Hart played an all-around match Thursday night against rival Shelby in the district finals in Manistee, rolling to a 25-19, 25-16, 25-14 victory and scoring a district trophy.
Pirates' coach Shawn Bectel said it was the team's first district title since 2004.
"The girls played amazing tonight and put together the ultimate game," Bectel said. "What a great time to be a Pirate. Huge accomplishments for these girls and this program."
Hart advanced to take on top-ranked Roscommon in Tuesday's regional semifinal match in Farwell.
Hart hit .231 as a team, a very strong number, led by Reese Smith's 15 kills. Peyton Erickson continued a standout freshman season with nine kills on a .474 hitting percentage and added four blocks, tied with Ava Johnson for the team lead.
Also for the Pirates, the team made only five service errors while accumulating eight aces. Smith led the team with three aces.
Calyn Eisenlohr notched 16 assists for the Pirates, and Grace Tucker added 13. Alayna Schiller had 17 digs on defense.
Briar Peters led the Tigers with 13 kills and 12 digs, and Annabelle Stark posted five blocks. Izzy Rudat had three aces, Emma Stovall posted 11 digs and Peyton Rapes passed out 14 assists.
