In 1912 Prinz Sigismund vein Preussen, Berlin, built two monoplanes.
Engine: Argus, 100 hp
Wing span: 13 m
Wing area: 323 sq. ft
Length: 9 m
Weight: 950 lb / 430 kg
Useful load: 395 lb / 180 kg
Max speed: 56 mph / 90 km
Sigismund 1912 monoplane
Era
Siggi’s Aeroplane Works Inc
1997: 372 Briarwood Rd, Venice. FL 34293, USA.
LSA builder
Sievers-Miller Special
(?) Sievers and Phillip Miller built the Sievers-Miller Special circa 1970, registered N1175. It was a single place, open cockpit.
Sievers-Miller
(?) Sievers and Phillip Miller,
Valley City NC.
USA
Built the Sievers-Miller Special circa 1970.
Siersma SRC-1
Designed by Earl Chelsea, Gerard Rogers and Herman Siersma, the 1962 Siersma SRC-1 was a single-place cabin, mid-wing monoplane midget racer,
Eleven years in construction, it was registered N4190C and first flew on 2 February 1962.
Engine: 85hp Continental C-85-12J
Wingspan: 17’0″
Length: 20’0″
Useful load: 330 lb
Max speed: 200 mph
Cruise: 170 mph
Stall: 85 mph
Range: 500 mi
Seats: 1
Siersma, Herman
Detroit MI.
USA
Built the Siersma SRC-1 in 1962.
Sierra / Aircraft Industries BLW-1 / BLW-2
Designed by H Sherman Tharpe, two 1929 Sierra were built with ATC 2-151. Priced at $8,000 and designated BLW-1 and BLW-2 registered NX215H and NX/NR7713, the latter as San Franciscan in unsuccessful endurance record attempts June-Aug 1929 at Mills Field, San Francisco (piloted by Jim Warner). It is said to have been sold after WW2 to someone in South America.
The design reappeared in the Hawke Duster.
Engine: 130hp Comet
Wingspan: 36’0″
Length: 25’8″
Useful load: 909 lb
Max speed: 125 mph
Cruise: 100 mph
Stall: 47 mph
Range: 400 mi
Seats: 3
Sierra / Aircraft Industries Ltd
1928:
Aircraft Industries Ltd
Founders: John L Berney, J F Long, Art Wild)
931 E 14 St
San Leandro CA
USA
1929:
Modesto CA.
USA
The company also rebuilt the Breese Pabco Flyer after its accident at the start of the Dole Race.
1929: Ended operations.
1930: Assets sold to Hawke Dusters, Modesto.
Sierra Standard
In 1919 the Sierra Aircraft Co produced the Sierra Aircraft Co Standard. It was likely a surplus Standard J-1 modified to accommodate the company’s business of aerial surveys. Eliel later went on to become president of Fairchild Aerial Surveys.
Sierra Aircraft Co
1919: Sierra Aircraft Co
Pres: Leon T Eliel
Sierra Airdrome,
Foothill Blvd,
Sierra Madre CA.
USA
Built the Sierra Aircraft Co Standard in 1919.
