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[William P. and Moya Olsen Lear Papers, Box 76, Folder 1 - "Military Learjet Model 23 - design specifications," 1960, 1963-1965, undated] (Item)

Items from Box 76, Folder 1 of the William P. and Moya Olsen Lear Papers, circa 1960s. Contains memorandums, reports, correspondence, and pricing information related to military evaluations of the Learjet 23. 37 total documents.

[William P. and Moya Olsen Lear Papers, Box 78, Folder 23 - "Lear Sing-A-Long," June 1962] (Item)

Items from Box 78, Folder 23 of the William P. and Moya Olsen Lear Papers, June 1962. Contains one booklet and three loose pages of song lyrics, some of which are parodies related to the Lear Jet. The booklet's cover includes a calendar with June 26, 1962 highlighted and a birthday cake, indicating that the sing-a-long event was held in honor of William P. Lear's 60th birthday. Four total items.

[William P. and Moya Olsen Lear Papers, Box 73, Folder 4 - Model 23 (N801L) "mock-ups," undated] (Item)

Items from Box 73, Folder 4 of the William P. and Moya Olsen Lear Papers, circa 1960s. Contains eight color slides reproducing concept art and pantings for the Learjet 23 aircraft.

[William P. and Moya Olsen Lear Papers, Box 82, Folder 11 - Model 23 FAA certification, 1964 June-August] (Item)

Items from Box 82, Folder 11 of the William P. and Moya Olsen Lear Papers, June to August 1964. Contains congratulatory correspondence, clippings, and photographs related to the FAA certification of the Learjet 23 aircraft. 35 total items.

[William P. and Moya Olsen Lear Papers, Box 82, Folder 10 - FAA -- draft certification proposal and correspondence, 1964 June - July] (Item)

Items from Box 82, Folder 10 of the William P. and Moya Olsen Lear Papers, 1964. Contains a draft certification proposal and correspondence related to FAA certification of the Learjet 23 aircraft. Two total items.

[William P. and Moya Olsen Lear Papers, Box 82, Folder 9 - Model 23 (N801L) crash, 1964 June] (Item)

Items from Box 82, Folder 9 of the William P. and Moya Olsen Lear Papers, June 1964. Contains correspondence, an incident report, and fifteen photographs related to the crash of a Learjet 23 aircraft (N801L) during certification testing.

[William P. and Moya Olsen Lear Papers, Box 81, Folder 10 - Model 23 (N801L) -- preliminary specifications, undated (circa 1962-1964)] (Item)

Items from Box 81, Folder 10 of the William P. and Moya Olsen Lear Papers, circa 1962-1964. Contains two data sheets and one technical drawing for the Learjet 23. Three total items.

Lear Jet Noise Suppressor (Item)

Photographic slide of a Lear Jet Noise Suppressor installed on the engine of a Learjet 23 aircraft, circa 1960s-1970s.Inscription on slide mount: "Lear Jet Noise Suppressor / P-55."

[Note from William P. Lear, circa 1960s] (Item)

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 handwritten page on Lear's personal stationery.

[Memorandum to Lear Jet employees from Bob Hagan, October 9, 1963] (Item)

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. Two typed pages on Lear Jet stationery.

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