This is a list of items you should be able to do with the GPS in order to use it for IFR flight.
There are many resources available for learning the 430W.
The quick reference guide from Garmin will cover many of these items.
The free 430W simulator from Garmin is an excellent resource.
VFR Items
GPS Info
Basics
- Know which IFR operations require a current database
- Describe if/when the GPS can substitute for a VOR, localizer, DME, and NDB
Procedures - General
- Explain when/why loading a procedure will ask about course reversal
- Load an approach for the destination airport
Menu system
Approach basics
- Activate vectors to final for an approach that is already loaded
Map Page
Nav - General
Nav - VOR
Nav - GPS
Airports
Approach - RNAV