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Flight crew of EMB120RT complains of ATC procedure of clearing turboprop air carrier aircraft out the bottom of class B airspace.
| Attributes | |
| ACN | 385508 |
| Time | |
| Date | 199711 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 4000 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | Brasilia EMB-120 All Series |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 80 flight time total : 3100 flight time type : 700 |
| ASRS Report | 385508 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | other |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
Narrative:
With dfw airport in north flow. EMB120 departed runway 31L with clearance for runway heading to 2000 ft. Upon radar contact clearance was given to climb to 4000 ft. Continued at 4000 ft on runway heading until exiting class B at 23 DME where aircraft was slowed to 200 KIAS (under class B). At approximately 25-26 DME a turn to 020 degrees and climb clearance was received. Dfw TRACON frequency vectors acrs out the bottom of class B where a midair is bound to happen.
Original NASA ASRS Text
Title: FLC OF EMB120RT COMPLAINS OF ATC PROC OF CLRING TURBOPROP ACR ACFT OUT THE BOTTOM OF CLASS B AIRSPACE.
Narrative: WITH DFW ARPT IN N FLOW. EMB120 DEPARTED RWY 31L WITH CLRNC FOR RWY HEADING TO 2000 FT. UPON RADAR CONTACT CLRNC WAS GIVEN TO CLB TO 4000 FT. CONTINUED AT 4000 FT ON RWY HEADING UNTIL EXITING CLASS B AT 23 DME WHERE ACFT WAS SLOWED TO 200 KIAS (UNDER CLASS B). AT APPROX 25-26 DME A TURN TO 020 DEGS AND CLB CLRNC WAS RECEIVED. DFW TRACON FREQ VECTORS ACRS OUT THE BOTTOM OF CLASS B WHERE A MIDAIR IS BOUND TO HAPPEN.
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.