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Coast Guard delivers 12th Minotaur-missionized HC-144B to fleet

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CGNR 2310, one of Air Station Miami’s HC-144B Ocean Sentries, takes off for a mission. A fifth upgraded HC-144B, CGNR 2309, was delivered to Miami April 29, 2022. The air station is set to receive one more upgraded aircraft, which includes Ocean Sentry Refresh modifications and Minotaur mission system integration. U.S. Coast Guard photo by Auxiliarist Joseph Feldman, Air Station Miami External Affairs.


The Coast Guard accepted delivery of its 12th HC-144B Ocean Sentry medium range surveillance aircraft outfitted with both the Ocean Sentry Refresh (OSR) modifications and the Minotaur mission system April 29. Modifications to CGNR 2309 were completed at the Aviation Logistics Center in Elizabeth City, North Carolina. The aircraft will be based at 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.

Completion of missionization and upgrade of a 13th HC-144 is scheduled for the fall of 2022. The service plans to upgrade each of the service’s 18 HC-144s by 2024.

For more information: Medium Range Surveillance Aircraft Program page and Minotaur Program page