I found this NOTAM.
Does anyone know more about it ?
M1203/09 - 514709N0055248E MALDEN RAD 2NM EXPECT INTENSE HELICOPTER TFC BLW
2000FT AGL, REQ TO AVOID AREA. GND - 2000FT AGL, DAILY 1130-1230, 01 SEP 11:30
2009 UNTIL 03 SEP 12:30 2009. CREATED: 06 AUG 11:38 2009
Source: http://www.notams.jcs.mil" onclick="window.open(this.href);return false;