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Flight crew of an large transport failed to follow the runway heading track after departure causing less than standard separation with departing traffic on a parallel runway.
| Attributes | |
| ACN | 313510 |
| Time | |
| Date | 199508 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : cvg |
| State Reference | OH |
| Altitude | msl bound lower : 1000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : cvg |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : initial climbout : intermediate altitude |
| Route In Use | departure other departure sid : sid |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | other : unknown |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | other other : other pilot : instrument pilot : flight engineer pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 16000 flight time type : 3000 |
| ASRS Report | 313510 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : clearance non adherence : published procedure other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Miss Distance | horizontal : 12000 vertical : 700 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Clearance was gail 7 departure from cvg to phl. After a runway 18L takeoff, LNAV was engaged but did not track magenta line. Aircraft drifted right near departure path for runway 18R. Closed to within 2 NM and 700 ft of departing aircraft on runway 18R before pilots realized error, engaged heading select and corrected situation by turning to 165 degree heading on departure. Factors were over reliance on FMS navigation and pilots not properly monitoring the LNAV performance.
Original NASA ASRS Text
Title: FLC OF AN LGT FAILED TO FOLLOW THE RWY HDG TRACK AFTER DEP CAUSING LTSS WITH DEPARTING TFC ON A PARALLEL RWY.
Narrative: CLRNC WAS GAIL 7 DEP FROM CVG TO PHL. AFTER A RWY 18L TKOF, LNAV WAS ENGAGED BUT DID NOT TRACK MAGENTA LINE. ACFT DRIFTED R NEAR DEP PATH FOR RWY 18R. CLOSED TO WITHIN 2 NM AND 700 FT OF DEPARTING ACFT ON RWY 18R BEFORE PLTS REALIZED ERROR, ENGAGED HDG SELECT AND CORRECTED SIT BY TURNING TO 165 DEG HDG ON DEP. FACTORS WERE OVER RELIANCE ON FMS NAV AND PLTS NOT PROPERLY MONITORING THE LNAV PERFORMANCE.
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.