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An air carrier B727 flight crew slows below their assigned airspeed causing the trailing aircraft to close on them during their approach to runway 35C.
| Attributes | |
| ACN | 347920 |
| Time | |
| Date | 199609 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : dfw |
| State Reference | TX |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : dfw tower : dfw |
| Operator | common carrier : air carrier |
| Make Model Name | B727 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 |
| ASRS Report | 347920 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| ASRS Report | 347921 |
| Events | |
| Anomaly | non adherence : far non adherence : clearance other anomaly |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Heavy rain and turbulence on final. I told first officer to slow to 140 KTS for spacing on aircraft ahead not hearing 170 KT assignment. First officer slowed to 140 KTS. Spacing was good then. Tower said to increase speed to 170 KTS. We complied and completed approach without incident.
Original NASA ASRS Text
Title: AN ACR B727 FLC SLOWS BELOW THEIR ASSIGNED AIRSPD CAUSING THE TRAILING ACFT TO CLOSE ON THEM DURING THEIR APCH TO RWY 35C.
Narrative: HVY RAIN AND TURB ON FINAL. I TOLD FO TO SLOW TO 140 KTS FOR SPACING ON ACFT AHEAD NOT HEARING 170 KT ASSIGNMENT. FO SLOWED TO 140 KTS. SPACING WAS GOOD THEN. TWR SAID TO INCREASE SPD TO 170 KTS. WE COMPLIED AND COMPLETED APCH WITHOUT INCIDENT.
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.