United States Coast Guard aircraft CG26301 (MMSI: 338926971), CG20306 (MMSI: 338926509), and CASA HC-144A Ocean Sentry operated in the Windward Passage and at the tip of Maisí cape, Cuba, on February 21, 2026, at 23:13 UTC, according to an X post by @FlconEYES during the reporting window from 11:46 PM to 1:45 AM UTC. The post, timestamped at 2313 UTC on February 21, specified Coast Guard service activity with tags #AvGeek, #ADSB, #planespotting, and #21Feb, including a translation from Spanish to English, sourced from ADS-B tracking data. This Coast Guard presence occurs amid Cuba's ongoing nationwide blackouts, as previously reported by CiberCuba, where hotels continue providing electricity and special dinners to tourists while residents face outages.