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An air carrier SF340 flight crew misreads a newly assigned SID and gets off track. The alert departure controller vectors them on course.
| Attributes | |
| ACN | 355950 |
| Time | |
| Date | 199612 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : jfk |
| State Reference | NY |
| Altitude | msl bound lower : 2500 msl bound upper : 2500 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 tower : yum |
| Operator | common carrier : air carrier |
| Make Model Name | SF 340B |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure other departure sid : sid |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : cfi pilot : instrument |
| Experience | flight time last 90 days : 120 flight time total : 6200 flight time type : 3900 |
| ASRS Report | 355950 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 5300 flight time type : 1100 |
| ASRS Report | 355949 |
| Events | |
| Anomaly | non adherence : published procedure non adherence : clearance non adherence : far other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On our taxi for takeoff we were given a different SID from what we had been previously cleared. After reviewing the SID during our taxi we misunderstood the procedure and inadvertently flew the SID, not as published. After discovering our mistake ATC gave us a vector to our filed route. Factors contributing to this error, was a change in clearance during a period of high cockpit workload during taxi.
Original NASA ASRS Text
Title: AN ACR SF340 FLC MISREADS A NEWLY ASSIGNED SID AND GETS OFF TRACK. THE ALERT DEP CTLR VECTORS THEM ON COURSE.
Narrative: ON OUR TAXI FOR TKOF WE WERE GIVEN A DIFFERENT SID FROM WHAT WE HAD BEEN PREVIOUSLY CLRED. AFTER REVIEWING THE SID DURING OUR TAXI WE MISUNDERSTOOD THE PROC AND INADVERTENTLY FLEW THE SID, NOT AS PUBLISHED. AFTER DISCOVERING OUR MISTAKE ATC GAVE US A VECTOR TO OUR FILED RTE. FACTORS CONTRIBUTING TO THIS ERROR, WAS A CHANGE IN CLRNC DURING A PERIOD OF HIGH COCKPIT WORKLOAD DURING TAXI.
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.