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Captain of an airbus 310 failed to recognize that they did not have sufficient distance with which to make a crossing restr due to a strong tailwind component, until it was too late for ATC to vector them off course to make the restr.
| Attributes | |
| ACN | 423377 |
| Time | |
| Date | 199812 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : gdm airport : bos |
| State Reference | MA |
| Altitude | msl bound lower : 11000 msl bound upper : 11300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | A310 |
| Navigation In Use | Other |
| Flight Phase | descent other |
| Route In Use | arrival other arrival star : star enroute airway : zbw |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : cfi pilot : flight engineer |
| Experience | flight time last 90 days : 120 flight time total : 12000 flight time type : 120 |
| ASRS Report | 423377 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 60 flight time total : 4000 flight time type : 800 |
| ASRS Report | 423730 |
| Events | |
| Anomaly | altitude deviation : crossing restriction not met |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : insufficient time |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While holding at gardner VOR and on the gardner 2 arrival into boston, ZBW instructed us to cross bronc intersection at 11000 ft. We were at FL190-FL200 and the controller asked us if we could make the restr and that if we couldn't then we could have a vector off the arrival. We said that we thought that we could make it. However, after turning toward the fix and starting down we encountered tailwinds of almost 100 KTS and informed the controller that we thought that we may not make the crossing restr at bronc. We were then given a vector off the arrival but were scolded by the controller for saying that we could make the restr. We actually would have made the crossing restr, but I think that due to the high tailwinds and our high ground speed we had little time to make the restr. I think that the controller should have given us a turn in the holding pattern to lose altitude before giving us the crossing restr since I am sure that the controller was aware of the strong winds out of the west. There would have then been no doubt about our making the crossing restr.
Original NASA ASRS Text
Title: CAPT OF AN AIRBUS 310 FAILED TO RECOGNIZE THAT THEY DID NOT HAVE SUFFICIENT DISTANCE WITH WHICH TO MAKE A XING RESTR DUE TO A STRONG TAILWIND COMPONENT, UNTIL IT WAS TOO LATE FOR ATC TO VECTOR THEM OFF COURSE TO MAKE THE RESTR.
Narrative: WHILE HOLDING AT GARDNER VOR AND ON THE GARDNER 2 ARR INTO BOSTON, ZBW INSTRUCTED US TO CROSS BRONC INTXN AT 11000 FT. WE WERE AT FL190-FL200 AND THE CTLR ASKED US IF WE COULD MAKE THE RESTR AND THAT IF WE COULDN'T THEN WE COULD HAVE A VECTOR OFF THE ARR. WE SAID THAT WE THOUGHT THAT WE COULD MAKE IT. HOWEVER, AFTER TURNING TOWARD THE FIX AND STARTING DOWN WE ENCOUNTERED TAILWINDS OF ALMOST 100 KTS AND INFORMED THE CTLR THAT WE THOUGHT THAT WE MAY NOT MAKE THE XING RESTR AT BRONC. WE WERE THEN GIVEN A VECTOR OFF THE ARR BUT WERE SCOLDED BY THE CTLR FOR SAYING THAT WE COULD MAKE THE RESTR. WE ACTUALLY WOULD HAVE MADE THE XING RESTR, BUT I THINK THAT DUE TO THE HIGH TAILWINDS AND OUR HIGH GND SPD WE HAD LITTLE TIME TO MAKE THE RESTR. I THINK THAT THE CTLR SHOULD HAVE GIVEN US A TURN IN THE HOLDING PATTERN TO LOSE ALT BEFORE GIVING US THE XING RESTR SINCE I AM SURE THAT THE CTLR WAS AWARE OF THE STRONG WINDS OUT OF THE W. THERE WOULD HAVE THEN BEEN NO DOUBT ABOUT OUR MAKING THE XING RESTR.
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.