Note from William P. Lear, circa 1960s. Expresses his thanks and appreciation "to each and every one of you" (likely referring to Lear Jet employees) for efforts related to Learjet 23 production. References the aircraft's first flight. One…
Memorandum to Lear Jet employees from Bob Hagan, Manufacturing Superintendent and Chief of Flight Test, October 9, 1963. Sends thanks and congratulations to employees for a job well done and shares highlights from the test flight of the Learjet 23.…
Photograph of a Learjet 23 aircraft (tail number N801L) during a flight test at a Lear facility, January 1964. Details about the aircraft and its flight tests are provided in the caption.Typed caption on verso: "Fifty-Hour Milestone: Latest photo of…
Photograph of a Learjet 23 aircraft (tail number N801L) taking off, possibly during its first flight, circa October 1963.Stamped on verso: "Please return to: Lear Archive, [address and telephone number in Reno, Nevada]."
Photograph of a Learjet 23 aircraft (tail number N801L) by an open hangar, circa October 1963.Typed caption: "First flight of Lear Jet N801L and photograph of the jet as it emerged from the hanger [hangar]."Stamped on verso: "Please return to: Lear…