– FS2004 Smoke System Automatic Start Gauges flight2000it 20 years ago FS2004 Smoke System Automatic Start Gauges. These gauges will start the smoke system in propeller, jet or turbojet when the aircraft is accellerated over about 50% and turn smoke off if decelarated below. By Martyn Becker and Alejandro Villa. 2 Kb – FS2004 Smoke System Automatic Start Gauges– FS2004 Automatic Smoke SystemFSX – Beechcraft D17 Staggerwing