Narrative:

Approaching lga runway 4, tuned lga tower 118.7 about 10 NM from airport. A distracting, loud interference broke squelch. It was so loud as to be painful. Turning volume down made it difficult to hear lga tower but we could hear tower and they could hear us. Tower stated the interference was a long time known problem. It lasted from 10 NM final to about 3 NM out. If it is a long time known problem, please find and stop it!

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Original NASA ASRS Text

Title: AN ACR FLC FLYING A TWIN TURBOJET ACFT INTO LGA EXPERIENCES TWR FREQ RADIO INTERFERENCE BTWN 3-10 MI FROM ARPT ON LOC RWY 4.

Narrative: APCHING LGA RWY 4, TUNED LGA TWR 118.7 ABOUT 10 NM FROM ARPT. A DISTRACTING, LOUD INTERFERENCE BROKE SQUELCH. IT WAS SO LOUD AS TO BE PAINFUL. TURNING VOLUME DOWN MADE IT DIFFICULT TO HEAR LGA TWR BUT WE COULD HEAR TWR AND THEY COULD HEAR US. TWR STATED THE INTERFERENCE WAS A LONG TIME KNOWN PROB. IT LASTED FROM 10 NM FINAL TO ABOUT 3 NM OUT. IF IT IS A LONG TIME KNOWN PROB, PLEASE FIND AND STOP IT!

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.