ERJ – Speed Calculator v2. This software calculates the takeoff and landing v-speeds for the Embraer ERJ-Jets 170, 175, 190 and 195. If you like to fly the Feelthere ERJ-Jets, “ERJ – Speed Calculator” is the right choice for you. Changelog v2: E190 added – field elevation limited to 8000 ft/2438m for E170/E175 and 10,000 ft/3048m for E190/E195 – crosswind limits added – wrong data in performance_database fixed. The software requires Net Framework 4.0 and Access 2013 Runtime. By Gerson Nerger.