- Diagram of the Curtiss Flying Boat no. 2
- Douglas A-20B & C
- Douglas A-24
- Douglas B-18
- Douglas B-18A
- Douglas B-23
- Douglas C-39
- Douglas C-47
- Douglas C-54A
- Douglas O-46A
- Douglas XB-19
- Driving seat of Wright Biplane
- Driving-seat of a touring plane
- Dropping off in parachute from flaming balloon
- Dunne inherently stable Biplane
- Dupuy de Lome’s dirigible, 1872
- Early-type Airship
- Fairchild PT-19
- Fast mail-carrying aeroplanes will make postal deliveries everywhere
- Fighting Zeppelin raiders
- First attempts
- First flight engine, 1903
- First flight engine, 1903 rear view
- First flight engine, 1903, assembly
- First flight engine, 1903, cross section
- Forlanini’s helicopter, 1878
- General circulation of the atmosphere
- General Meusnier’s proposed dirigible, 1784
- Giffard’s steam dirigible, 1852
- Glaisher and Coxwell
- Grahame-White Military Biplane
- Grahame-White Military Biplane - front view
- Grahame-White Military Biplane - side view
- Gross III
- Group of French Aviators
- Grumman OA-9
- Hargrave’s kite
- Hargrave’s model screw monoplane, 1891
- Henson and Stringfellow’s Model
- Henson's Proposed machine
- Hull of a Zeppelin during construction
- Jullien’s model dirigible, 1850
- La Flesselle
- La Ville de Paris
- Lana’s proposed vacuum balloon
- Langley’s Steam-driven Model
- Launching a sea-plane from a wire
- Launching sea-planes from a ship’s deck
- Launching the Wright Glider
- Launoy and Bienvenu’s helicopter, 1784
- Le Bris’ aëroplane, 1855
- Le Petit Journal, Zodiac type
- Lenormand’s parachute, 1784
- Leonardo da Vinci's Glider and Parachute Idea
- Lilienthal gliding
- Lilienthal's Experiments
- Lockheed A-29&A
- Lockheed C-40A
- Lockheed C60-A
- Lockheed P-38D&E