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Air carrier captain flying advanced cockpit medium large transport mistakenly turns heading bug to 250 degrees instead of adjusting speed bug to 250 KTS during descend towards 10,000' with resulting track deviation.
| Attributes | |
| ACN | 122307 |
| Time | |
| Date | 198909 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mia |
| State Reference | FL |
| Altitude | msl bound lower : 16000 msl bound upper : 16000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : mia |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | cruise other descent other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : flight engineer pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 155 flight time total : 10650 flight time type : 1900 |
| ASRS Report | 122307 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | non adherence : clearance other spatial deviation |
| 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:
Clt-mia. Approach phase with miami approach about 25-30 NM southwest of honoe intersection on 'blufi four arrival'. Was transitioning from full FMC controled flight (including a/P coupler). We should have inbound biscayne bay 019 degree radial until receiving radar vectors from approach control. I mistakingly reached up and turned the heading select knob to 250 degree instead of turning the IAS bug from 300 KTS to 250 KTS. Almost as soon as we steadied up heading 250 degree the approach controller questioned our heading to which we responded with a turn back to 180 degree. As far as we knew, there were no conflicts with other traffic. Only afterthought was that where we turned at point further ssw on the arrival than we normally do. No excuse, just inattention to detail.
Original NASA ASRS Text
Title: ACR CAPT FLYING ADVANCED COCKPIT MLG MISTAKENLY TURNS HEADING BUG TO 250 DEGREES INSTEAD OF ADJUSTING SPEED BUG TO 250 KTS DURING DESCEND TOWARDS 10,000' WITH RESULTING TRACK DEVIATION.
Narrative: CLT-MIA. APCH PHASE WITH MIAMI APCH ABOUT 25-30 NM SW OF HONOE INTXN ON 'BLUFI FOUR ARRIVAL'. WAS TRANSITIONING FROM FULL FMC CTLED FLT (INCLUDING A/P COUPLER). WE SHOULD HAVE INBND BISCAYNE BAY 019 DEG RADIAL UNTIL RECEIVING RADAR VECTORS FROM APCH CTL. I MISTAKINGLY REACHED UP AND TURNED THE HDG SELECT KNOB TO 250 DEG INSTEAD OF TURNING THE IAS BUG FROM 300 KTS TO 250 KTS. ALMOST AS SOON AS WE STEADIED UP HDG 250 DEG THE APCH CTLR QUESTIONED OUR HDG TO WHICH WE RESPONDED WITH A TURN BACK TO 180 DEG. AS FAR AS WE KNEW, THERE WERE NO CONFLICTS WITH OTHER TFC. ONLY AFTERTHOUGHT WAS THAT WHERE WE TURNED AT POINT FURTHER SSW ON THE ARRIVAL THAN WE NORMALLY DO. NO EXCUSE, JUST INATTENTION TO DETAIL.
Data retrieved from NASA's ASRS site as of August 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.