Military Periscope Logo

AN/BQR-19 Top Hat

Country of Origin: USA


The AN/BQR-19, nicknamed Top Hat, is an active, short-range, rapid-scanning submarine sonar for collision avoidance, navigation and other special applications, including upward-looking ice detection and mine detection.

Unlike many similar sonars, this system is mast-mounted; it weighs 1,000 pounds (454 kg).


Initial operational capability (IOC) was attained in 1970. The AN/BQR-19 is in service on board U.S. Navy OHIO-class and Converted Ohio-class submarines.



Please log in to continue reading.

Not yet a subscriber? Take a free trial.

Military Periscope gives you easy-to-use, integrated, open-source intelligence on…

  • More than 7,500 weapons systems and platforms
  • Nearly every country's armed forces
  • Militant organizations
laptop image

Try Military Periscope free for seven days

Military Periscope Logo

Your online source for military news, weapons, and nation's armed forces worldwide

Military Periscope FEDLINK information

Service ID: UC

Contract Number: LCFDL24D0002

Military Periscope is a product of GovExec.

600 New Hampshire Ave., Suite 510,

Washington DC, 20037, USA.

©Military Periscope 2024

All rights reserved. Redistribution of the content is prohibited without prior consent of Military Periscope.