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B737 crew climbed on instructions meant for a MD80 with a very similar call sign, resulting in a loss of separation.
| Attributes | |
| ACN | 577325 |
| Time | |
| Date | 200303 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : zkc.artcc |
| State Reference | KS |
| Altitude | msl bound lower : 29000 msl bound upper : 31000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zkc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zkc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Series (DC-9-80) Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level cruise : enroute altitude change |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Experience | controller military : 4 controller radar : 5 |
| ASRS Report | 577325 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude conflict : airborne less severe non adherence : required legal separation non adherence : clearance non adherence : published procedure |
| Independent Detector | atc equipment : conflict alert other controllera |
| Resolutory Action | none taken : detected after the fact |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 18000 vertical : 1500 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier X took climb clearance for air carrier Y, causing a loss of separation. No radio acknowledgement from air carrier X, just started to climb. Aircraft had similar sounding call signs.
Original NASA ASRS Text
Title: B737 CREW CLBED ON INSTRUCTIONS MEANT FOR A MD80 WITH A VERY SIMILAR CALL SIGN, RESULTING IN A LOSS OF SEPARATION.
Narrative: ACR X TOOK CLB CLRNC FOR ACR Y, CAUSING A LOSS OF SEPARATION. NO RADIO ACKNOWLEDGEMENT FROM ACR X, JUST STARTED TO CLB. ACFT HAD SIMILAR SOUNDING CALL SIGNS.
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.