---
title: "NCO.SPEC.172 Performance and operating criteria – gyroplanes — Part-NCO · Avioverse"
description: "When operating a gyroplane at a height of less than 150 m (500 ft) above a non-congested area, for operations of gyroplanes that are not able to sustain…"
url: "https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e/nco-spec-172"
---

# NCO.SPEC.172 Performance and operating criteria – gyroplanes

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

IR Implementing rule

## NCO.SPEC.172 Performance and operating criteria – gyroplanes

When operating a [gyroplane](https://avioverse.aero/glossary/easa/gyroplane) at a height of less than 150 m (500 ft) above a non-[congested area](https://avioverse.aero/glossary/easa/congested-area), for operations of gyroplanes that are not able to sustain level flight in the event of a critical engine failure, the pilot-in-command shall have:

(a) established operational procedures to minimise the consequences of an engine failure; and

(b) briefed all crew members and task specialists on board on the procedures to be carried out in the event of a forced landing.

IR · NCO.SPEC.172 — Regulation (EU) No 965/2012 · Regulation (EU) 2025/133 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART E: SPECIFIC REQUIREMENTS](https://avioverse.aero/regulations/easa/air-ops/part-nco/subpart-e)

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.