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E120 air carrier flight crew's altitude stopped by mia approach controller when controller observed E120 descending into conflict with B737 assigned 6000 ft. When E120 flight crew questioned about altitude, flight crew states altitude assigned by pbi approach control.
| Attributes | |
| ACN | 422198 |
| Time | |
| Date | 199812 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : fll |
| State Reference | FL |
| Altitude | msl bound lower : 6000 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mia |
| Operator | common carrier : air carrier |
| Make Model Name | Brasilia EMB-120 All Series |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 100 flight time total : 6800 flight time type : 1000 |
| ASRS Report | 422198 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : clearance non adherence : published procedure non adherence : required legal separation other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other controllera |
| Resolutory Action | other |
| Consequence | Other |
| Miss Distance | vertical : 400 |
| Supplementary | |
| Air Traffic Incident | Inter Facility Coordination Failure Operational Error |
Narrative:
Aircraft X assigned 6000 ft from pbi approach. Handed off to mia approach. Observed aircraft Y descending on converging path at same rate and altitude. As we passed 6600 ft, we were instructed to level at 7000 ft. Received TCASII TA prior to leveling. Controller asked what altitude we were assigned and then stated we were supposed to be assigned 7000 ft. Both the first officer and I were positive we were assigned 6000 ft.
Original NASA ASRS Text
Title: E120 ACR FLC'S ALT STOPPED BY MIA APCH CTLR WHEN CTLR OBSERVED E120 DSNDING INTO CONFLICT WITH B737 ASSIGNED 6000 FT. WHEN E120 FLC QUESTIONED ABOUT ALT, FLC STATES ALT ASSIGNED BY PBI APCH CTL.
Narrative: ACFT X ASSIGNED 6000 FT FROM PBI APCH. HANDED OFF TO MIA APCH. OBSERVED ACFT Y DSNDING ON CONVERGING PATH AT SAME RATE AND ALT. AS WE PASSED 6600 FT, WE WERE INSTRUCTED TO LEVEL AT 7000 FT. RECEIVED TCASII TA PRIOR TO LEVELING. CTLR ASKED WHAT ALT WE WERE ASSIGNED AND THEN STATED WE WERE SUPPOSED TO BE ASSIGNED 7000 FT. BOTH THE FO AND I WERE POSITIVE WE WERE ASSIGNED 6000 FT.
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.