a development of the fba type a, the type h shared the same basic pusher biplane configuration, but was a larger and heavier machine based on a donnet-lévêque design and powered by a water-cooled engine in place of the earlier type's rotary. most french-built type h aircraft had water-cooled v-8 hispano-suiza 8a variants with powers of , though a minority had lorraine 8ns. some italian built type hs also used the higher-power hispano motor but more had isotta fraschini v.4b or engines of the same make, both six-cylinder inlines.