/regulations/easa/air-ops/part-ncc/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.