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Flight-test journal
From the hangar
and the runway.
Every milestone, dated, with what it proves and what it does not.
Journal
Logbook.
13 Aug 2026
Back on the apron
The dAS20 at Le Havre airport.
11 Aug 2026
A patch, welded in the hangar
A puncture repaired with the tools that built the wing. Ground repair, not a flight test.
Jul 2026
The film, up close
Inflated envelope and high-frequency welds.
7 May 2026
First takeoff
Le Havre airport. A short flight under our flight-test authorization.
Dec 2025
Inflated in the hangar
The wing, from Reims to Le Havre airport.
In the press
What others wrote.
June 2026 · Event
At VivaTech Paris with the Impact Builders program
26 May 2026 · Defence Blog
“French startup flies cargo drone with an inflatable wing”
18 May 2026 · OpexNews
“Le drone gonflable de Celeste Ecoflyers intrigue la défense”
14 May 2026 · Interesting Engineering
“French firm’s ‘flying marshmallow’ drone to boost aerial logistics safety”
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