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The Airframer Bulletin › Archive

News archive: DLR HAP-alpha

Every Bulletin story and press release covering DLR HAP-alpha, newest first.

Whole archive

4 items

8 December 2025

ReleaseDrone testing – from everyday applications to defence

5 December 2025

ReleaseDLR conducts ground roll tests with HAP-alpha – the uncrewed high-altitude solar aircraft

24 July 2025 HAP-alpha will fly at around 20 kilometres in the lower stratosphere.

DLR completes vibration test for solar HAP-alpha aircraft

The stratospheric platform project has passed vibration testing in Cochstedt as DLR now works towards future sensor trials and 2026 flight readiness.

21 April 2021

ReleaseDLR develops an unmanned stratospheric aircraft