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2 air carrier flts departing pbi and fll respectively each morning at the same time have identical flight numbers.
| Attributes | |
| ACN | 210928 |
| Time | |
| Date | 199205 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : fll airport : pbi |
| State Reference | FL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | ground : preflight other |
| Route In Use | enroute airway : zma |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | ground : preflight other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 150 flight time total : 20000 flight time type : 5000 |
| ASRS Report | 210928 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
Every morning at XX00 EDT air carrier (1), flight abc leaves fll while air carrier (2), flight abc leaves pbi both headed for tpa and then on to dca and bdl respectively. The flcs of both flts have been aware and alert for the obvious probable problems of this situation. In spite of their alertness at least a dozen clrncs to one of the aircraft have been read back or at least questioned by the other. On one occasion the wrong aircraft left it's cruise altitude based on the clearance intended for the other. (No conflict). If the operators cannot prevent this type of situation each ATC center should not accept 2 or more aircraft with the same numbers in the call sign.
Original NASA ASRS Text
Title: 2 ACR FLTS DEPARTING PBI AND FLL RESPECTIVELY EACH MORNING AT THE SAME TIME HAVE IDENTICAL FLT NUMBERS.
Narrative: EVERY MORNING AT XX00 EDT ACR (1), FLT ABC LEAVES FLL WHILE ACR (2), FLT ABC LEAVES PBI BOTH HEADED FOR TPA AND THEN ON TO DCA AND BDL RESPECTIVELY. THE FLCS OF BOTH FLTS HAVE BEEN AWARE AND ALERT FOR THE OBVIOUS PROBABLE PROBLEMS OF THIS SITUATION. IN SPITE OF THEIR ALERTNESS AT LEAST A DOZEN CLRNCS TO ONE OF THE ACFT HAVE BEEN READ BACK OR AT LEAST QUESTIONED BY THE OTHER. ON ONE OCCASION THE WRONG ACFT LEFT IT'S CRUISE ALT BASED ON THE CLRNC INTENDED FOR THE OTHER. (NO CONFLICT). IF THE OPERATORS CANNOT PREVENT THIS TYPE OF SITUATION EACH ATC CTR SHOULD NOT ACCEPT 2 OR MORE ACFT WITH THE SAME NUMBERS IN THE CALL SIGN.
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.