Narrative:

While on a practice RNAV approach I went below the prescribed altitude prompting an attitude alert from tower (GPS also gave alt alert). I climbed back to altitude and finished approach. Need to be more vigilant with altitude control on approaches.

Google
 

Original NASA ASRS Text

Title: BE33 pilot reports descending the below the prescribed altitude during a practice RNAV approach to LOU in VMC. Both the aircraft GPS and the Tower give low altitude alerts.

Narrative: While on a practice RNAV approach I went below the prescribed altitude prompting an attitude alert from tower (GPS also gave alt alert). I climbed back to altitude and finished approach. Need to be more vigilant with altitude control on approaches.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.