Ensign Tyler was a Starfleet officer, assigned to USS Enterprise-D's engineering division in 2370.

That year, after re-calibrating the starboard EPS module, she worked on the deuterium cartridges with Lieutenant Farrell, shortly before the activation of a new warp core. She also had a crush on Chief Engineer Geordi La Forge, but he did not share her feelings. (TNG: "Phantasms")

Ensign Tyler was played by Gina Ravarra.
The novel A Time to Harvest gives her the first name Andrea.
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