Ariel Aircraft suspended production early 1942, but in February 1942 changed name to Stearman Aviation. Did not succeed in restarting production.
Lloyd Stearman resigned from Lockheed, being replaced by Bob Gross and, after working at Wichita for 2 years developing Hammond Model Y twin-boom pusher, formed Stearman-Hammond Aircraft and built about…
STEEN AERO LAB LLC Steen is a long-established company which provides plans, materials and components to aircraft builders. Its latest product is a new design from the renowned Curtis Pitts.
C.L. Stephens designed Akro, first US aircraft designed around Aresti system (27 July 1967), plans marketed.
Robert D. Stephens, Wichita, built Special 1-A (December 1957), total cost $575, plans marketed at that time.
Flew a C-82 with added turbojet pod above fuselage November 1956, subsequently converted many C-82 and C-119 aircraft.
Donald Stewart marketed large numbers of plans of 2 single-seaters, Headwind (28 March 1962) cabin high-wing, and Foo Fighter (June 1971) resembling scaled 1917 scout.
As teenagers Katherine and Marjorie Stinson both became not merely pilots but exhibition pilots, giving displays through Midwest prior to 1914. Brothers Edward A. (Eddie) and Jack also became pilots…
Ray Stits produced 'world's smallest' aircraft 1948-52: Junior 8 ft 10 in (2.69 m) span monoplane and Sky Baby 7 ft 2 in (2.2 m) span biplane. Subsequently Stits Aircraft…
Stoddard-Hamilton Aircraft Inc., Arlington, WA, produce Glasair fast (cruise up to 284 mph) 2-seaters, over 1,300 plans sold by end 1992, nearly 350 flying. See also New Glasair LLC.
Well over 2,000 sets of plans sold by Stolp Starduster Corp., Riverside, CA, for SA-300 Starduster Too 2-seat sport biplane. Many other designs flying including SA-500 Starlet 1-seat parasol, SA-750…
William B. Stout established Stout Engineering Laboratories at Detroit 1919, producing Batwing 3-seat monoplane with blended wing/fuselage (200-hp Packard) and ST-1 torpedo bomber for Navy (2 x 398-hp Packard). In…
Stout Engineering Laboratories reactivated 1929, in 1931 exhibiting 2-seat Sky Car cabin monoplane, thereafter pursuing other fields. Sky Car prototype was flown by Stout through 1930s, and in 1945 was…
Streak Aero Corp. took over Aero-Flight, briefly producing Streak high-speed 2-seaters, including final model Streak 225 (1954).
Striplin Aircraft Corp., Lancaster, CA, produced FLAC rigid-wing ultralight from 1978, followed by Lone Ranger and Sky Ranger homebuilts.
Michael Stroukoff formed Stroukoff Aircraft Corp., Trenton, NJ, after controlling interest in Chase was bought by Kaiser-Frazer. Stroukoff had been VP and chief engineer, designing C-123. Subsequently his company thought…
Long-established B.F. Sturtevant Co. (hydraulic pumps, etc.) formed Sturtevant Manufacturing Co. 1910 to produce petrol engines, biggest project being V-8 aircraft engine. To find a market for this, Sturtevant Aeroplane…
Sullivan Aircraft Manufacturing Co., Wichita, formed and died in Depression (1930-32) building K-3 low-wing 3-seat cabin monoplane, Kinner K-5 of 100 hp.
Summit Aeronautical Corp., formed NY 1937 with works at Bendix Field, Teterboro, built HM-5 2-seat cabin monoplane (1941) in researching aircraft construction by Vidal thermosetting plastic-bonded veneer. Ceased 1941.
Summit Aviation Inc., Middletown, Delaware, rebuilt Cessna T337 Skymasters (1979-87) into O2-337 Sentry military aircraft.
Sun Aerospace Corp., Nappanee, IND, produced Sun Ray 100 single-seat pusher canard amphibian (4 September 1983).
Sunderland Aircraft, NY, developed Thorp T-18 Tiger into S-18 with larger cabin and folding wings (1984): see Sport.
Sundorph Aeronautical Corp. formed by Eiler C. Sundorph at LA, believed 1934, best known for Model 2 (XA-1) 200-mph (321.8 km/h) high-wing 4-seater (8 October 1937).
Sunrise Aircraft Corp. Of America formed 1964 by former Wagner personnel to produce S-1600 twin-turboprop STOL transport. Venture failed.
Sunrise Ultralight Manufacturing Co., New Caney, TX, produced wide range of ultralights.
Super 580 Aircraft Co., Carlsbad, CA, remanufactures CV-340/440 and earlier turboprop conversions to Super 580 standard (see Hamilton).
Superior Aircraft Co. formed mid-1956 at Culver City, CA, to acquire assets of Culver Aircraft and develop Model V into Superior Satellite (20 December 1957), but no further news.
When E.M. Laird returned to Chicago September 1923, Wichita company was reorganized as Swallow Airplane Manufacturing Co., Lloyd Stearman designer and Walter Beech chief pilot. Redesigned Laird Swallow into more…
Swanson Airplane Co. formed 1930 by S.S. Swanson, who had helped produce Swanson-Freeman biplane and later designed for Lincoln-Standard. Depression killed Swanson Coupe light 2-seat cabin monoplane (1931). In 1934…
Subsidiary of S. Swanson & Co., Vermilion, S. Dakota; produced Model 3 Sport 1922, followed by SS-4 2-seat biplane late 1923 (80-hp Le Rhône).
Ed (Edward J.) Swearingen set up Swearingen Aircraft Co. as fixed-base operator at San Antonio 1953, and among other things built prototypes under contract (e.g. Piper Comanche, 24 May 1956).…
Ed Swearingen started again, forming Swearingen Aircraft Corp. 1982, still San Antonio, building nacelles for Do 128 and marketing Taurus mod. of King Air 90 and kits of Swearingen SX300…
Arpad Szaraz, Bedford, OH, produced Daphne side-by-side high-wing aircraft (4 October 1961), 20 being built by 1969.
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