Patents Assigned to Harry D. Shannon
  • Convertible amphibious aircraft wheel position warning system
    Patent number: 4516124
    Abstract: An apparatus is provided for an amphibious aircraft which also has retractable landing gear. The apparatus senses changes in aircraft speed indicative of an imminent landing or a takeoff and prompts the pilot to verify that the landing gear is in a position compatible with the type of surface, land or water, chosen for landing.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: May 7, 1985
    Assignee: Harry D. Shannon
    Inventors: Harry D. Shannon, William P. Lutts