This can be a Multi-engine Add-on to your Private or Commercial Certificate.  We will cover Vmc, single engine performance considerations and the more complex systems of a multi-engine airplane If you have an instrument rating already you will want to get your Multi-engine rating with instrument privileges.  We will help you complete this important part of your rating as well. Provided you work full time until the completion of your certificate you can have your Multi-engine rating in three days.  We will dedicate one instructor to work with you all day every day until competition.  Note:  there are no prerequisites for this rating.