Air International 1981-12
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Fighter A to Z
The HD.3 C2 two-seat fighter that was in process of entering service at the time of the 1918 Armistice.
What was probably the sole example of the HD.3bis two-seat night fighter which featured thicker wing sections and enlarged aileron balance areas.
The HD.7 was intended as a potential replacement for the Spad 13 but was bested by the competing Nieuport 29.
A single-seat reconnaissance-fighter derivative of the HD.3. the HD.9 had just entered production at the time of the 1918 Armistice.
The HD.3 C2 two-seat fighter that was in process of entering service at the time of the 1918 Armistice.
The HD.7 was intended as a potential replacement for the Spad 13 but was bested by the competing Nieuport 29.
A single-seat reconnaissance-fighter derivative of the HD.3. the HD.9 had just entered production at the time of the 1918 Armistice.
The HD.6 two-seat fighter failed to display a sufficient improvement over the smaller and simpler HD.3 to warrant production.
The HD.5 experimental two-seat fighter commenced flight testing in the late spring of 1918, but development was not pursued.
The HD.6 two-seat fighter failed to display a sufficient improvement over the smaller and simpler HD.3 to warrant production.