[1] Described as grotesque it had two sets of staggered biplane wings with an unusual X-type bracing and a biplane tail with triple fins and rudders.

[1] Powered by four Salmson 9Z radial engines that were located in tandem pairs in line with the third mainplane.

[2] The H-5 had a conventional fuselage on a three-ply mahogany boat hull, which had 24 watertight compartments.

[2] The H-5 was tested from the St Raphael naval air station in 1922 and proved to be stable with little vibration.

[1] After a few test flights the H-5 was accidentally damaged and development was abandoned.