What Is LTA? Lighter-Than-Air Technology Explained
01.09.2025
Our technology is based on a principle that is over a century old — but has never been more relevant: lighter-than-air flight, or LTA. Rather than overpowering gravity with energy, h-aero® relies on helium for natural lift. The system floats — without constant energy input. The difference from conventional drones is fundamental: while they must fight gravity every second, h-aero® glides through the air using a fraction of the energy.
- Floats instead of buzzing — no permanent energy spent against gravity
- Over 5 hours of flight time, maximum measured (h-aero® zero+ with 1 kg payload) — the payload determines endurance
- Less than 30 dB noise level — barely perceptible to people and wildlife
- Under 5 g CO₂ emissions per flight hour — nearly emission-free
This is precisely what makes LTA technology so valuable for modern applications: in densely populated urban areas, at events, or in sensitive ecosystems, h-aero® can operate where conventional drones hit regulatory and technical limits. Lighter than air — with low risk potential thanks to lightweight design and helium lift, and therefore a fundamentally different approach to sustainable aerial mobility.