Narrative:

IAP correction -- seattle center clears for approach to acv, but no seattle center frequency printed on approach plate.

Google
 

Original NASA ASRS Text

Title: SMA CFI AT ACV POINTS OUT LACK OF CURRENT INFORMATION 'PROPER FREQ' ON APCH CHART FOR ACV INSTRUMENT PROCEDURE.

Narrative: IAP CORRECTION -- SEATTLE CENTER CLEARS FOR APPROACH TO ACV, BUT NO SEATTLE CENTER FREQUENCY PRINTED ON APPROACH PLATE.

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.