Photograph of a LearAvia Bell 47 helicopter (N8406E) parked at an airfield, circa 1974. The inscription on the slide mount points out the installed muffler.Inscription on slide mount: "Muffler in place."Typed on slide mount: "Seal edge with warm…
Photograph of a LearAvia Hughes 500C helicopter (N9127F) in front of a LearAvia hangar, circa 1971-1973. A second helicopter is visible in the background.
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…
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) in flight, circa 1963. The inscription notes that the aircraft is piloted by Jim Kirkpatrick and Hank Beaird, and the photograph was taken by "John" from a Learstar.
Inscription on verso: "Jim…
Photograph of a Learjet 23 aircraft (tail number N802L) taking off for its first flight, Wichita, Kansas, October 7, 1963.Inscription on verso: "Learjet (N802L) / First flight / Oct. 7, 1963 (1750) / Wichita, Kansas / 23-002."Accompanying note with…