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A CRJ2 crew departing ord behind a B737 had speed restr lifted and failed to call ZAU as instructed. The CRJ2 increased speed and conflicted with the B737.
| Attributes | |
| ACN | 594594 |
| Time | |
| Date | 200309 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : ord.airport |
| Altitude | msl bound lower : 13000 msl bound upper : 13300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zau.artcc tracon : c90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude climbout : initial |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | artcc : zau.artcc tracon : c90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Regional Jet 200 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude climbout : vacating altitude |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Experience | controller radar : 29 |
| ASRS Report | 594594 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Events | |
| Anomaly | conflict : airborne critical non adherence : required legal separation non adherence : published procedure non adherence : clearance |
| Independent Detector | atc equipment other atc equipment : radar/mode c other controllera other controllerb other flight crewa other flight crewb |
| Resolutory Action | none taken : anomaly accepted |
| Miss Distance | horizontal : 27600 vertical : 500 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
CRJ2 was speed restr for the B737 to increase to cruise climb speed, the CRJ2 was given 'resume normal speed' and frequency changed to ZAU. The CRJ2 did not change to the center frequency, but leveled at 13000 ft and built speed.
Original NASA ASRS Text
Title: A CRJ2 CREW DEPARTING ORD BEHIND A B737 HAD SPD RESTR LIFTED AND FAILED TO CALL ZAU AS INSTRUCTED. THE CRJ2 INCREASED SPD AND CONFLICTED WITH THE B737.
Narrative: CRJ2 WAS SPD RESTR FOR THE B737 TO INCREASE TO CRUISE CLB SPD, THE CRJ2 WAS GIVEN 'RESUME NORMAL SPD' AND FREQ CHANGED TO ZAU. THE CRJ2 DID NOT CHANGE TO THE CTR FREQ, BUT LEVELED AT 13000 FT AND BUILT SPD.
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.