---
title: "GM1 CS FTL.1.225(b)(2) Standby — Part-ORO · Avioverse"
description: "AWAKE TIME Scientific research shows that continuous awake in excess of 18 hours can reduce the alertness and should be avoided."
url: "https://avioverse.aero/regulations/easa/air-ops/part-oro/subpart-ftl/gm1-cs-ftl-1-225-b-2-standby"
---

# GM1 CS FTL.1.225(b)(2) Standby

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

GM Guidance material

## GM1 CS FTL.1.225(b)(2) Standby

AWAKE TIME

Scientific research shows that continuous awake in excess of 18 hours can reduce the alertness and should be avoided.

GM — Regulation (EU) No 965/2012 · ED Decision 2014/002/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART FTL: FLIGHT AND DUTY TIME LIMITATIONS AND REST REQUIREMENTS](https://avioverse.aero/regulations/easa/air-ops/part-oro/subpart-ftl)

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.