Alpine Air Express 5A1592 Landed HLN Helena → BIL Billings 38m 442km / 272mi (Direct: 279km, +36%) 08. Apr 2025 DEPARTURE 17:55 MDT 23:55 UTC 17:59 -3 minutes ARRIVAL 18:33 MDT 00:33 UTC 18:29 +4 minutes Beech 1900D N127BA Powered by adsbexhange.com Altitude ft Speed kts Track ° AIRLINE Alpine Air Express 5A / AIP FREQUENCY 5x per week DISTANCE 279km FLIGHTS/WEEK 6 PUNCTUALITY 100% CO2 EMISSIONS Economy 64kg