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ATC reporter at rdu ATCT contends that there is a communications blind spot adjacent to runway 5R. This blind spot causes repeat xmissions and increased workload and sometimes backup equipment is needed to contact flts.
| Attributes | |
| ACN | 349130 |
| Time | |
| Date | 199610 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : rdu |
| State Reference | NC |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : holding |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Light Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | ground : holding |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Qualification | controller : radar |
| Experience | controller radar : 5 |
| ASRS Report | 349130 |
| Person 2 | |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
| Situations | |
| ATC Facility | other physical facility |
| Airport | other physical facility |
Narrative:
A lear was at taxiway A2 for an intersection departure. A DC9 was on a 5 mi final. A citation was taxied into position at the end of runway 5R after the previous arrival touched down. The lear was told to taxi into position and hold on runway 5R at taxiway A2. There was no response and an attempt to make contact was made again. When it was observed that the lear was not moving, the citation was cleared for takeoff and the DC9 landed without incident. The lear was contacted through the backup transceiver and cleared for takeoff after the DC9 landed. Losing communication with aircraft on runway 5R is a recurring problem at raleigh. It usually occurs once an aircraft is holding in position. It is a dangerous loss of time when you cannot talk to aircraft and causes gars when communication cannot be achieved quickly enough with the backup transceiver.
Original NASA ASRS Text
Title: ATC RPTR AT RDU ATCT CONTENDS THAT THERE IS A COMS BLIND SPOT ADJACENT TO RWY 5R. THIS BLIND SPOT CAUSES REPEAT XMISSIONS AND INCREASED WORKLOAD AND SOMETIMES BACKUP EQUIP IS NEEDED TO CONTACT FLTS.
Narrative: A LEAR WAS AT TXWY A2 FOR AN INTXN DEP. A DC9 WAS ON A 5 MI FINAL. A CITATION WAS TAXIED INTO POS AT THE END OF RWY 5R AFTER THE PREVIOUS ARR TOUCHED DOWN. THE LEAR WAS TOLD TO TAXI INTO POS AND HOLD ON RWY 5R AT TXWY A2. THERE WAS NO RESPONSE AND AN ATTEMPT TO MAKE CONTACT WAS MADE AGAIN. WHEN IT WAS OBSERVED THAT THE LEAR WAS NOT MOVING, THE CITATION WAS CLRED FOR TKOF AND THE DC9 LANDED WITHOUT INCIDENT. THE LEAR WAS CONTACTED THROUGH THE BACKUP TRANSCEIVER AND CLRED FOR TKOF AFTER THE DC9 LANDED. LOSING COM WITH ACFT ON RWY 5R IS A RECURRING PROB AT RALEIGH. IT USUALLY OCCURS ONCE AN ACFT IS HOLDING IN POS. IT IS A DANGEROUS LOSS OF TIME WHEN YOU CANNOT TALK TO ACFT AND CAUSES GARS WHEN COM CANNOT BE ACHIEVED QUICKLY ENOUGH WITH THE BACKUP TRANSCEIVER.
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.