Aircraft program
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.
Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.
Supplier geography and market analysis for this program — shown free on sponsored programs, or with an Analytics subscription.
See Analytics rates| Variant | Launch / first flight | Production end | Notes |
|---|---|---|---|
| Callen-Lenz Koios | 2019 / | ISR UAV with 4 metre wingspan. |
| Callen-Lenz Group |
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