After being grounded for five months, Embraer’s first KC-390 prototype has resumed its flight test program with the jet spotted flying on flight tracking sites on Mar. 2.
![d93bf710-2ef7-4b52-b29a-79bcd61cd20e[1]](http://alert5.com/wp-content/uploads/2018/03/d93bf710-2ef7-4b52-b29a-79bcd61cd20e1.png)
The aircraft was involved in an accident during a stall test back in Oct. 12, 2017. The cargo plane sustained damages in its interior during the maneuver to test its low speed handling qualities.