CBT CD´S

Hello Friends
I have B737NG/B777 and A319/320/321 CBT CD
The cd´s are very important to maintenance practices,included engine run-up,fim,maintenance tasks,troubleshooting…
Included all ata chapters,the cd´s ask many questions for you and show the correct answer if you fail.
If you would like more information send me a message by

Thanks
Mauricio