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Programs › DLR HAP-alpha

Aircraft program

DLR HAP-alpha

In production
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Unmanned, solar-powered stratospheric aircraft for scientific experiments, such as testing MACS-HAP aerial camera (Modular Aerial Camera System High Altitude Platform) or HAPSAR radar (High Altitude Platform Synthetic Aperture Radar) sensor systems. Formerly DLR HAPS Alpha. In development.

Lift type
Fixed wing
Assembly
Factory-built
Control
Autonomous
Engine type
Electric
Application
Experimental

Design & construction

The aircraft as engineered: what it is built from, the systems it flies with, and its configuration — each box a theme.

Airframe & structure
Primary structure
Composite
Wing
Composite
Ice protection
None
Pressurisation
Unpressurised
Systems & avionics
Flight controls
Full FBW digital
Autopilot
3-axis
Configuration & certification
Wing position
High
Planform
Straight
continued
Tail
Conventional
Certification
Experimental-LSA

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

VariantLaunch / first flightProduction endNotes
DLR HAP-alpha2018 / 2026Lightweight HAP with 27 m wingspan, low altitude flight achieved 2026.

Airframer

DLR - German Aerospace CenterNews

The program’s dated history — milestones, contracts, supplier selections and facilities, each linked to its source. Log in to view.

Information on this page is compiled from a variety of published sources; links do not necessarily imply recommendation or confirmation by the airframe manufacturer.

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