---
title: "AWO.A.HUD.101 CS AWO.A.HUD.101 Applicability and terminology — CS-AWO · Avioverse"
description: "- (a) A headup display (HUD) is a display system that presents flight information into the pilot's forward external field of view."
url: "https://avioverse.aero/regulations/easa/cs-awo/subpart-a/awo-a-hud-101"
---

# AWO.A.HUD.101 CS AWO.A.HUD.101 Applicability and terminology

All Weather Operations (CS-AWO) · CS-AWO · EAR revision 14 Aug 2026

IR Implementing rule

## AWO.A.HUD.101 CS AWO.A.HUD.101 Applicability and terminology

\- (a) A headup display (HUD) is a display system that presents flight information into the pilot's forward external field of view.

\- (b) A head-up display (HUD) guidance landing system (HUDLS) is a total airborne system which generates and shows head-up guidance to the pilot during the approach and landing (and roll-out, if applicable) or a go-around. It includes all the sensors, computers, power supplies, indications and controls.

\- (c) A display will be considered to be equivalent to a HUD provided it can be shown to comply with the following:

\- (1) The display shall be presented head-up and shall not require transition of visual attention to the head-down display (HDD) in order to view the displayed primary flight information.

\- (2) The display shall be conformal with the pilot's external view.

\- (3) The display shall enable simultaneous viewing of aircraft flight symbology, imagery (if applicable) and the external view.

\- (4) The display shall have characteristics and dynamics that are suitable for the manual control of the aircraft.

\- (5) The display of imagery, information and symbology shall be clearly visible to the pilot flying in their normal position with the line of vision looking forward along the flight path.

\[Issue: CS-AWO/2]

IR · AWO.A.HUD.101 — CS-AWO · ED Decision 2022/007/R · CS-AWO Easy Access Rules · EAR revision 14 Aug 2026

AMC Acceptable means of compliance

## AMC AWO.A.HUD.101 Applicability and terminology

A head-up display (HUD), or equivalent display, should comply with the relevant requirements of AMC 25-11.

\[Issue: CS-AWO/2]

AMC — CS-AWO · ED Decision 2022/007/R · CS-AWO Easy Access Rules · EAR revision 14 Aug 2026

[All rules in SUBPART A -ENABLING EQUIPMENT SECTION 1 -AUTOMATIC LANDING SYSTEMS (ALSS)](https://avioverse.aero/regulations/easa/cs-awo/subpart-a)

Consolidated from the EASA Easy Access Rules (revision 14 Aug 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.