| Name | Explanation | Examples |
|---|---|---|
| M | Seaplane, Sea based, Morskoj | M-5, M-24 and other M's... , but be ready to surprises ! There are other M's also (see below). |
| M | Initials of Myasichev Design Bureau; | M-50, M-17RM |
| MA | Sea Amphibian, Morskaja Amfibia | - |
| MAI | Moscow Aviation Institute, Moskowsky Aviatsionnyj Institute, Prominent school for specialists in all fields related to aviation. Also base for experimental design teams like OKB-3 | MAI website |
| MAP | Ministry of Aviation Industry, Ministerstvo Aviatsionnoj Promyshlennosti | |
| MAPO | Moscow Aircraft Production Organisation, Moskovskoe Aviatsionno-Proizvodstvennoe Ob'edinenie | MAPO page Military-Industrial Group, Moscow Aircraft Production Organisation (MAPO) |
| MB | Aircraft built by Mosca and Bystritskij | MB, MB-bis |
| MBR | Short-range maritime recce "Morskoj Bliznij Razwedchik" | MBR-2, MBR-4, MBR-7 |
| MDR | Long-range maritime recce, Morskoj Dalnij Razwedchik | MDR-2, MDR-4, MDR-5, MDR-6 |
| MER | M?E?R? , ? | |
| MFI | Multi-task front line fighter, Mnogotselevoj Frontovoj Istrebitel | S-37 "Berkut", MiG 1.42 |
| MGA | Ministerstvo Grazhdanskoj Aviatsii, Ministry of Civil Aviation |
|
| MI | Fighter seaplane, Morskoi Istrebitel | MI by Engels |
| MI | Multi-seat fighter, Mnogomestnij Istrebitel | MI-3, MI-3D, MI-3bis |
| Mi | Initials of Mil Design Bureau; | Mi-1, Mi-12 |
| MiG | Initials of Mikoyan i (and) Gurevich Design Bureau | MiG-3, MiG-29 |
| MK | Maritime Cruiser, Morskoj Kreiser | MK-1 |
| MK | Modified, with Kuznetsov Engine, Modifitsirovannyj, Kuznetsov Engine | Il-96MK |
| MK | Modified Commercial, Modifitsirovannyj, Kommercheskij | Su-30MK |
| MK | Aircraft by Mikhelson and Korvin | MK-1 'Rybka' |
| MP | Transport (Passenger) Seaplane, Morskoj Passagirsky | MP-1, MP-1bis |
| MP | Motorized Glider, Motornij Planer | MP |
| MP | Modified Interceptor, Modifitsirovannyj PPerehvatchik | MiG-25MP, Yak-36MP |
| MP | Aircraft built by M.Popov | MP-6 |
| MPI | Multiseat cannon armed fighter, Mnogomestnij Pushechnij Istrebitel | MPI-1 |
| MR | Recce seaplane, Morskoj Razwedchik | MR-5, MR-1 |
| MRL | Recce seaplane with Liberty engine; , Morskoj Razwedchik s Liverty; | MRL-1 |
| MRT | Morskoj Razvedchik-Torpedonosets , Naval Reconnaissater - Torpedo Bomber | MRT-2 |
| MS | Seaplane, Morskoj Samoliot , Mostly design team 'slang' designation, clipped from TsKBMS , Do not mistake for this MS | MS-8 |
| MT | Torpedo-carrier seaplane, Morskoj Torpedonosets | MT-1 |
| MTB | Maritime torpedo-bomber, Morskoj Torpedonosets-Bombardirovscik | MTB-1, MTB-2 |
| MV | Designs by G.M.Mozharovskij and I.V.Venevidov | MV-3 turret and other gun installations |
| MVO | Moscow Military District, Moscowskoij Voennyj Okrug | |
| MVTU | Moscow Higher Technical (Engineering) School, Moscowskoje Vyshee Technicheskoe Uchilische | A.N.Tupolev - one of the most prominent graduates |
| MVZ | Moscow Helicopter Plant, Moscowskoij Vertoletostroitelnyj Zavod | MVZ M.L.Mil |
| MU | Trainer seaplane, Morskoj Uchebnij | MU-1, MU-4 |
| MUR | Trainer seaplane, Rhône engine; , Morskoj Uchebnij, Rhone | MUR-1 |
| MUR | Also used for Moscow City Criminal Police , Moskovskij Ugolovnyj Rozysk | |
| Muskulolet | Literally, Muscle-powered flying machine | BICh-16 |