AB-1/5 Curtiss F boat AB-1 Renumbered from C-1. AB-2 Renumbered from C-2. AB-3 Renumbered from C-3. AB-3 was first US military aircraft to see action ove Vera Cruz, Mexico Apr 25, 1914. later had wings shortened and used as a "penguin" taxiing trainer. AB-4 Renumbered from C-4. AB-5 Renumbered from C-5. AB-6 Burgess K Renumbered from D-1. AB-7 Burgess H Renumbered from D-2. AH-1 Curtiss Model E (Triad) seaplane Renumbered from A-1. Believed struck off charge 16/10/1914. AH-2/3 Curtiss pusher seaplane AH-2 Renumbered from A-4. AH-3 Renumbered from A-3. AH-4/6 Wright Model CH seaplane AH-4 Renumbered from B-1. AH-5 Renumbered from B-2. AH-6 Renumbered from B-3. AH-7 Burgess-Dunne tailless seaplane. AH-8/9 Curtiss pusher seaplanes AH-8 Crashed off Pensacola, FL during attempted duration flight Jun 9, 1916. Pilot Lt JG Richard Saufley was killed. Saufley Field was subsequently named for him. Plane must have been rebuilt since reported transferred to Army, and still in Army hands in 1919. AH-9 Crashed at Pensacola, FL May 8, 1915, Student aviator Lt. j.g. Melvin L. Stolz died when his Curtiss hydroaeroplane crashed at Pensacola, FL. Although Stolz had not been designated a naval aviator, he had qualified for Aero Club Hydroaeroplane Certification No.19. Plane was rebuilt and renumbered A83 in the first numerical series. AH-10 Burgess-Dunne tailless seaplane. AH-11/18 Curtiss pusher seaplanes. AH-11 AH-12 AH-13 AH-14 AH-15 AH-16 AH-17 AH-18 AH-19 (#1) Wright Model G Aeroboat Not accepted, number reallocated. AH-19 (#2) Martin Model S seaplane Renumbered to A68 in the first numerical series. AH-20/21 Thomas seaplane AH-20 Renumbered to A57 in the first numerical series. AH-21 Renumbered to A58 in the first numerical series. AH-22 Martin Model S seaplane Renumbered to A69 in first numerical series. AH-23 Wright Model K seaplane Renumbered to A51 in first numerical series. AH-24 Sturtevant S Renumbered to A76 in first numerical series. AH-25/31 Burgess S AH-25 Renumbered to A70 in first numerical series. AH-26 AH-27 AH-28 AH-29 AH-30 AH-31 AH-61 Gallaudet D-1 Renumbered to A59 in first numerical series. AH-62 Curtiss R-3 Renumbered to A67 in first numerical series. AH-65 Curtiss R-3 Renumbered to A66 in first numerical series. AX-1 Curtiss Model E Renumbered from E-1, renumbered to AX-1 Mar 1914. Wrecked Nov 27, 1915. BC-2/4 Goodyear kite balloons BC-2 Renumbered to A94 in first numerical series. BC-3 Renumbered to A95 in first numerical series. BC-4 Renumbered to A151 in first numerical series.