Morane-Saulnier MS.300

MS.300/MS.301
Role	Primary trainer
National origin	France
Manufacturer	Morane-Saulnier
Designer	Robert Morane
First flight	1930
Number built	2
Developed into	Morane-Saulnier MS.230

The Morane-Saulnier MS.300 and MS.301 were French parasol wing introductory trainer aircraft, first flown in 1930. They differed only in engine type. Neither reached production but were developed into two similar trainers, the MS.230 and MS.315, which were made in large numbers.

Morane-Saulnier's interest in the parasol wing configuration began with the Morane-Saulnier L of 1913 and its continuous refinement produced a line of fighters, trainers and sports aircraft which continued into the 1930s. The layout offered intrinsic stability and a wide field of view from the cockpit. The MS.300, a basic trainer, had a large gap between wing and fuselage and a wide track undercarriage, easing the progress of its novice pilots. There were two versions, the MS.300 and MS.301, which only differed in their engines.

Most of the two part wing of the MS.300 had constant chord and was swept at 5°. The tips were rounded and there was a deep cut-out in the trailing edge over the fuselage to improve the upward view from the forward cockpit. The wings were built around two pairs of duralumin spars with wooden ribs and were canvas covered. They were braced with pairs of near-parallel struts from the spars at mid-span to the fuselage and the central wing was joined to the upper fuselage with a pair of transverse inverted-V cabane struts, one to each spar and cross-braced. Narrow chord ailerons entirely occupied the trailing edges.

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