<< >> NASA ASRS Report 342497, July 1996

Air carrier commuter utilizes similar sounding call signs at rdu for departure and arrival rush period.

Attributes
ACN	342497
Time
Date	199607
Day	Tue
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : rdu
State Reference	NC
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	tower : pie
Person 1
Affiliation	government : faa
Function	controller : departure
Qualification	controller : radar
Experience	controller military : 5 controller non radar : 3 controller radar : 20 controller supervisory : 1
ASRS Report	342497
Person 2
Affiliation	government : faa
Function	oversight : supervisor
Qualification	controller : radar
Events
Anomaly	other anomaly other
Independent Detector	other controllera
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

This is similar sounding call signs. This is an ongoing problem at the rdu facility. Last week we had a system error between 2 aircraft and I believe that the call signs had a contributing factor. Air carrier X has been approached on this subject several times and we have received no help in solving this problem. Last week we were lucky and the aircraft in question missed each other. Once you get 4 or 5 of these aircraft on your radar scope, the numbers run together on the scope and in your mind.

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Original NASA ASRS Text

Title: ACR COMMUTER UTILIZES SIMILAR SOUNDING CALL SIGNS AT RDU FOR DEP AND ARR RUSH PERIOD.

Narrative: THIS IS SIMILAR SOUNDING CALL SIGNS. THIS IS AN ONGOING PROB AT THE RDU FACILITY. LAST WK WE HAD A SYS ERROR BTWN 2 ACFT AND I BELIEVE THAT THE CALL SIGNS HAD A CONTRIBUTING FACTOR. ACR X HAS BEEN APCHED ON THIS SUBJECT SEVERAL TIMES AND WE HAVE RECEIVED NO HELP IN SOLVING THIS PROB. LAST WK WE WERE LUCKY AND THE ACFT IN QUESTION MISSED EACH OTHER. ONCE YOU GET 4 OR 5 OF THESE ACFT ON YOUR RADAR SCOPE, THE NUMBERS RUN TOGETHER ON THE SCOPE AND IN YOUR MIND.

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.