11/30/2011. The sole VIP-transport Helldiver A-4 with a 575hp Wright
R-1820-64 Cyclone engine was developed at Curtiss expense, initially registered as NC984V. It was sold to the USN as the XF8C-7 in November 1930, and received the BuNo. A-8845. The then Assistant Secretary of the Navy for Aviation, David S. Ingalls (the Navy's only WW I ace), used it as a personal transport. It was redesignated XO2C-2 and O2C-2 before reverting to XF8C-7. Maximum speed was 178.6 mph (287.42 kmh), climb was 1,840 ft (561 m)/min, and service ceiling was 10,800 ft (3,292 m).