---
title: "Operation in performance class 2 — EASA Definition · Avioverse"
description: "Annex I — Definitions for terms used in Annexes II to IX, Regulation (EU) No 965/2012: ‘operation in performance class 2’ means an operation that, in the…"
url: "https://avioverse.aero/glossary/easa/operation-in-performance-class-2"
---

# operation in performance class 2

EASA defines “operation in performance class 2” in one regulation. The wording below is reproduced verbatim from the EASA Easy Access Rules, with a link to the paragraph it comes from.

> ‘operation in performance class 2’ means an operation that, in the event of failure of the critical engine, performance is available to enable the helicopter to safely continue the flight, except when the failure occurs early during the take-off manoeuvre or late in the landing manoeuvre, in which cases a forced landing may be required;

Annex I — Definitions for terms used in Annexes II to IX · Air Operations · Regulation (EU) No 965/2012 · Easy Access Rules, 27 Mar 2026 revision · [Read the article](https://avioverse.aero/regulations/easa/air-ops/definitions/powers-and-recitals#annex-i-definitions-for-terms-used-in-annexes-ii-to-ix)

## Defined in the same article

- [accelerate-stop distance available (ASDA)](https://avioverse.aero/glossary/easa/accelerate-stop-distance-available)
- [acceptable means of compliance (AMC)](https://avioverse.aero/glossary/easa/acceptable-means-of-compliance)
- [acceptance checklist](https://avioverse.aero/glossary/easa/acceptance-checklist)
- [adequate aerodrome](https://avioverse.aero/glossary/easa/adequate-aerodrome)
- [adequate vertiport](https://avioverse.aero/glossary/easa/adequate-vertiport)
- [adult](https://avioverse.aero/glossary/easa/adult)
- [aerodrome operating minima](https://avioverse.aero/glossary/easa/aerodrome-operating-minima)
- [aided night vision imaging system (NVIS) flight](https://avioverse.aero/glossary/easa/aided-night-vision-imaging-system-flight)