The 1928 Simmons SP-1 Sport Monoplane built by Herbert H Simmons was registered N7477 c/n 61. A two-place, open cockpit monoplane, the registration was cancelled on 22 July 1930.
Engine: Super LeRhône static
Wingspan: 36’6″
Length: 21’9″
Seats: 2
Aircraft
Simmons, Herbert H
Herbert H Simmons
2111 Franklin St
San Diego CA.
USA
Herbert H Simmons built the Simmons SP-1 Sport Monoplane in 1928.
Simmermon FS Special
In 1930 William Simmermon built the FS Special aircraft, registered N774W c/n S-2 and powered by a LeRhône engine.
Simmermon, William
Williamstown NJ.
USA
Built the Simmermon FS Special in 1930.
Simmonds Spartan Cruiser
Spartan Cruiser was development of Saro-Percival (later Spartan) Mailplane G-ABLI of 1931. After
Percival sold his interest to Saunders-Roe Ltd, which eventuaally tied up with Spartan, the concept under the Spartan name into the Spartan Cruiser I, powered by three 120 hp de Havilland engines and carrying six passengers and two crew in a metal fuselage.
Early production Spartan Cruiser c/n 2 was operated by Airwork (Iraq) Ltd in 1933 on an air route between Baghdad and Mosul as YI-AAA. It returned to the UK in 1934 for British Airways Ltd and reverted to its original registration of G-ACBM. It was scrapped in 1937.
Twelve Spartan Cruiser II were built.
Three Cruiser III were built. The last was G-ADEM in May 1935.
Specifications:
Cruiser I
Engines: 3 x de Havilland, 120 hp
Cruiser II
Cruiser II
Engines: 3 x de Havilland Gipsy Major, 130 hp
Simmonds Spartan Three-Seater
The Spartan Three-Seater was built at East Cowes, Isle of Wight, where the company moved to early 1931.
Simmonds Spartan Arrow
Early in 1930 Spartan Aircraft Ltd. Simmonds altered a version of the Simmonds Spartan into the Spartan Arrow. First flown in May 1930, the prototypes G-AAWY and G-AAWZ were powered by 100 hp Gipsy I engines but the production aircraft that followed had 120 hp Gipsy IIs or 105 hp Hermes II with the exception of Arrow G-ABST which was experimentally fitted with a 160 hp Napier Javelin III.
Simmonds Spartan Arrow Article
Engine: 105 hp Cirrus Hermes II
Wingspan: 30 ft 7 in
Length: 25 ft
AUW: 1850 lb
Max speed: 105 mph
Simmonds Spartan
In 1928 O. E. (later Sir Oliver) Simmonds designed and built the Spartan two-seat biplane. Outwardly conventional, but planned for “Spartan” economy (e.g. interchangeable wings and ailerons, and rudder interchangeable with elevator). At Southampton, Hampshire, produced 49 examples, mostly for export, but some for National Flying Services Ltd. One made many Arctic flights.
The first (of seven) Spartan II was completed in September 1932.
Spartan
Engine: ADC Cirrus III, 95 hp
Seats: 2
Spartan Srs II
Engine: Cirrus Hermes IV
Simmonds Aircraft Ltd / Spartan Aircraft Ltd
Simmonds Aircraft Ltd was formed September 1928, in which year O. E. (later Sir Oliver) Simmonds designed and built the Spartan two-seat biplane. Outwardly conventional, but planned for “Spartan” economy (e.g. interchangeable wings and ailerons, and rudder interchangeable with elevator). At Southampton, Hampshire, produced 49 examples, mostly for export, but some for National Flying Services Ltd. One made many Arctic flights.
Early in 1930 Simmonds Aircraft Ltd., which had made the Spartan biplane, was reconstituted under the name Spartan Aircraft Ltd. Made altered version of Simmonds Spartan called Spartan Arrow. Spartan Three-Seater built at East Cowes, Isle of Wight, where company moved early 1931. Spartan Cruiser was development of Saro-Percival (later Spartan) Mailplane of 1931, and the refined Cruiser III ended production in May 1935.
Simera
South Africa
Previously a separate division of Denel (Pty) Ltd.’s Aerospace Group, undertaking civil activities that included maintenance, refurbishment and upgrade of aircraft, engines and components. Agreement of 1994 with Deutsche Airbus covered conversion of A300s and A310s into freighters. Merged with Atlas Aviation division in April 1996 under new name Denel Aviation
