Working With The Model | Creating Entity pt2

Content:
Creating an interface for the aircraft
Defining the aircraft
Changing exisiting models that will use this new aircraft (pilot)
Creating a map for the aircraft that way entityframework can add it to our database
Modifying the database context to include aircrafts
Changing the multiplicity map to include aircrafts
creating a repo pattern for the aircraft
And finally testing that repo pattern with some tests