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B737 flight crew expressed frustration regarding P50 controller's application of visual separation and spacing techniques.
| Attributes | |
| ACN | 623436 |
| Time | |
| Date | 200406 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : phx.airport |
| State Reference | AZ |
| Altitude | agl single value : 2000 |
| Environment | |
| Weather Elements | Turbulence |
| Aircraft 1 | |
| Controlling Facilities | tracon : p50.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | approach : traffic pattern arrival : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : p50.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Route In Use | approach : traffic pattern |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 623436 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation non adherence : published procedure other anomaly other |
| Independent Detector | aircraft equipment : tcas other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : took precautionary avoidance action |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 12600 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
Vectored to final, encountered aircraft ahead at 5 mi, wake turbulence. Approach slowed us to 160 KTS, then vectored a company B737 between us and the previous aircraft. We had previously called the airport in sight. Approach called the traffic at '3 mi,' TCASII showed the traffic at about 2.1 mi. I repeated that we had the airport in sight. His response was either I call the traffic or he would break us out. He turned traffic in front of us without proper spacing, we either covered his mistake or we don't get to land. We called traffic and went to final approach speed with slight s-turn.
Original NASA ASRS Text
Title: B737 FLT CREW EXPRESSED FRUSTRATION REGARDING P50 CTLR'S APPLICATION OF VISUAL SEPARATION AND SPACING TECHNIQUES.
Narrative: VECTORED TO FINAL, ENCOUNTERED ACFT AHEAD AT 5 MI, WAKE TURB. APCH SLOWED US TO 160 KTS, THEN VECTORED A COMPANY B737 BTWN US AND THE PREVIOUS ACFT. WE HAD PREVIOUSLY CALLED THE ARPT IN SIGHT. APCH CALLED THE TFC AT '3 MI,' TCASII SHOWED THE TFC AT ABOUT 2.1 MI. I REPEATED THAT WE HAD THE ARPT IN SIGHT. HIS RESPONSE WAS EITHER I CALL THE TFC OR HE WOULD BREAK US OUT. HE TURNED TFC IN FRONT OF US WITHOUT PROPER SPACING, WE EITHER COVERED HIS MISTAKE OR WE DON'T GET TO LAND. WE CALLED TFC AND WENT TO FINAL APCH SPD WITH SLIGHT S-TURN.
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.