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Coast Guard delivers ninth Minotaur-missionized HC-144 to fleet

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CGNR 2310 departs for its second test flight after completing Minotaur missionization. It is the Coast Guard’s ninth HC-144B Ocean Sentry outfitted with both Ocean Sentry Refresh modifications and the Minotaur mission system. U.S. Coast Guard photo by Aviation Engineering Warrant Officer 3 Randy Jopp.


The Coast Guard accepted delivery of its ninth HC-144B Ocean Sentry medium range surveillance aircraft outfitted with both the Ocean Sentry Refresh (OSR) modifications and the Minotaur mission system Dec. 16, 2020. Modifications to CGNR 2310 were completed at the Aviation Logistics Center in Elizabeth City, North Carolina. The aircraft will be based at Coast Guard Air Station Miami.

The OSR project upgrades the aircraft with a new flight management system, which manages communication control, navigation and equipment monitoring. After the OSR upgrade is completed, each aircraft is redesignated as an HC-144B.

Minotaur integrates installed sensors and radar and provides dramatically improved data fusion as well as information processing and sharing capabilities.

New Minotaur operator workstations are being installed on all HC-144Bs. Minotaur provides dramatically improved data fusion and integrates installed sensors and radar. U.S. Coast Guard photo by Aviation Engineering Warrant Officer 3 Randy Jopp.


Completion of missionization and upgrade of a 10th HC-144 is scheduled for June 2021. The service plans to upgrade each of the service’s 18 HC-144s by 2024.

For more information: HC-144 program page and Minotaur program page