Abstract: Airplanes have transponders which receive and transmit signals to communicate information regarding the flight of the airplane. A transponder testing apparatus is integrated into the transponder and verifies that the transponders are operating in accordance to Federal Aviation Regulations.
Type:
Grant
Filed:
November 29, 1995
Date of Patent:
November 18, 1997
Assignee:
Honeywell Inc.
Inventors:
Desi D. Stelling, Charles L. Dosdall, James R. Troxel