First ATR 42-500 upgrade completed with Universal Avionics SBAS-FMS
Universal Avionics (UA) has announced the first SBAS-Flight Management System (FMS) upgrade for the ATR 42-500 type. The operator, First Air, also performed the engineering design, certification, and installation for their fleet renewal. Six First Air ATR 42-500 aircraft have each received dual UA UNS-1Fw SBAS-FMSs and a Terrain Awareness Warning System (TAWS). First Air’s



