Name Explanation Examples
L Initial of N.R.Lobanov L-1
La Initials of Lavochkin Design Bureau; La-5, La-15
LB, LB-2LD Light Bomber, Legkij Bombardirovschik, Light Bomber with 2 Lorraine-Dietrich engines) LB-2LD
LEM Initials of Lev Malinovskij LEM-2, LEM-3
LFI Light front line fighter, Legkij Frontovoj Istrebitel
LIG Leningrad Institute for Civil Airfleet, Leningradskij Institute GVF LIG-6
LII Flight Research Institute, Letno-Issledovatelskij Institute See LII WEB Site, Zhukovsky and Gromov, Flight Research Institute named for M M Gromov, State Research Centre
LK Leningrad Factory, Leningradskij Kombinat LK-1
LL Flying Boat, Letauschaja Lodka LL-143
LL Aircraft by Lushin and Lavochkin, Lushin-Lavochkin LL Lushin-Lavochkin
LL Flying Laboratory, Letauschaja Laboratorija LL-1,-2,-3
LM Seaplane by V.A.Lebedev, Lebed Morskoj LM-1
LM Aircraft by V.A.Lykoshkin and N.G.Mikhelson, Lykoshkin-Mikhelson LM
LR Light Recco, Legkij Razvedchik LR
LSh Light attack fighter, Legkij Shturmovik LSh
LSh Light Headquarter Liaison, Legkij Shtabnoj U-5 LSh
LYaM Aircraft built by M.G.Lerke, G.V.Yankovsky and F.E.Mosca. Designation built of the last names initials. LYaM