54400 lbs @ Flaps 15:
Vref = 118
Vref (ice) = 138

54400 lbs @ Flaps 10:
Vref = 124
Vref (ice) = 144

54400 lbs @ Flaps 5:
Vref = 133
Vref (ice) = 153

At the moment of upset, flaps were at 6.7 degrees and the airspeed was 126 with a 12 degree AoA.