Update #1 - Final Update: The LUT vendor determined the outage was due to a Trip Circuit Breaker failure. Communications were restored to nominal operations upon its restart.

Topic:  SARSAT Hawaii 3 and 4 Low Earth Orbit (LEO) Ground Stations Offline

Date/Time Issued:   September 02, 2023 0521Z

Product(s) or Data Impacted:  SARSAT alert data

Date/Time of Initial Impact:    September 01, 2023 1226Z

Date/Time of Expected End:  September 02, 2023 0441Z

Length of Outage:  16 Hours, 26 Minutes

Details/Specifics of Change: Hawaii 3 and 4  LEO Ground Stations in Wahiawa, HI is not sending pass solution data. The maintenance vendor is investigating this issue.

Impact: Medium- Distress alert detection/reporting may be delayed. LEOSAR distress alert detection/reporting may be delayed. GEOSAR and MEOSAR are operating nominally.

Contact Information for Further Information: USMCC Operations usmcc@noaa.gov at 
301-817-4576

Web Site(s) for applicable information: N/A