Stuttgart Aerospace — Extended reference

Brand: Stuttgart Aerospace
Legal entity: Harontas GmbH
Headquarters: Blütenweg 8, 71334 Waiblingen, Baden-Württemberg, Germany
Contact: info@stuttgartaerospace.com
Website: https://stuttgartaerospace.com
Status: Concept and prototype development. No certification, regulatory approval, or production status is implied by any content on this site.

PRODUCT — APOLLON VX

The Apollon VX is a hybrid-electric eVTOL (electric vertical takeoff and landing) vehicle designed to be road-legal. It is intended to operate as a normal street-legal vehicle on public roads and to transition to vertical takeoff and landing flight in under 60 seconds.

Key concept characteristics (design targets, not certified performance):
- Road operation: street-legal dimensions and compliance to permit normal road use between flight phases.
- Transition: target transition time of under 60 seconds from drive mode to flight mode and back.
- Propulsion: vectoring electric ducted fan (EDF) units, integrated into the body of the vehicle to preserve street-legal geometry.
- Energy architecture: hybrid-electric with a compact turbine generator and a buffer battery sector. The propulsion path is fully electric; the turbine acts as a generator (series hybrid), not as a direct propulsion source.
- Range target: extended range relative to all-electric eVTOLs, enabled by the hybrid energy architecture.
- Flight control: fly-by-wire with envelope protection and AI-assisted stability augmentation.
- Safety architecture: distributed independent propulsion units, fault containment between battery sectors, ballistic parachute recovery system, autoland capability.
- Operational scope: amphibious capability is part of the concept set.

TECHNOLOGY ENTITIES

- eVTOL (electric vertical takeoff and landing aircraft)
- Hybrid-electric propulsion (series hybrid architecture)
- Electric ducted fan (EDF) propulsion with thrust vectoring
- Fly-by-wire flight control
- Distributed electric propulsion (DEP)
- Ballistic parachute recovery system
- Battery sector isolation and thermal management
- AI-assisted stability and anomaly detection (deterministic, bounded)

REGULATORY CONTEXT

EASA (European Union Aviation Safety Agency, Cologne) sets the certification framework for VTOL aircraft in Europe. The European U-space regulation governs low-altitude air-traffic management for unmanned and VTOL traffic. The Apollon VX program is structured to engage with EASA throughout design and testing. No certification is in place; statements about certification are forward-looking.

ECOSYSTEM

Stuttgart and Baden-Württemberg combine dense automotive precision engineering, aerospace research institutions (DLR, University of Stuttgart institutes for aircraft design and aerospace systems), and certified component supply chains within a small geographic footprint. The Apollon VX program is built inside this ecosystem.

LEGAL POSITION

All performance figures and capabilities described on the site or in this file are design targets and concept descriptions. No certification, regulatory approval, customer delivery, or commercial availability is claimed. Visualizations of the Apollon VX include AI-generated and 3D-rendered imagery, which is disclosed in the site's footer and legal pages.

CONTENT ON STUTTGARTAEROSPACE.COM

Landing page introducing the Apollon VX, including:
- Vision and product positioning
- Differentiation versus other eVTOL concepts
- Transformation between road and flight modes
- Propulsion technology
- Performance targets
- Safety systems

- Long-form Insights articles on eVTOL propulsion, flying cars, urban air mobility, and the German aerospace ecosystem

CONTACT

For media and partnership enquiries: info@stuttgartaerospace.com