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Solutions

SHOL Design

Our skills and technologies are used by:

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68 different types
of helicopters

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46 types of ship class and helicopter helipad models

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More than 8 400
SHOL designed

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We designed solutions for Ship–Helicopter Operating Limits (SHOL) for a wide range of helicopters and helipads :

  • From 1 150 kg to 33 400 kg aircraft.

  • Up to rotors with a diameter of over 24 m.

  • From 6m radius up to 14 m x 14 m pads.

CRAZY Helicopter Landing On Ship In Rough Sea
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Zephyr-HEOL's design ensures a fully integrated process with your organisation's internal network and verifies the integrity of the data.

432 TECHNOLOGIES is the exclusive global dealer of the ZEPHYR-HEOL product range.

Zephyr-HEOL will make it easier for you to create your SHOL charts and use them in your organisation.


End-to-end systems, it includes the creation tools, the validation workflow and the operational interface to deploy SHOLs on your ships and helicopters, with dedicated applications (PC and iOS).

Zephyr-HEOL has been in operational service with the French Armed Forces (French Navy) since July 2024.On board all helideck vessels, from OPVs to aircraft carriers, LHDs and destroyers with all their embarked helicopters, whatever their origin: naval aviation, air and space, army, customs, civil security, allies & partners helicopters.

ZEPHYR-HEOL is the continuation of the ZEPHYR-H project awarded in May 2021 with the AUDACE prize for the French Navy by the Marechal Leclerc de Hauteclocque Foundation and the French Minister of the Armed Forces with the support of its innovation agency (Agence de l'innovation de Défense).

Let's work

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