PURE
DELIGHT
1:50
glide ratio
PLEASURE, CONCENTRATED.
THE NEW STEMME S12-SW. DISCOVER GLIDING PERFORMANCE IN A RESIZED FORMAT WITH A BETTER HANDLING.

INCREASED FLEXIBILITY.
COMPACT WINGSPAN FOR BETTER HANDLING.
With its compact 21.7-meter wingspan, the S12-SW provides light hearted handiness and comfort. It is easier to handle, featuring a higher roll rate in the air and better maneuverability on the ground. Even where space is limited, the extremely flexible S12-SW opens up new flying horizons.
HORIZONS, ENLARGED.
GET TO WHERE THE LIFT IS.
With a glide ratio of up to 1:50 the S12-SW unites the qualities of easy traveling and gliding – the perfect choice for cruise flights to comfortably reach your desired gliding hotspot and find the lift you need.
AGILE FLIGHT CHARACTERISTICS.
WITH STATE-OF-THE-ART WINGLETS.
The S12-SW features state-of-the-art winglets in a modern design for optimized aerodynamics. Out of the box it comes with AVEO's integrated Starlet Winglet™ solution. The optional collision avoidance LED Strip is integrated into the propeller dome, connected to the FLARM for higher visibility during flight.
EXTREMELY FOCUSED.
MODULAR CONCEPT.
The Stemme S12-SW equipment offers everything at a glance. Multiple configurations are individually customizable upon request.
The panel size is optimized for generous all-round visibility in a comfortable side-by-side cockpit. Nothing distracts from the fascination of flying and the great feeling of mastering natural forces.
STANDARDS,
OUTNUMBERED.STEMME SKY CRUISER S12-SW
TECHNICAL DATA.

- Weights and Dimensions
- Performance Data
- Engine
- Electrics
- Cockpit
- Airframe & Wings
- Avionics
Weights and Dimensions
- MTOM:
900 kg (1,984 lbs) - Wingspan:
21,7 m (71.19 ft) - Wingspan (folded):
11.4 m (37.40 ft) - Wing area:
18.6 m² (200.21 ft²) - Height:
1.75 m (5.74 ft) - Length:
8.42 m (27.6 ft)
Performance Data
- Glide ratio:
1:50* - Cruise speed up to:
259 km/h (140 kt) TAS @ 10,000 ft* - Climb rate:
Better than 3,1 m/s (610 ft/min)* - Range of up to:
1,759 km (950 nm)* - *to be confirmed following flight tests
Engine
- Power plant:
ROTAX 914 F2/S1 Turbo - MTOP:
84,5 kw - MCP:
73,4 kw - Fuel capacity (center wing):
120 l (31.7 US gal) - Fuel consumption at 55% MCP:
13 l/h (3.4 US gal/h)* - *to be confirmed following flight tests
Electrics
- Solar panels
- LED lighting equipment, AVEO Starlet (ACL and position light integrated in winglets)
- USB power outlet
- 2 separated electrical systems for engine and Avionics, each supplied by a dedicated Lithium-Iron-Phosphate Battery
- Gooseneck microphone
- External power supply receptacle for ground engine start (optional)
Cockpit
- Different interior colors and premium material (optional)
- Comfort seats for pilot and co-pilot
- Tinted canopy with UV-protection
- Lockable windows
- Interior in textile (Leather optional)
- Oxygen bottle mounts (optional)
- Document compartments
Airframe & Wings
- Retractable undercarriage
- 2 × 60 l fuel tanks
- Winglets with Starlet LED Lights
- Foldable wings
- Luggage Compartment
- Propeller Dome with integrated Collision Avoidance LED Stripe (optional)
Avionics
- Soaring computer LX8000 with vario V9
- Integrated FLARM
- Altimeter (barometric), Ø 57mm
- VHF-COM Becker 6201 with integrated intercom
- Mode-S Transponder cl. 1 with ADS-B out
- Smaller instrument panel for more legroom

Contact
Do not hesitate to ask for whatever you are interested in. We will be happy to answer all your questions.
STEMME AUSTRALIA – SALES
Point of contact
Address
PO Box 649
Daylesford
3460 Victoria
Australia
Stemme AG
Point of contact
Address
Flugplatzstraße F2, Nr.6-7
15344 Strausberg
Germany
GB AIRCRAFT SP. Z.o.o
Point of contact
Address
Ul. Narbutta 83 C13
02-524 Warszawa
Poland
STEMME USA, INC.
Point of contact
Address
Columbia Metro Airport, 2404 Edmund Hwy.
SC 29170 West Columbia
USA
Gemstone Aviation Ltd
Point of contact
Address
Gamston Airport
DN22 0QL Retford
United Kingdom
Stemme Africa
Point of contact
Address
Berghaan St
9922 Gariepdam
South Africa
Mountain Soaring
Point of contact
Address
Kranebitter Allee 105
6020 Innsbruck
Austria
NOVAERO
Point of contact
Address
Hangar Nova Aero
Aeroporto
13.501-500 Rio Claro, SP
Brazil