A horizontal stabilizer assembly includes a stabilizer connector assembly having a center multi-spar box, a first horizontal stabilizer having a first multi-spar box connected to a first side of the center multi-spar box with a plurality of first lug and clevis connections, and a second horizontal stabilizer having a second multi-spar box connected to a second side of the center multi-spar box, opposite the first side, with a plurality of second lug and clevis connections.