Lieutenant Umbato was a 24th century Starfleet officer serving aboard the USS Enterprise-D under Captain Picard.

In 2367, shortly after stardate 44390.1, Umbato broke two ribs during a holodeck exercise and was subsequently treated in sickbay. This accident was among the subjects Worf briefed Data on as the android prepared to take the conn for the night shift. (TNG: "Data's Day")

This character was only mentioned in dialogue.
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