United States Patent (19) 11 Patent Number: 5,865,399 Carter, Jr
USOO5865399A United States Patent (19) 11 Patent Number: 5,865,399 Carter, Jr. (45) Date of Patent: Feb. 2, 1999 54). TAIL BOOM FOR AIRCRAFT 2,879,013 3/1959 Herrick ................................... 244f7 A 3,002,569 10/1961 Doblhoff. 75 Inventor: Jay W. Carter, Jr., Burkburnett, Tex. 3,558,082 1/1971 Bennie ................................. 244/17.21 3,563,493 2/1971 Zuck ....................................... 244f7 A 73 Assignee: Cartercopters, L.L.C., Wichita Falls, 4,611,774 9/1986 Brand ...... ... 244/54 TeX. 4,624,425 11/1986 Austin et al. ... 244/54 4,662,582 5/1987 Brand .......... ... 244/54 21 Appl. No.: 985,560 5,209,431 5/1993 Bernard et al. 244/17.17 22 Filed: Dec. 5, 1997 O O Primary Examiner Virna Lissi Mojica Related U.S. Application Data Attorney, Agent, or Firm James E. Bradley 60 Provisional application No. 60/032,137 Dec. 9, 1996. 57 ABSTRACT 51 Int. Cl. 6 ........................... B64C 27/22; E. 2: An aircraft of the type having retractable landing gear and a pusher propeller is provided with a twin tail boom. The tail 52 U.S. Cl. ................................................................ 244/54 boom has a configuration to prevent the lowermost point of 58 Field of Search ................................ 244/7 A, 102 R, the pusher propellergll from contactingprev a landing Surfacep when 244/17.15, 17.17, 17.21, 54, 87,109. 88, 17.19 121, landing the aircraft, even with the landing gear retracted, So s u- • that the engine of the aircraft is not damaged as a result of 56) References Cited the pusher propeller being unable to rotate during the landing.
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