page_title: Packard-Le Père LUSAC-11
section_title: Operational history
hierarchical_section_title: Packard-Le Père LUSAC-11 / Operational history
caption_attribution_description: MAJOR.W. SCHROEDER SET 30,900-FOOT TWO-MAN ALTITUDE RECORD IN PACKARD-LePERE LUSAC 11 BIPLANE AT McCOOK FIELD, SEPTEMBER 24, 1919.
context_page_description: The LUSAC-11 was an early American two-seat fighter aircraft. It was a French design, commissioned and built in the United States during World War I and ordered in large numbers by the United States Army Air Corps, but these were cancelled at the end of the war, and only 30 were built. The type was used for experimental purposes, setting several altitude records during the 1920s.
context_section_description: Two LUSAC-11s were sent to France for evaluation by the Army Air Service just before the end of the War, which resulted in the type being considered unsuitable for combat. A further aircraft was sent for evaluation by the French Aéronautique Militaire.
  The LUSACs saw no squadron service, being used as liaison aircraft by US Military attaches in Europe, and for trials work in the United States. One LUSAC-11, fitted with one of the first turbochargers,  flown by Major Rudolf Schroeder (de) made an attempt for the world altitude record on 27 February 1920. Schroeder's oxygen supply failed during the attempt, causing the pilot to pass out, only regaining consciousness close to the ground. He was hospitalized after the near-disaster. Nevertheless, the aircraft had reached a height of 33,113 feet (10,099 m), a new world record. The same aircraft was flown to a height of 34,508 ft (10,518 m) on 28 September 1921 by Lieutenant John A. Macready, for which he won the Mackay Trophy. The record held for almost two years.
caption: LUSAC-11 record-setter over McCook Field.
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