Loire 11

[2] Extensive use of duralumin was made throughout its construction in various forms, including sheets, strips, open channels, as well as limited used for special shaped components such as flanges, tubing.

[4] Principal advantages of this structure included the compression members (which ran along the entire height of the profile and were connected to the strips) functioned to brace the wing without the possibility of buckling or deforming, relatively light-weight cross bracing while achieving a high level of torsional rigidity, and the covering being attachable to the wing after the mounting of the latter without concern for deformation during the riveting process.

The use of plate-style girders were intentionally avoided in favour of plain sheet metal that was lightened by round triangular holes with crimped edges wherever practical to do so, such as the spar webs and ribs, while minimising the amount of riveting.

[3] The external covering, which was composed of sheet duralumin, played a key role in transferring and managing stresses across the airframe; it was attached to the girders via several longitudinal longerons.

[3] The divided-axle landing gear was outfitted with Messier-supplied shock absorbers; each axle was carried by a pair of lower struts that formed a sturdy box at their junction.

Roles intended for the type, according to the manufacturer, included liaison, aerial observation, light ground attack, and air ambulance duties.

[3] The cockpit was furnished with disconnectable dual flight controls; a glass roof which can be opened mid-flight (permitting emergency egress via parachute.

In terms of armament, it had a pair of machine guns mounted on Scarff rings directly above the cabin as well as a box of 30 hand grenades, it also had up to 12 signalling rockets onboard.

Loire 11 3-view drawing from NACA aircraft Circular No.157