Below are some links you can look at to get more information on training in aircraft over 12,500. Basically a procedure has been in place since March 15 of this year which now should speed up the process. Remember before March there was no way to complete this task so therefore things took so long.
Department of Justice Issues Rules For Training Foreign Nationals
http://www.nata-online.org/2GovWatch...lRuleFTTTF.htm
TSA Announces Background Check Process
http://www.nata-online.org/2GovWatch...30226.CHRC.htm