Portfolio Investments

Featured Investment

Cowtown Seed backs bold founders solving critical challenges in defense, deep tech, and enterprise hardware.

Portal Aircraft Inc.

Turbine-Powered VTOL Drone Systems (tVTOL)

Visit Portal Aircraft
$500,000 Current Round Target
Lead Investor Cowtown Seed Syndicate
Fort Worth, TX Headquarters
Defense & Commercial Market Focus

Company Overview

Portal Aircraft is a Fort Worth-based aerospace company developing cutting-edge gas turbine-powered VTOL (tVTOL) drone systems with differentiated lift, speed, and endurance capabilities. Cowtown Seed is proud to serve as the lead investor.

Key Achievements & Defense Validation

xTechSearch 9 Winner & Army SBIR

Selected in both competitive phases from over 840 applicants (only 24 companies nationwide awarded). Actively executing Phase I SBIR with the U.S. Army.

DARPA "Awardable" Status

Achieved official DARPA "Awardable" qualification and encouraged to compete in the prestigious DARPA LIFT Challenge for next-gen aerial logistics.

Army Air Maneuver Summit & SOFWERX

Invited to the exclusive Army Expanded Air Maneuver Summit and briefed SOFWERX, reflecting active engagement with Special Operations unmanned communities.

Texas A&M University R&D Partnership

Formed an active research and development collaboration with Texas A&M University alongside strategic defense industry manufacturing alliances.

Founder Spotlight: James Thurman

Portal Aircraft is led by founder James Thurman, a decorated former U.S. Navy helicopter pilot, Aerospace Engineering Professor at the United States Naval Academy, and former Systems Engineering & Architecture Lead at Lockheed Martin.

Learn More at PortalAircraft.com
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