10 | 10 | DO-224C MASPS Status  Draft DO-224C –VDL2 multi-frequency is updated to align with A631-6 –Approved for Final Review And Comment in Plenary 12, Berlin, April, 2011 –Received a total of 21 FRAC comments –VDLSG/WG92 collectively resolved all 21 FRAC comments by September 2011 –SC-214 Approved DO-224C in Plenary 13, Paris, September 2011 –PMC approved DO-224C publication in December 2011 © 2013 The MITRE Corporation.