One of the Japanese news paper said ;
Japan Gov. wiil release their B-747-400s by FY2019 and will use new A/Cs from FY2020.
They are seeking new A/Cs now and will decide by the end of FY2013(March 2014).
They(We) have 2 B-747-47Cs now, 20-1101 and 20-1102 operated by JASDF 701Sqn., Special Airlift Group at Chitose.