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First officer of an embraer 120 failed to start descent to the lower assigned altitude resulting in a TCASII and the captain taking over the controls to expedite the descent.
| Attributes | |
| ACN | 420484 |
| Time | |
| Date | 199811 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : dfw airport : dfw |
| State Reference | TX |
| Altitude | msl bound lower : 4000 msl bound upper : 5000 |
| 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 |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : instrument pilot : cfi |
| Experience | flight time last 90 days : 210 flight time total : 5530 flight time type : 3980 |
| ASRS Report | 420484 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : cfi pilot : commercial |
| Experience | flight time last 90 days : 80 flight time total : 1500 flight time type : 80 |
| ASRS Report | 420054 |
| Events | |
| Anomaly | altitude deviation : undershoot non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Miss Distance | horizontal : 10000 vertical : 100 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While operating on the cedar creek arrival, I was trying to call company for in range information. While I was on communication #2, the first officer (who was PF) was monitoring communication #1. We were issued a clearance from 5000 ft to 4000 ft. The first officer read back the clearance but did not comply. As I was returning to communication #1 we were issued a clearance to 'expedite to 4000 ft and a tight right turn to 350 degrees to intercept the runway 35R localizer.' as I was reading the clearance back, we received a 'traffic, traffic' advisory from TCASII. I immediately took the controls to comply with the clearance. The traffic was on the runway 35C localizer at 5000 ft. No other conflicts (traffic) were issued from TCASII or ATC.
Original NASA ASRS Text
Title: FO OF AN EMBRAER 120 FAILED TO START DSCNT TO THE LOWER ASSIGNED ALT RESULTING IN A TCASII AND THE CAPT TAKING OVER THE CTLS TO EXPEDITE THE DSCNT.
Narrative: WHILE OPERATING ON THE CEDAR CREEK ARR, I WAS TRYING TO CALL COMPANY FOR IN RANGE INFO. WHILE I WAS ON COM #2, THE FO (WHO WAS PF) WAS MONITORING COM #1. WE WERE ISSUED A CLRNC FROM 5000 FT TO 4000 FT. THE FO READ BACK THE CLRNC BUT DID NOT COMPLY. AS I WAS RETURNING TO COM #1 WE WERE ISSUED A CLRNC TO 'EXPEDITE TO 4000 FT AND A TIGHT R TURN TO 350 DEGS TO INTERCEPT THE RWY 35R LOC.' AS I WAS READING THE CLRNC BACK, WE RECEIVED A 'TFC, TFC' ADVISORY FROM TCASII. I IMMEDIATELY TOOK THE CTLS TO COMPLY WITH THE CLRNC. THE TFC WAS ON THE RWY 35C LOC AT 5000 FT. NO OTHER CONFLICTS (TFC) WERE ISSUED FROM TCASII OR ATC.
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.