Callen-Lenz Koios - program supplier guide | Airframer

Callen-Lenz Koios

In production

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S2 class VTOL UAS with twin-boom design and inverted V-tail, uses 8 brushless electric motors for take off / landing and piston engine for forward flight.

Lift type

Fixed wing

Assembly

Factory-built

Control

Autonomous

Engine type

Piston, Electric, Hybrid

Application

Design & construction

The aircraft as engineered: what it is built from, the systems it flies with, and its configuration — each box a theme.

Airframe & structure

Ice protection

None

Pressurisation

Unpressurised

Systems & avionics

Autopilot

3-axis

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

Variant	Launch / first flight	Production end	Notes
Callen-Lenz Koios	2019 /		ISR UAV with 4 metre wingspan.

Airframer

Callen-Lenz Group

Information on this page is compiled from a variety of published sources; links do not necessarily imply recommendation or confirmation by the airframe manufacturer.