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B737-300 flight crew overshot assigned altitude and conflict with DHC8 in clt airspace. Reporter states similar call signs a factor.
| Attributes | |
| ACN | 571812 |
| Time | |
| Date | 200301 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : clt.tracon |
| State Reference | NC |
| Altitude | msl single value : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : clt.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure : on vectors departure sid : n/s |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : clt.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Dash 8 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 90 flight time total : 11150 flight time type : 2870 |
| ASRS Report | 571812 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | altitude deviation : overshoot conflict : airborne critical non adherence : company policies non adherence : published procedure non adherence : required legal separation |
| Independent Detector | atc equipment other atc equipment : radar aircraft equipment : tcas other controllera other flight crewa |
| Resolutory Action | controller : issued alert controller : issued new clearance flight crew : returned to assigned altitude flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 19000 vertical : 800 |
| Supplementary | |
| Problem Areas | Environmental Factor Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We received clearance: '...to 290 degrees, turn right heading 300 degrees, intercept haray transition, traffic will pass above you.' during climb through 8000+ ft, received a TCASII TA. Noted on TCASII that traffic was approximately 1500 ft above and to our left. We were in an aggressive right turn to 300 degrees (from 250 degrees), and it appeared the traffic would not be a factor. Immediately thereafter, the TCASII alert changed to an RA (initially, reduce climb, then descend). Almost simultaneous with the RA, we received clearance from ATC to descend to 8000 ft. We immediately complied. The flight continued to houston uneventfully. Note: similar call signs were on the frequency, we were 'air carrier X abcd,' and there was also an 'air carrier X cdab.'
Original NASA ASRS Text
Title: B737-300 FLC OVERSHOT ASSIGNED ALT AND CONFLICT WITH DHC8 IN CLT AIRSPACE. RPTR STATES SIMILAR CALL SIGNS A FACTOR.
Narrative: WE RECEIVED CLRNC: '...TO 290 DEGS, TURN R HDG 300 DEGS, INTERCEPT HARAY TRANSITION, TFC WILL PASS ABOVE YOU.' DURING CLB THROUGH 8000+ FT, RECEIVED A TCASII TA. NOTED ON TCASII THAT TFC WAS APPROX 1500 FT ABOVE AND TO OUR L. WE WERE IN AN AGGRESSIVE R TURN TO 300 DEGS (FROM 250 DEGS), AND IT APPEARED THE TFC WOULD NOT BE A FACTOR. IMMEDIATELY THEREAFTER, THE TCASII ALERT CHANGED TO AN RA (INITIALLY, REDUCE CLB, THEN DSND). ALMOST SIMULTANEOUS WITH THE RA, WE RECEIVED CLRNC FROM ATC TO DSND TO 8000 FT. WE IMMEDIATELY COMPLIED. THE FLT CONTINUED TO HOUSTON UNEVENTFULLY. NOTE: SIMILAR CALL SIGNS WERE ON THE FREQ, WE WERE 'ACR X ABCD,' AND THERE WAS ALSO AN 'ACR X CDAB.'
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.