Michel Haack

Heinz Koop

Dortmund, Germany

Active 12h ago

Bio: Founder & CEO @ Aviation Hero.

Oliver Matzeit

Active 9d ago

Bio: Oliver Matzeit

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Michel Haack

@michel-haack-1517

Auf dem Weg zur PPL-A Theorie

Active 11d ago

Joined Feb 6, 2026