aéronefs
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Lockheed Xp-58 Chain Lightning | Concept | 13 | 5.2 |
| Lockheed Xv-4 Hummingbird | Concept | 11 | 0.8 |
| Lockheed Yf-12 | Concept | 22 | 43.5 |
| Lockheed Yf-22 | Concept | 16 | 16.7 |
| Lockheed Yo-3a Quiet Star | Concept | 8 | 8.4 |
| Lockheed Yp-24 | Concept | 12 | 2.6 |
| Loening Pw-2 | Concept | 7 | 0.1 |
| Lohner C.i | Concept | 2 | 0.6 |
| Lohner Type Aa | Machine | 4 | 0.0 |
| Loire 102 | Concept | 5 | 0.3 |
| Loire 210 | Concept | 9 | 1.5 |
| Loire 46 | Concept | 13 | 7.4 |
| Loire 70 | Concept | 9 | 2.0 |
| Loire-nieuport Ln 161 | Concept | 5 | 7.2 |
| Loire-nieuport Ln 401 | Concept | 14 | 9.3 |
| Long Range Strike Bomber | Machine | 6 | 12.0 |
| Lorraine Hanriot Lh.130 | Machine | 2 | 0.1 |
| Lorraine Hanriot Lh.41 | Machine | 3 | 0.1 |
| Lorraine-hanriot Lh.70 | Machine | 3 | 0.1 |
| Ltv A-7 Corsair Ii | Concept | 32 | 21.6 |
| Ltv Xc-142 | Machine | 14 | 1.7 |
| Lublin R-xiii | Concept | 12 | 1.2 |
| Luch Korsar | Machine | 7 | 0.4 |
| Lucky Lady Ii | Machine | 8 | 0.1 |
| Lun | Machine | 20 | 8.8 |
| Luna | Concept | 9 | 1.5 |
| Lusac | Concept | 11 | 1.2 |
| Luscombe 8 | Concept | 10 | 1.9 |
| Lvg B.i | Concept | 8 | 0.6 |
| Lvg C.i | Machine | 2 | 0.5 |
| Lvg C.ii | Concept | 10 | 0.5 |
| Lvg C.v | Machine | 9 | 0.6 |
| Lvg C.vi | Machine | 13 | 0.9 |
| Lwf Model V | Machine | 4 | 0.0 |
| Lws-3 Mewa | Concept | 9 | 0.7 |
| Lws-6 Żubr | Concept | 9 | 0.3 |
| Lynx | Concept | 11 | 1.7 |
| Lynx | Concept | 32 | 35.6 |
| Lz 1 | Machine | 18 | 2.4 |
| Lz 127 Graf Zeppelin | Machine | 32 | 18.2 |
| Lz 129 Hindenburg | Machine | 54 | 250.8 |
| M&d Flugzeugbau Samburo | Concept | 7 | 0.0 |
| M-130 | Concept | 17 | 3.1 |
| M-18 Dromader | Concept | 16 | 0.7 |
| M-20 Mewa | Concept | 8 | 0.3 |
| M-345 | Concept | 10 | 12.5 |
| M-4 Molot | Concept | 30 | 14.7 |
| M.38 Messenger | Concept | 10 | 1.1 |
| M.c.100 | Concept | 5 | 0.0 |
| M.s.406 | Concept | 32 | 73.0 |