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Track heading deviation implemented by PIC when clouds are recognized to be on the approach course during a visual approach.
| Attributes | |
| ACN | 201997 |
| Time | |
| Date | 199202 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : sfo |
| State Reference | CA |
| Altitude | msl bound lower : 6000 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : oak |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent : approach |
| Route In Use | approach : visual enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 170 flight time total : 9500 flight time type : 1500 |
| ASRS Report | 201997 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | inflight encounter other non adherence : far non adherence : published procedure non adherence : clearance other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Approaching sfo from south. Approach asked if we had airport in sight, we replied affirmative. Without further comment he then cleared us for the tip-toe visual approach to 28L. Because we would have flown through considerable cloud on our existing heading, I turned to a more westerly heading to intercept the runway centerline. This caused us to intercept the final approach course inside the 9 DME fix, contrary to company policy. We also did not completely follow the track depicted on the chart. I must remember that some of our so called 'visual' approachs are actually instrument approachs with a visual segment, and, in those cases, decline the approach if WX is not appropriate.
Original NASA ASRS Text
Title: TRACK HDG DEV IMPLEMENTED BY PIC WHEN CLOUDS ARE RECOGNIZED TO BE ON THE APCH COURSE DURING A VISUAL APCH.
Narrative: APCHING SFO FROM S. APCH ASKED IF WE HAD ARPT IN SIGHT, WE REPLIED AFFIRMATIVE. WITHOUT FURTHER COMMENT HE THEN CLRED US FOR THE TIP-TOE VISUAL APCH TO 28L. BECAUSE WE WOULD HAVE FLOWN THROUGH CONSIDERABLE CLOUD ON OUR EXISTING HDG, I TURNED TO A MORE WESTERLY HDG TO INTERCEPT THE RWY CTRLINE. THIS CAUSED US TO INTERCEPT THE FINAL APCH COURSE INSIDE THE 9 DME FIX, CONTRARY TO COMPANY POLICY. WE ALSO DID NOT COMPLETELY FOLLOW THE TRACK DEPICTED ON THE CHART. I MUST REMEMBER THAT SOME OF OUR SO CALLED 'VISUAL' APCHS ARE ACTUALLY INST APCHS WITH A VISUAL SEGMENT, AND, IN THOSE CASES, DECLINE THE APCH IF WX IS NOT APPROPRIATE.
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.