Instrument Panel in Flight (1927)

A close-up view of the Spirit of St. Louis instrument panel in mid-flight, showing the altimeter, airspeed indicator, and turn-and-bank indicator. — Instrument Panel in Flight (1927) · Donald A. Hall Estate Collection

Chief Engineer Donald A. Hall Sr. captured this in-flight photograph of the Spirit of St. Louis instrument panel to formally document the aircraft's speed, altitude, and vital metrics during testing. The image serves as a crucial engineering record of the components and suppliers that made the 1927 transatlantic flight possible.