Douglas A4D-1 Skyhawk (A-4A)![]() ![]() Nine of the first 19 Skyhawks were designated YA4D-1 for flight testing purposes. As later versions of the Skyhawk were delivered, some A4D-1 (A-4A) airframes were assigned to Naval Reserve squadrons and redesignated TA-4A, but no structural modifications were involved. Production History Page ![]() |