Kaman

• HH-43B (Flight manual)
• HOK-1 (Flight manual)
• HTK-1 (Flight manual)
• SH-2G (Flight manual)
• UH-2C (Flight manual)

  Kamov

  

• KA25 (3 views drawing)
• K26 (Photos, 3 views drawing)

  Kawanishi

• H8K2 Emily (Cutaway)
• N1K2 Shiden Kai (George) (Walk around)

  La Cierva

• C30 (Profiles, cutaway, 3 views drawing)

  Latecoere

• Laté 28 (Monograph, 3 views drawings, photos)
• Laté 300 (Monograph, 3 views drawings, photos)

  Lavotchkine

• La-5 (Flight manuals in Russian)

  Learjet

  

• Learjet 25 (Flight manual)
• Learjet 30 (Flight manual)
• Learjet 31 (Flight manual)
• Learjet 45 (Flight manuals)

  Let

• L-13 Blanik (Flight manual in Russian)

  Ling-Temco-Vought (LTV)

• XC-142 (3 views drawing)

  Lioré et Olivier

• 257/258 (Profiles, 3 views drawing)
• LeO 20 (Technical note in French)
• LeO 451 (Profiles, 3 views drawing)

  Lippisch

• Comet (Cutaway view)

  Lockheed

  

• A-12 (Flight manuals)
• C-5 Galaxy (Flight manuals)
• C-60 Lodestar (Maintenance manual)
• C-121 Constellation (Flight manuals, maintenance manuals)
• C-130 Hercules (Flight manuals, maintenance manuals)
• C-141 Starlifter (Flight manuals, maintenance manuals)
• CL-1200 Lancer (Flight manual)
• F-80 Shooting Star (Flight manuals, maintenance manuals)
• F-94 Starfire (Flight manuals)
• F-104 Starfighter (Flight manuals, maintenance manuals)
• F-117 Nighthawk (Flight manuals, maintenance manuals)
• L-188 Electra (Accident reports, cutaway)
• L-1011 Tristar (Flight manuals)
• Lockheed 12 Electra (Parts manual)
• P-2 Neptune (Flight manuals, maintenance manuals)
• P-3 Orion (Flight manuals, maintenance manuals)
• P-38 Lightning (Flight manuals, maintenance manuals)
• P-80 Shooting Star (Flight manuals)
• S-3 Viking (Flight manual)
• SR-71 Blackbird (Flight manuals)
• T-33 T-Bird (Flight manuals, maintenance manuals) Ikarus C42
• U-2 (Flight manuals)
• YF-12 (Flight manual)

  Loire

• Loire 130 (Drawings, pictures)