Guardian VT-LR 2
A vertical takeoff and landing aircraft concept for attack, escort, and force protection missions.
Concept in development
Veteran-owned American R&D
Engineering for difficult missions.
Letner Innovations LLC develops aerospace and life-safety concepts for the people who respond when lives are at risk.
Explore our projectsFeatured project
Pathfinder
Pathfinder is a vertical takeoff and landing aircraft concept for search and rescue, disaster response, and humanitarian missions, with a focus on patient recovery and onboard care.
Concept in development
We’re seeking aerospace engineering partners to assess feasibility, identify the biggest technical risks, and define what to test in a first demonstrator.
Archangel VT-LR 1A
A modular heavy-lift aircraft concept for disaster response, humanitarian aid, and search and rescue in areas with limited runway access.
Concept in development
Life-Saving Systems
Titan and Med Tank
Concepts in development
Partnership inquiries
Work with us
If your team works in aircraft engineering, testing, or prototype fabrication, get in touch to discuss Pathfinder’s next phase.
Email Jeremy Letner