|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Locale Reference||intersection : thank|
|Affiliation||company : air carrier|
|Function||flight crew : captain|
|Independent Detector||other flight crewa|
|Resolutory Action||none taken : unable|
|Problem Areas||Navigational Facility|
|Primary Problem||Navigational Facility|
|ATC Facility||communication equipment : tjzs.artcc|
There is a 'dead space' in the san juan fir where flts can hear san juan center on frequency 134.3 but san juan center cannot hear the reply from aircraft. It is located in the vicinity of the thank intersection at approximately 21 degrees 30 north latitude. With san juan center controllers working multiple frequencies it becomes a safety concern as well as a frustrating situation for the pilots and controllers.
Original NASA ASRS Text
Title: RPTR CLAIMS THERE IS A COM DEAD SPACE EXISTS IN TJZS AIRSPACE NEAR 'THANK' INTXN AT N21 DEGS 27.6 W 66 DEGS 03.0 ON AIRWAY A319/A523/G432.
Narrative: THERE IS A 'DEAD SPACE' IN THE SAN JUAN FIR WHERE FLTS CAN HEAR SAN JUAN CTR ON FREQUENCY 134.3 BUT SAN JUAN CTR CANNOT HEAR THE REPLY FROM ACFT. IT IS LOCATED IN THE VICINITY OF THE THANK INTXN AT APPROX 21 DEGS 30 NORTH LATITUDE. WITH SAN JUAN CTR CTLRS WORKING MULTIPLE FREQUENCIES IT BECOMES A SAFETY CONCERN AS WELL AS A FRUSTRATING SITUATION FOR THE PLTS AND CTLRS.
Data retrieved from NASA's ASRS site as of January 2009 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.