| A/C | Name | Year | Num | Comments | Pic | Model |
| Curtiss F C-2, AB-2 |
Flying Boat | 1915 | 1 | Owned by Curtiss Flying School Used to demo the usefulness of aircraft |
CGH | Yes |
| Curtiss BT |
Flying Boat | 1916 | 1 | |||
| Curtiss H-10 |
1916 | 1 | Navy aircraft Flown by CG aviators in WWI |
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| Curtiss R-6 |
1917 | 7 | Navy aircraft Flown by CG aviators in WWI |
CGAA | Yes | |
| Curtiss HS-2L |
Flying Boat | 1920 – 1926 | 6 | Borrowed from Navy Evaluation CG aviation Congress denied funding |
CGH | Yes |
| Curtiss MF |
Flying Boat | 1920 – 1926 | 7 | Modernized F | CGAA | Yes |
| Aeromarine Model 40F |
1920 – ???? | 1 | CGH | |||
| Loening OL-5 OA-5 |
1926 – 1935 | 3 | First CG Aircraft (CG-1-3) Designed for USCG Prohibition was driver |
CGH | Yes | |
| Vought UO-1/4 |
1926 – 1935 | 2 | Bought at the same time as the OL-5s (CG-4 and 5) | CGH | ||
| Sikorsky S-39 |
1930 – 1935 | 2 | Borrowed from Sikorsky for evaluation | CGH | Yes | |
| Douglas O-38C |
1931 – 1934 | 1 | First land-based aircraft CG-9 (V-108) lost in a crash |
CGAA | Yes | |
| Schreck FBA 17HT-4 |
1931 – 1939 | 1 | French aircraft evaluated by USCG – CG-8 | Yes | ||
| Douglas RD-1/4 |
Dolphin | 1932 – 1943 | 1/1/1/10 | Backbone of SAR aviation with the Hall PH-2/3s Could carry 6 passengers/survivors 3 aircraft were named: Procyon, Adhara, Sirius |
CGH | Yes |
| Consolidated N4Y-1 Model 21A PT-11 |
1932 – 1941 | 1 | CGH | |||
| General Aviation PJ-1/2 |
1932 – 1941 | 5/1 | Fokker – General Aviation – North American Flying Life Boat (FLB) |
CGAA Wiki |
Yes | |
| Grumman JF-2/J2F-5/6 |
Duck | 1934 – 1947 | 14 | True aviation classic The Jeep of the air It did everything and did it well CG used them aboard cutters |
CGH | Yes |
| Hall PH-2/3 |
1934 – 1944 | 7/7 | Backbone of SAR aviation with the Douglas RDs | CGH | ||
| New Standard NT-2 |
1934 – 1939 | 2 | Acquired from Customs Both crashed |
CGH | ||
| Stinson R3Q Stinson SR 1 SR 10 |
Reliant | 1934 – 1939 | 1 | Purchased to conduct R&D into radio communications | CGH | Yes |
| Vought O2U-2 |
Corsair | 1934 – 1940 | 6 | CGH | Yes | |
| Northrop RT-1 |
Delta Golden Goose |
1935 – 1940 | 1 | Executive transport | CGH | Yes |
| Lockheed R30-1 Lockheed 10 |
Electra | 1936 – 1945 | 1 | CGH | Yes | |
| Viking Boat OO-1 |
1936 – 1939 | 5 | Variants of French Schreck Flying Boats Built by US company Viking |
CGH | ||
| Fairchild J2K-1/2 Fairchild 24 C-61 |
1937 – ???? | 2/2 | 3 of the 4 were lost in crashes | CGH | Yes | |
| Waco J2W-1 Waco EQC-6 |
1937 – 1939 | 3 | Versatile aircraft that flew with floats, wheels, and skis All 3 lost in crashes |
CGH | Yes | |
| Curtiss SOC-4 |
Seagull | 1938 – 1942 | 3 | Used with floats on 327s Removed from 327s in 1940 Shore based |
CGH | Yes |
| Grumman JRF-2/3/5 Grumman G-21 |
Goose | 1939 – 1954 | 24 | CGH | Yes | |
| Lockheed R50/-4/5 Lockheed 18 |
Lodestar | 1940 – 1953 | 1/4 | Official transport for Secretary of Treasury | CGH | Yes |
