---
title: "GM1 138. Assemble — ANNEX I — Part-DEFINITIONS, ATM/ANS · Avioverse"
description: "AERONAUTICAL DATA The assemble phase includes checking the data and ensuring that detected errors and omissions are rectified."
url: "https://avioverse.aero/regulations/easa/atm-ans/part-definitions/general/gm1-138-assemble"
---

# GM1 138. Assemble

ANNEX I — Part-DEFINITIONS · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

GM Guidance material

## GM1 138. Assemble

AERONAUTICAL DATA

The assemble phase includes checking the data and ensuring that detected errors and omissions are rectified.

GM — Regulation (EU) 2017/373 · ED Decision 2020/008/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in General provisions](https://avioverse.aero/regulations/easa/atm-ans/part-definitions/general)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, 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.