

ProSling Technology
French developer of VR helicopter sling load training software for X-Plane, with motion platform and headset integration, based in Saint-Raphael.

About ProSling Technology
ProSling Technology is a company in Saint-Raphael, France that builds virtual reality training systems for helicopter external sling load operations, known as HESLO. Its core product is a plugin for the X-Plane 11 and 12 flight simulator that models longline work, vertical reference flying and load management.
Products and services
- HESLO plugin for X-Plane 11 and 12
- Personal licence: one year, for personal use only
- Professional Training Center licence: tailored for commercial use
- Custom X-Plane development
- Integration with VR and motion platforms, from home setups to professional training devices
What the simulation covers
The plugin models the physics of the load, rope and hook, covering flexible rope and rigid pipe loads as well as release and attach mechanisms. It supports several helicopter types and includes multi crew scenarios. An instructor station lets trainers set failures, weather and positioning, and the site lists emergency and failure scenarios. ProSling says the aim is to reduce the number of real flight hours needed.
Hardware
The system can be paired with Varjo XR-4 headsets and Ryan Aerospace motion platforms. A proof of concept with four axis motion has been built in France. A testimonial on the site from a Ryan Aerospace founder refers to a partnership on the HELIMOD Mark III.
Company facts
- Based in Saint-Raphael, France
- Development is aligned with the EASA CS-FSTD(H) framework; qualification work with national authorities is stated to be ongoing and no qualification is claimed
- Partners and clients shown on the site: AFormX, CycloTech and Sogitec
Contact
Email: contact@prosling.tech
Location
Saint-Raphaël, France
Open in maps ↗Events where ProSling Technology exhibits
All aviation events- 1
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- as sponsor
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European Rotors
30 November to 3 December 2026 · Lyon, France
Stand 656
From the organisers’ published exhibitor and sponsor lists.
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