Stelux Aircraft Corp designed the Trenzo two-seat lightplane with rear-mounted wings and pusher propeller from 1984. Not known to have flown.
Era
Stelux Aircraft Corp
USA
Designed the Trenzo two-seat lightplane with rear-mounted wings and pusher propeller from 1984. Not known to have flown.
Steinbach Sp-Spezial / Sp-Vario

The Steinbach Sp-Spezial is a 1986 hang glider.
The Steinbach Sp-Vario is a 1987 hang glider.
Steinbach Hai
The Steinbach Hai was a 1977 hang glider.
Steinbach Euro

The Steinbach Euro was a 1981 glider.
The Euro 1 Brasil was a 1978 hang glider.

The Euro 2 was a 1989 hang glider.

The Euro 3 was a 1986 hang glider.
Euro 1 Brasil
Wing area: 18.46 m²
Hang glider weight: 25 kg
Packed length: 4.50 m
Steinbach Brasil

The Steinbach Brasil 1 appeared in 1975.
The Brasil 2 for advanced pilots appeared in 1976.

Brasil 1
Wing area: 18 m²
Hang glider weight: 12 kg
Minimum speed: 70 km/h
Brasil 2
Wing area: 21 m²
Hang glider weight: 14 kg
Steinbach
An Austrian hang glider manufacturer during 1975-87.
Steffan 1910 Re-inforced Biplane
In 1910 Frank Steffan of Los Angeles CA., USA, built the single-place, open cockpit, Re-inforced Biplane. The frame with a large, forward-pointing, triangular plane on the top frame and two aft-pointing triangular, kitelike planes set above it; Curtiss motor chain-driving two pusher props.
Steffen Monoplane

The exact identification is disputed, but in the source of the photo it is identified as the “Steffen-Falke 1911”, powered by a 50 hp Argus engine, built for Heine, which crashed on its first flight. The builders of the Zanonia-winged monoplane were the Steffen brothers of Kiel.
Stefanutti Tourer
Ing. Sergio Stefanutti had gained some experience in the mid 1930s with a little two seat tail first tourer.