Narrative:

I crossed the OM high. In descending and trying to capture the GS, we triggered some kind of instrument in the control tower and they issued us a low altitude alert. They asked us if we were able to continue the approach. After we said yes, they commented that they were just not used to seeing aircraft descending that rapidly. At no time did we descend below the GS. During my debrief with the first officer, he stated that at one point inside the OM, we had as much as 4000 vsi. I felt we were stable prior to 1000 ft. He stated we were stable at 920 ft. All this was as a result of me not slowing and descending soon enough. I have heard and read of this problem with the A319 and A320. Now, I've been there, done that.

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Original NASA ASRS Text

Title: A320 FLT CREW HAS UNSTABILIZED APCH TO MSP.

Narrative: I CROSSED THE OM HIGH. IN DSNDING AND TRYING TO CAPTURE THE GS, WE TRIGGERED SOME KIND OF INST IN THE CTL TWR AND THEY ISSUED US A LOW ALT ALERT. THEY ASKED US IF WE WERE ABLE TO CONTINUE THE APCH. AFTER WE SAID YES, THEY COMMENTED THAT THEY WERE JUST NOT USED TO SEEING ACFT DSNDING THAT RAPIDLY. AT NO TIME DID WE DSND BELOW THE GS. DURING MY DEBRIEF WITH THE FO, HE STATED THAT AT ONE POINT INSIDE THE OM, WE HAD AS MUCH AS 4000 VSI. I FELT WE WERE STABLE PRIOR TO 1000 FT. HE STATED WE WERE STABLE AT 920 FT. ALL THIS WAS AS A RESULT OF ME NOT SLOWING AND DSNDING SOON ENOUGH. I HAVE HEARD AND READ OF THIS PROB WITH THE A319 AND A320. NOW, I'VE BEEN THERE, DONE THAT.

Data retrieved from NASA's ASRS site as of July 2007 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.