| NB-1 |
|
Boeing |
1 Lawrance J-1/2/4 or 1 Wright J-5 |
2 |
|
| NB-2 |
|
Boeing |
1 Wright-Hispano E-4 |
2 |
|
| NB-3 |
|
Boeing |
1 Wright-Hispano J-4 |
2 |
|
| NB-4 |
|
Boeing |
1 Lawrance |
2 |
|
| XN2B-1 |
|
Boeing |
1 Caminez or 1 Wright R-540 |
2 |
|
| XN2C-1 |
Fledgling |
Curtiss |
1 Wright R-760-8 Whirlwind |
2 |
|
| N2C-1 |
Fledgling |
Curtiss |
1 Wright R-760-8 Whirlwind |
2 |
|
| N2C-2 |
Fledgling |
Curtiss |
1 Wright R-760-94 Whirlwind |
2 |
|
| NE-1 |
Grasshopper |
Piper |
1 Continental O-170-3 |
2 |
|
| NE-2 |
Grasshopper |
Piper |
1 Continental O-170 |
2 |
|
| HN-1 |
|
Huff-Daland |
1 Wright-Hispano E-2 |
2 |
|
| HN-2 |
|
Huff-Daland |
1 Lawrance J-1 |
2 |
|
| NH-1 |
Nightingale |
Howard |
1 Pratt & Whitney R-985 Wasp Junior |
3 |
|
| NJ-1 |
|
North American |
1 Pratt & Whitney R-1340-6 Wasp |
2 |
|
| NJ-2 |
|
North American |
1 Ranger XV-770-4 |
2 |
|
| XNK-1 |
|
Keystone |
1 Wright R-790 Whirlwind |
2 |
|
| NK-1 |
|
Keystone |
1 Wright R-790 Whirlwind |
2 |
|
| XNL-1 |
|
Langley |
2 Franklin 4AC |
2 |
|
| N2M-1 |
|
Martin |
1 Wright-Hispano E-4 |
2 |
|
| N2N-1 |
|
Naval Aircraft Factory |
1 Wright-Lawrance J-1 |
2 |
|
| XN3N-1 |
|
Naval Aircraft Factory |
1 Wright J-5 |
2 |
|
| N3N-1 |
|
Naval Aircraft Factory |
1 Wright J-5 or 1 Wright R-760-2/96 Whirlwind |
2 |
|
| N3N-1S |
|
Naval Aircraft Factory |
1 Wright R-760-2/96 Whirlwind |
2 |
|
| XN3N-2 |
|
Naval Aircraft Factory |
1 Wright R-760-96 Whirlwind |
2 |
|
| XN3N-3 |
|
Naval Aircraft Factory |
1 Wright R-760-96 Whirlwind |
2 |
|
| N3N-3 |
|
Naval Aircraft Factory |
1 Wright R-760-2 Whirlwind |
2 |
|
| XN5N-1 |
|
Naval Aircraft Factory |
1 Wright R-760 Whirlwind |
2 |
|
| NP-1 |
|
Spartan |
1 Lycoming R-680-8 |
2 |
|
| XNQ-1 |
|
Fairchild |
1 Lycoming R-680-10 |
2 |
T-31A |
| NR-1 |
Recruit |
Ryan |
1 Kinner R-440-3 |
2 |
PT-21 |
| XNR-1 |
|
Maxson |
2 |
|
|
| NS-1 |
|
Stearman |
1 Wright R-790-8 Whirlwind |
2 |
PT-13C |
| N2S-1 |
|
Stearman |
1 Continental R-670-14 |
2 |
|
| N2S-2 |
|
Stearman |
1 Lycoming R-680-8 |
2 |
PT-13A |
| N2S-3 |
|
Stearman |
1 Continental R-670-4 |
2 |
|
| N2S-4 |
|
Stearman |
1 Continental R-670 |
2 |
PT-17 |
| N2S-5 |
|
Stearman |
1 Lycoming R-680-17 |
2 |
PT-13D |
| NT-1 |
|
New Standard |
1 Kinner K-5 |
2 |
|
| NT-2 |
|
New Standard |
1 Wright J-6 |
2 |
|
| N2T-1 |
Tutor |
Timm |
1 Continental R-670-4 |
2 |
|
| NY-1 |
|
Consolidated |
1 Wright R-790 Whirlwind |
2 |
PT-1 |
| NY-1A |
|
Consolidated |
1 Wright R-790 Whirlwind |
2 |
|
| NY-1B |
|
Consolidated |
1 Wright R-790 Whirlwind |
2 |
|
| XNY-2 |
|
Consolidated |
1 Wright R-975 Whirlwind |
2 |
|
| NY-2 |
|
Consolidated |
1 Wright R-790 Whirlwind |
2 |
PT-1 |
| NY-2A |
|
Consolidated |
1 Wright R-790 Whirlwind |
2 |
|
| NY-3 |
|
Consolidated |
1 Wright R-760 Whirlwind |
2 |
|
| XN2Y-1 |
|
Fleet |
1 Warner R-420 Scarab |
2 |
|
| N2Y-1 |
|
Fleet |
1 Kinner R-370 |
2 |
|
| XN2Y-2 |
|
Fleet |
1 Kinner R-370 |
2 |
|
| XN3Y-1 |
|
Consolidated |
1 Wright R-790 Whirlwind |
2 |
|
| XN4Y-1 |
|
Consolidated |
1 Lycoming R-680-3 |
2 |
PT-11D |
| N4Y-1 |
|
Consolidated |
1 Lycoming R-680 |
2 |
PT-11B |