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Air carrier requesting altitude change via cpdlc initiated climb but was then called via SELCAL advising clearance was for another aircraft.
| Attributes | |
| ACN | 787787 |
| Time | |
| Date | 200805 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : eggx.artcc |
| State Reference | FO |
| Altitude | msl single value : 39000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : eggx.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Route In Use | enroute : atlantic |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : relief pilot |
| ASRS Report | 787787 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
At 52n30w manually logged onto eggx via cpdlc. 10 mins later; we received a cpdlc clearance to climb from FL380 to FL390. Accepted clearance and executed climb to FL390. Sent lvl report via cpdlc. 5 mins later eggx called via SELCAL and informed us that the clearance was for another aircraft. They asked us if we wanted to remain at FL390 and we said yes. ATC verbally gave clearance to remain at FL390. Printed copy of original cpdlc message to climb to FL390 was; in fact; addressed to our aircraft.
Original NASA ASRS Text
Title: ACR REQUESTING ALT CHANGE VIA CPDLC INITIATED CLIMB BUT WAS THEN CALLED VIA SELCAL ADVISING CLRNC WAS FOR ANOTHER ACFT.
Narrative: AT 52N30W MANUALLY LOGGED ONTO EGGX VIA CPDLC. 10 MINS LATER; WE RECEIVED A CPDLC CLRNC TO CLB FROM FL380 TO FL390. ACCEPTED CLRNC AND EXECUTED CLB TO FL390. SENT LVL RPT VIA CPDLC. 5 MINS LATER EGGX CALLED VIA SELCAL AND INFORMED US THAT THE CLRNC WAS FOR ANOTHER ACFT. THEY ASKED US IF WE WANTED TO REMAIN AT FL390 AND WE SAID YES. ATC VERBALLY GAVE CLRNC TO REMAIN AT FL390. PRINTED COPY OF ORIGINAL CPDLC MESSAGE TO CLB TO FL390 WAS; IN FACT; ADDRESSED TO OUR ACFT.
Data retrieved from NASA's ASRS site as of May 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.