Stemme S12 Twin Voyager - program supplier guide | Airframer

Stemme S12 Twin Voyager

In production

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Single piston motor glider with foldable, retractable pitch propeller. Including variants S12-SW Sky Cruiser (with shorter wingspan) and S12-G Grand Tourer.

Lift type

Fixed wing

Assembly

Factory-built

Control

Piloted

Engine type

Piston

Application

Surveillance, Utility

Final assembly

Strausberg ·

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

Primary structure

Composite

Wing

Composite

Landing gear

Retractable tricycle

Ice protection

None

Pressurisation

Unpressurised

Systems & avionics

Flight controls

Mechanical

Autopilot

3-axis

Avionics architecture

Integrated glass suite

Configuration & certification

Wing position

High

Planform

Straight

continued

Certification

Part 23

Minimum crew

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
Stemme S12 Twin Voyager	2015 / 2015		Two-seater motor glider, includes S12G and S12SW variants.

Airframer

Stemme GmbH

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