Aeronautical engineer Donald A. Hall working at his desk — Flying Over Time Collection Donald A. Hall Estate

The Estate

Donald A. Hall Estate Collection

The Donald A. Hall Estate Collection contains the definitive, original 1927 engineering blueprints, technical notes, and historical photographic negatives documenting the design and construction of the Spirit of St. Louis (Ryan NYP).

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948 images from the family-held record. Search captions and descriptions, and open any image to view it in full.

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948 images

The intricate wooden rib framework of the Spirit of St. Louis wing under construction, resting on sawhorses in the factory. — Wooden Wing Framework (1927)
Documenting the craftsmanship behind the legendary aircraft, this 1927 photograph highlights the intricate, hand-built wooden wing ribs of the Spirit of St. Louis. Donald A. Hall Sr.'s aerodynamic calculations relied entirely on the precision of these delicate wooden structures.
Donald A. Hall Estate Collection

The Spirit of St. Louis wooden wing structure showing the three wing tank bays on the right, with the heeled shoe of a female wing builder visible on the far left. — Wing Construction and Female Builder (1927)
An extraordinarily rare glimpse into the untold workforce behind the Spirit of St. Louis. While Donald A. Hall Sr. documented the three wing fuel tank bays, the far left of the frame captures the heeled shoe of a female worker. This image serves as a vital testament to the women who built the wings and sewed the fabric skin of the historic aircraft.
Donald A. Hall Estate Collection

Detailed view of the curved wingtip framework on the Spirit of St. Louis. — Wingtip Frame, San Diego, CA (1927)
The aerodynamic wingtip design of the Model NYP was calculated by Donald A. Hall Sr. to ensure maximum lift and stability during the 1927 Paris flight.
Donald A. Hall Estate Collection

A close-up view inside the raw tubular steel cockpit of the Spirit of St. Louis, focusing on the mechanical flight controls and fuel routing. — Cockpit Flight Controls and Wobble Pump (1927)
This highly detailed 1927 archival photograph documents the complex mechanical systems inside the Spirit of St. Louis. Engineered by Donald A. Hall Sr., the image clearly displays the rudder pedals, horizontal stabilizer adjustments, and the critical hand-operated wobble pump used to manually transfer fuel between tanks.
Donald A. Hall Estate Collection

A rear-angle view looking past the aerodynamic landing gear fairings and wheels of the Spirit of St. Louis parked at Dutch Flats. — Landing Gear Fairings from Behind (1927)
Taken on the dirt runway at Dutch Flats, this 1927 photograph documents the streamlined aerodynamic fairings covering the heavy-duty shock absorbers on the Spirit of St. Louis. Donald A. Hall Sr. engineered these covers to minimize drag while protecting the vital bungee cord mechanisms.
Donald A. Hall Estate Collection

A front-angle view of the Spirit of St. Louis landing gear resting on the dirt at Dutch Flats, highlighting the aerodynamic shock cover. — Front View of Landing Gear Fairing (1927)
A pristine 1927 record of the Spirit of St. Louis landing gear assembly. The photograph highlights the sleek, aerodynamic metal fairing designed by Donald A. Hall Sr. to shield the custom shock absorbers required to support the aircraft's massive transatlantic fuel load.
Donald A. Hall Estate Collection

The raw, completed tubular steel fuselage framework of the Spirit of St. Louis resting on wooden sawhorses outside the Ryan Airlines factory building. — Raw Fuselage Framework (1927)
A brilliant behind-the-scenes engineering photograph from 1927. Donald A. Hall Sr. captured the completed, bare tubular steel framework of the Spirit of St. Louis resting outside the factory, showcasing the exact layout and fresh welding marks of his rapid 60-day design.
Donald A. Hall Estate Collection

A closer view of the raw tubular steel fuselage framework, focusing on the cockpit area and control stick placement. — Cockpit Framework and Welds (1927)
Documenting the structural integrity of his design, Donald A. Hall Sr. photographed the bare cockpit framework of the Spirit of St. Louis in 1927. The fresh welding marks and precise placement of the control stick highlight the rapid, meticulous construction required for the transatlantic attempt.
Donald A. Hall Estate Collection

A detailed view of the forward section of the raw tubular steel fuselage framework, showing the engine mount ring and cockpit controls. — Forward Fuselage and Engine Mount (1927)
This 1927 structural photograph details the forward fuselage framework of the Spirit of St. Louis. Donald A. Hall Sr. captured the raw tubular steel construction, the intricate cockpit control linkages, and the heavy-duty front ring designed to mount the Wright Whirlwind engine.
Donald A. Hall Estate Collection

A full-length view of the bare tubular steel fuselage framework of the Spirit of St. Louis resting on sawhorses in front of the factory. — Full Length Fuselage Framework (1927)
A spectacular 1927 engineering record. This photograph captures the full, 27-foot length of the Spirit of St. Louis's bare tubular steel fuselage. Donald A. Hall Sr.'s design was completed and welded at breakneck speed, ready to receive its custom fuel tanks and fabric skin.
Donald A. Hall Estate Collection

An unidentified factory worker proudly holding up a completed, heavy-duty bungee cord shock absorber assembly for the landing gear. — Worker with Bungee Shock Assembly (1927)
A remarkable human element from the 1927 factory floor. A Ryan Airlines worker proudly holds up the heavy-duty bungee cord shock assembly engineered by Donald A. Hall Sr., which was critical for safely landing the overloaded Spirit of St. Louis.
Donald A. Hall Estate Collection

A crew of men carefully maneuvering the massive, completed Spirit of St. Louis wing out of a second-story factory window onto an unused train boxcar. — Extracting the Wing onto a Boxcar (1927)
One of the most famous, ingenious moments of the 1927 build, photographed and originally copyrighted by designer Donald A. Hall Sr. Too large for the factory doors, the 46-foot wing was saved from a sledgehammer and instead carefully slid out a second-story window onto an unused Santa Fe train boxcar for extraction.
Donald A. Hall Estate Collection

A large crew using a crane to carefully lower the massive Spirit of St. Louis wing from the train boxcar onto a waiting flatbed truck. — Lowering the Wing to the Flatbed (1927)
Continuing the legendary 1927 extraction sequence, Donald A. Hall Sr. photographed the crew using a crane to lift the delicate, 46-foot Spirit of St. Louis wing off the train boxcar. With 15 men assisting, the massive structure was carefully lowered onto a flatbed truck for final transport to Dutch Flats.
Donald A. Hall Estate Collection

The Spirit of St. Louis being towed backward by a vintage car down a dirt road toward Dutch Flats, with a man looking back at the fuselage. — Towing the Spirit of St. Louis (1927)
A famous 1927 photograph originally taken by Donald A. Hall Sr. Often misidentified by historians, the figure in the car looking back at the fuselage is not Charles Lindbergh. This image documents the careful transport of the completed airframe to Dutch Flats for final assembly and testing.
Donald A. Hall Estate Collection

The cover of a War Department Topography and Surveying training manual, showing Cadet C.A. Lindbergh's name crossed out and D.A. Hall written below it. — Flight Cadet Topography Manual (1927)
An astonishing historical artifact. During his time as an Army Air Corps flight cadet at Brooks Field, Donald A. Hall Sr. was issued this recycled topography manual to master mapping themes. In an incredible twist of fate years before their legendary 1927 partnership, the previous cadet who owned the manual was none other than Charles A. Lindbergh.
Donald A. Hall Estate Collection

A large crew of men physically lifting the massive 46-foot wing of the Spirit of St. Louis to attach it to the fuselage outside the Ryan Flying Co. hangar. — Final Wing Assembly (1927)
A universally recognized 1927 photograph capturing the final assembly of the Spirit of St. Louis. A large crew of men manually lifts the massive 46-foot wing to attach it to the fuselage at the Ryan Airlines hangar, marking the physical culmination of Donald A. Hall Sr.'s rapid 60-day engineering sprint.
Donald A. Hall Estate Collection

Forward Fuel and Oil Tanks (1927)

This highly detailed 1927 archival negative showcases Donald A. Hall Sr.'s brilliant spatial engineering. The image highlights the forward fuel tank and the oil tank positioned directly behind the Wright Whirlwind engine, a configuration that ingeniously doubled as a critical firewall to protect the cockpit.

Donald A. Hall Estate Collection

A detailed view of the Spirit of St. Louis engine mount, showcasing the bare cylinders and the strategically placed oil tank acting as a firewall. — Engine and Firewall Details (1927)
Another pristine 1927 structural view of the Spirit of St. Louis from the Donald A. Hall Estate. This photograph further details the forward fuel and oil tank configurations. The specific placement was mathematically calculated by Hall to manage the aircraft's shifting center of gravity as the massive fuel load was consumed.
Donald A. Hall Estate Collection

A weathered, flat-roofed adobe house with a crooked wooden fence and a child standing in the foreground. — Historic Adobe House (1927)
Exploring the American Southwest, Donald A. Hall Sr. captured this photograph of a historic, flat-roofed adobe house, likely in New Mexico, around 1927. The image reflects his ongoing interest in regional architecture and landscapes outside of his demanding aeronautical work.
Donald A. Hall Estate Collection

An air-to-air or low-angle photograph of the sleek Ryan B-1 Brougham passenger aircraft lifting into the air designed by Donald A Hall which was influenced by the Spirit of St. Louis (model NYP) — Ryan B-1 Brougham Takeoff (1927)
Following the global triumph of the Spirit of St. Louis in 1927, Chief Engineer Donald A. Hall Sr. designed the Ryan B-1 Brougham. This photograph captures the successful takeoff of the Brougham, a commercial passenger aircraft that directly capitalized on the groundbreaking aerodynamic advancements of the NYP.
Donald A. Hall Estate Collection

A wide, atmospheric view of the massive La Monica Ballroom building sitting at the end of the Santa Monica Pier over choppy ocean waves beneath a cloudy sky. — La Monica Ballroom on the Pier (1927)
A striking 1927 historical landscape capturing the massive La Monica Ballroom situated on the Santa Monica Pier. Donald A. Hall Sr. documented this iconic California dance hall in a series of atmospheric photographs, preserving the vibrant cultural architecture of the roaring twenties.
Donald A. Hall Estate Collection

A woman wearing a 1920s dress, cloche hat, and high heels mid-throw with a baseball in a wooded clearing. — Woman Throwing a Baseball (1927)
A fantastic, candid slice of 1920s life captured by Donald A. Hall Sr. The photograph shows a woman fully dressed in period fashion—including a cloche hat and high heels—athletically throwing a baseball in a wooded clearing, perfectly capturing the era's spirited energy.
Donald A. Hall Estate Collection

A wide view of a massive celebration parade, featuring a large crowd, automobiles, and Navy sailors lined along a residential street. — Lindbergh Celebration Parade (1927)
Preserved in the Donald A. Hall Estate Collection, this photograph captures a massive celebration parade, likely honoring Charles Lindbergh in either Brooklyn or San Diego. The dense crowd and presence of Navy sailors highlight the unprecedented global excitement surrounding the transatlantic flight.
Donald A. Hall Estate Collection

A view of wooden military barracks and buildings at Brooks Field, Texas, featuring utility poles and a small airplane model mounted on a high pole. — Brooks Field Barracks (1927)
Before his historic work in San Diego, Donald A. Hall Sr. spent time as a flight cadet at Brooks Field in Texas. This photograph documents the military barracks and training grounds, notably showing an aircraft model mounted on a high pole used for ground instruction.
Donald A. Hall Estate Collection

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