As reported
Disk over Príncipe (Havana) (Cuba)
A witness account on file, unevaluated. Most of the archive rests here, and honestly so.
The report, as filed
42 years ago and I don't remember about the detalis below; maybe some were present.
Held as-reported from National UFO Reporting Center. Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.