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).
Explore the Estate Collection
948 images from the family-held record. Search captions and descriptions, and open any image to view it in full.
948 images
An archival engineering photograph focusing on the lower aft fuselage and empennage underside of the Spirit of St. Louis at Dutch Flats. The view details the hardened steel tail skid shoe, shock-absorbing tail strut, horizontal stabilizer bracing struts, and inspection grommets. Functioning like a ground ski, the tail skid provided essential ground braking friction and directional tracking across unpaved turf and dirt runways without independent wheel brakes.
Donald A. Hall Estate Collection
A primary engineering photograph capturing a close head-on perspective of the forward fuselage of the Spirit of St. Louis on Dutch Flats. The image details the concentric engine-turned damascening on the nose cowl and propeller spinner, the 223-hp Wright J-5C Whirlwind radial engine, duralumin propeller blades, and the symmetrical landing gear shock strut boots. This damascened finish was a signature Ryan aesthetic that reduced sun glare and protected aluminum skin from marine atmospheric corrosion.
Donald A. Hall Estate Collection
An archival technical study detailing the starboard landing gear wheel and shock strut fairing of the Ryan NYP. Photographed from ground level on Dutch Flats, the view highlights the perimeter lacing of the fabric-doped wheel disc, the pneumatic Silvertown tire, the lower axle pivot spindle, and the vertical aerodynamic shock boot enclosing the internal rubber bungee cords. The sharp shadow cast on the dirt runway emphasizes the rugged construction required for overload operations.
Donald A. Hall Estate Collection
An archival flightline photograph detailing the empennage of the Spirit of St. Louis parked at Dutch Flats. The composition captures the fabric-covered balanced rudder stenciled with "N-X-211", the winged Ryan logo, "RYAN NYP", and "MFG. BY RYAN AIRLINES SAN DIEGO, CALIF.". Below the fuselage, the streamlined tail skid boot and steel ground shoe are visible against the dirt apron, recording the tail surface geometry engineered by Donald A. Hall Sr.
Donald A. Hall Estate Collection
An archival flightline negative capturing the empennage and aft fuselage of the Ryan NYP Spirit of St. Louis from a low ground perspective. The image documents the elevator trailing edges, control horn cable connections, balanced rudder markings, and the bold black registration letters painted across the upper wing surface in the background. The tail skid rests firmly on the unpaved surface, illustrating the ground attitude of the aircraft prior to flight.
Donald A. Hall Estate Collection
A primary construction negative showing the bare welded chrome-molybdenum steel-tube fuselage truss of the Spirit of St. Louis supported on wooden sawhorses outside the Ryan factory wall. The structure clearly displays the forward engine mounting ring, the massive central bay engineered to house the 425-gallon fuel tank on the center of gravity, and the cockpit enclosure behind it. Positioning the pilot behind the fuel tank was a critical safety measure engineered by Donald A. Hall Sr. to prevent pilot crush fatalities during nose-over crackups.
Donald A. Hall Estate Collection
An archival engineering construction photograph providing an intimate view of the mid-fuselage cabin truss of the Ryan NYP outside the factory building. The exposure details the welded Warren truss longerons, the wooden cockpit floor support structure, the pilot's control stick base, and the throttle quadrant mounting bracket. This frame preserves the lightweight, high-strength tubular structural geometry engineered by Donald A. Hall Sr. prior to fuel tank installation and fabric covering.
Donald A. Hall Estate Collection
An archival engineering photograph detailing the uncovered telescoping landing gear shock strut of the Ryan NYP Spirit of St. Louis held by a Ryan technician. The photograph reveals four heavy-duty clusters of industrial-grade rubber bungee cord stretched across welded tubular cross-members, with cord ends whipped to prevent fraying. Engineered by Donald A. Hall Sr., this progressive elastic suspension system absorbed severe ground impacts under 5,200 pounds of gross overload weight, safely transferring dynamic landing stresses into the reinforced fuselage truss.
Donald A. Hall Estate Collection
A primary historical negative captured by Donald A. Hall Sr. documenting the hoisting of the completed 46-foot Ryan NYP wing outside the Juniper Street factory. Suspended from the boom of an R.E. Hazard Contracting Co. crane truck, the massive one-piece Clark Y wing displays the painted black registration "N-X-211" as crew members use guide ropes to steady the structure above the street. Lowered from the second-story loft of the former cannery building, this operation highlights the logistical feat of moving the oversized airfoil for transit to Dutch Flats.
Donald A. Hall Estate Collection
An archival documentary photograph taken by Donald A. Hall Sr. recording the transfer of the 46-foot Spirit of St. Louis wing onto railroad transport equipment outside the Ryan factory. A team of Ryan mechanics and railway workers stand atop an A.T. & S.F. boxcar (#63365, marked Automobile and Furniture) to receive and guide the swinging airfoil as the R.E. Hazard crane lowers it into position. The bold "N-X-211" registration and Clark Y airfoil profile dominate the upper frame, showcasing the scale of Hall's extended wingspan.
Donald A. Hall Estate Collection
A comprehensive industrial photograph captured through Donald A. Hall Sr.'s camera showing R.E. Hazard Contracting Co. crane truck #625 maneuvering the Spirit of St. Louis wing. The exposure captures the full 46-foot span of the one-piece wooden wing suspended horizontally directly above the Santa Fe boxcar roofline. Mechanics positioned on the boxcar roof align the structure for mounting onto transport carriages, documenting the street-level relocation from the factory loft to Dutch Flats airfield.
Donald A. Hall Estate Collection
An archival technical photograph recording the fully finished 46-foot wing of the Spirit of St. Louis mounted on transport dollies for road transit through San Diego. The bold civil registration "N-X-211" is prominently displayed across the doped fabric surface of the high-lift Clark Y wing. Photographed by Chief Engineer Donald A. Hall Sr., this view documents the wing assembly secured and ready for towing across town to Dutch Flats for final airframe mating and rigging.
Donald A. Hall Estate CollectionResearch, permissions, and image requests
Contact the collection for credits, rights information, and permission to reproduce images.