Horizon Air cements its standing as largest operator of Q400 turboprops worldwide with 52 aircraft Brings firm orders of Q400 aircraft sold to 499 Bombardier performing heavy maintenance for Horizon’s fleet at its Tucson, Arizona facility Toronto, 2014-7-16 — /Travel PR News/ — Bombardier Aerospace announced today that Seattle-based Horizon Air Industries, Inc. has signed a firm… Read the full press release