On 05/06/06 17:35, wrote:

Hello,

I'm new to IFR and just learning... if our plane doesn't have an ADF or
a DME... can we legally use, say a garmin 430, to do a NDB approach?


No.

Why not? If you'll go direct with a handheld then why not shoot an NDB
approach with an IFR certified panel mount GPS such as a 430?