Ryan NYP Cockpit Instrument Panel During Test Flight (View 1) (May 1927)

In-flight cockpit instrument panel of the Spirit of St. Louis showing airspeed at 98 mph and altimeter at 1,100 feet. — Ryan NYP Cockpit Instrument Panel During Test Flight (View 1) (May 1927) · Donald A. Hall Estate Collection

An archival in-flight photograph taken from inside the Ryan NYP Spirit of St. Louis cockpit during flight testing over San Diego, with Chief Engineer Donald A. Hall Sr. perched beside Charles Lindbergh. The exposure details the instrument board at cruise: the Pioneer airspeed indicator reading approximately 98 mph, altimeter registering 1,100 feet, engine tachometer showing 1,600 RPM on the Wright Whirlwind, turn-and-bank indicator centered, and the vertical liquid column gauge. Lindbergh's left hand in a leather flight glove is visible at the lower frame edge near the control stick and throttle.