Multi-Engine "Checkride Ready!™"
Adding multi-engine privileges to a certificate (or testing for an initial) adds a whole set of aerodynamic issues and associated knowledge/risk management concerns. At every level,
this FAA course
is recommended!
CFI-NOTAMs for Experience/Endorsements
[And log "Ground Training" IAW 61.125(b)(1-15)]
Commercial Pilot Experience Form (Initial)
Many Things a New Multi Engine Pilots Must Know!