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A B737-800 took evasive action after receiving an RA on approach to phx when they flew through final approach course probably because their clearance turning them to final was covered by another aircraft.
| Attributes | |
| ACN | 706448 |
| Time | |
| Date | 200608 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : phx.airport |
| State Reference | AZ |
| Altitude | msl single value : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : p50.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | B737-800 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | descent : approach |
| Route In Use | 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 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 10000 flight time type : 2500 |
| ASRS Report | 706448 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : cfi pilot : flight engineer pilot : commercial pilot : atp pilot : multi engine |
| Experience | flight time total : 10000 flight time type : 2100 |
| ASRS Report | 706161 |
| Events | |
| Anomaly | conflict : airborne critical other anomaly other other spatial deviation |
| Independent Detector | aircraft equipment : tcas other flight crewa |
| Resolutory Action | flight crew : returned to intended or assigned course flight crew : took evasive action |
| Supplementary | |
| Problem Areas | ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Ambiguous |
Narrative:
While being vectored for approach to runway 8 at phx; the controller assigned us a 170 degree heading and an altitude of 3000 ft. Upon approaching centerline to runway 8; we were flying perpendicular towards an aircraft on approach to runway 7L. After not receiving a clearance to turn and not being able to contact the controller because of radio congestion; we turned towards runway 8. After initiating the turn; we received a bank angle warning and an RA warning which we complied with. The flight was completed without incident. Supplemental information from acn 706161: we believe that the controller tried to issue this but may have been 'stepped on.' concerned about transgressing into the approachs to runway 7; we initiated a turn to final for runway 8 without a clearance to do so. Shortly after this we received a TCAS RA on an aircraft on approach to runway 7. After complying with the RA we corrected back on course for a normal approach and landing on runway 8.
Original NASA ASRS Text
Title: A B737-800 TOOK EVASIVE ACTION AFTER RECEIVING AN RA ON APCH TO PHX WHEN THEY FLEW THROUGH FINAL APCH COURSE PROBABLY BECAUSE THEIR CLRNC TURNING THEM TO FINAL WAS COVERED BY ANOTHER ACFT.
Narrative: WHILE BEING VECTORED FOR APCH TO RWY 8 AT PHX; THE CTLR ASSIGNED US A 170 DEG HDG AND AN ALT OF 3000 FT. UPON APCHING CTRLINE TO RWY 8; WE WERE FLYING PERPENDICULAR TOWARDS AN ACFT ON APCH TO RWY 7L. AFTER NOT RECEIVING A CLRNC TO TURN AND NOT BEING ABLE TO CONTACT THE CTLR BECAUSE OF RADIO CONGESTION; WE TURNED TOWARDS RWY 8. AFTER INITIATING THE TURN; WE RECEIVED A BANK ANGLE WARNING AND AN RA WARNING WHICH WE COMPLIED WITH. THE FLT WAS COMPLETED WITHOUT INCIDENT. SUPPLEMENTAL INFO FROM ACN 706161: WE BELIEVE THAT THE CTLR TRIED TO ISSUE THIS BUT MAY HAVE BEEN 'STEPPED ON.' CONCERNED ABOUT TRANSGRESSING INTO THE APCHS TO RWY 7; WE INITIATED A TURN TO FINAL FOR RWY 8 WITHOUT A CLRNC TO DO SO. SHORTLY AFTER THIS WE RECEIVED A TCAS RA ON AN ACFT ON APCH TO RWY 7. AFTER COMPLYING WITH THE RA WE CORRECTED BACK ON COURSE FOR A NORMAL APCH AND LNDG ON RWY 8.
Data retrieved from NASA's ASRS site as of January 2009 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.