B777 CREW DID NOT COMPLY WITH ALT XING RESTR.

Date: 1999-10 · Aircraft: B777-200 · Phase: descent

Anomalies: deviation-altitude-undershoot|deviation-altitude-crossing-restriction-not-met|deviation-discrepancy-procedural-other-unknown|deviation-discrepancy-procedural-published-material-policy|deviation-discrepancy-procedural-far|deviation-discrepancy-procedural-clearance

Synopsis

B777 CREW DID NOT COMPLY WITH ALT XING RESTR.

Narrative

ZNY GAVE US A FREQ CHANGE. AT THE SAME TIME A FLT ATTENDANT CAME INTO THE COCKPIT; EXPRESSING HER DISAPPROVAL ABOUT A PREVIOUSLY DISCUSSED ITEM. BEFORE I WAS ABLE TO ADDRESS HER; SHE LEFT IN A HUFF; IMPLYING THAT I HAD TAKEN TOO LONG. MY COPLT AND I STARTED TO DISCUSS THIS SIT; THEN WE GOT ANOTHER FREQ CHANGE. THIS CTLR TOOK EXCEPTION TO MY OMISSION OF OUR CALL SIGN; WHEN HE ADDED A SPD RESTR. MY COPLT TOLD ME HE HAD A PREVIOUS CONFLICT WITH THIS CTLR THE WK BEFORE. THE CTLR ADVISED ME THAT HE DIDN'T HAVE 'CALLER IDENT' AND THEN WE WERE GIVEN A CLRNC TO CROSS LRP VOR AT 16000 FT. I CHANGED THE ALT ON THE MCP; AND ALSO PUT THE RESTR IN THE FMC. I THOUGHT THE COPLT ACKNOWLEDGED THIS CLRNC. I WAS NOW PREOCCUPIED WITH THE 2 CONFLICT ISSUES WHEN THE CTLR ASKED IF WE WERE GOING TO MAKE OUR LRP RESTR. WE WERE 3 MI FROM LRP. I TOLD HIM I THOUGHT SO; AND THE COPLT STARTED DOWN AS FAST AS HE COULD. WE CROSSED LRP ABOUT 17500 FT; AND I WAS GIVEN A PHONE NUMBER TO CONTACT ZNY AFTER LNDG. WE WERE AT THE END OF A 9 HR FLT FROM EUROPE. WE WERE BOTH TIRED; AND THE 3RD PLT WAS OUT OF THE COCKPIT. THE COPLT TOLD ME HE WAS NOT AWARE OF OUR DSCNT CLRNC UNTIL THE CTLR QUERIED US. I ENTERED THE ALTS; BUT CANNOT REMEMBER IF HE VERIFIED THEM. MY MIND WAS PREOCCUPIED WITH THE CONFLICT ISSUES. I HAD FORGOTTEN ABOUT THE RESTR; AND MY COPLT WAS NOT AWARE OF IT; OR HAD FORGOTTEN AS WELL. FATIGUE; CONFLICT; AND AUTOMATION ARE ALL CONTRIBUTORS TO MISSING THIS CLRNC. SUPPLEMENTAL INFO FROM ACN 452439: WE CHKED ON ZNY LEVEL AT FL370. THE CTLR GAVE US A CLRNC TO FL200. THE CAPT READ BACK THE CLRNC; AND THE CTLR VERIFIED WE HAD CLRNC AND THE CAPT FAILED TO SAY OUR CALL SIGN ON THE SECOND CLRNC. THE CTLR THEN SAID HE DID NOT HAVE CALLER IDENT AND THE CAPT THEN HAD A TONE IN HIS VOICE OF DISGUST AS WELL AS THE CTLR. THE COCKPIT CREW WAS IN THE MIDDLE OF CHANGING CREW MEMBERS AS WELL AS THE PURSER IN THE COCKPIT WITH A PROB IN THE CABIN. I WAS FLYING NOW AND THE CTLR GAVE US ANOTHER CLRNC; TO CROSS LANCASTER AT 17000 FT. THE CAPT READ BACK THE CLRNC AND WE BOTH SET THE ALT FOR LANCASTER. I WAS THINKING OF LAST WK WHEN THIS SAME CTLR AND ANOTHER FLT WERE INTO ALMOST AN ARGUMENT OVER ANOTHER CLRNC AND HOW IT HAPPENED TO US THIS WK. I ALSO WAS THINKING ABOUT HOW OVERWORKED OR STRESSED OUT THE CTLR MUST BE. ABOUT THE TIME THE CAPT CHANGED THE ALT SETTING AND WE GOT A BAROMETER DISAGREE ON EICAS WELL THAT BROUGHT ME BACK FROM MY DAYDREAM AND WONDERED WHY HE CHANGED IT WHEN WE WERE STILL AT FL200. WELL HE SAW LANCASTER COMING UP ON THE MAP AND JUST ASSUMED (I GUESS) THAT WE WERE GOING TO BE AT 17000 FT. JUST ABOUT THAT TIME THE CTLR ASKED IF WE WERE GOING TO MAKE THE XING. WELL WE DID NOT MAKE IT AND WE PHONED A SUPVR LATER ON THIS ISSUE. WE ALL BRIEFED THE MISSED ALT AND I CAME AWAY WITH THESE CONTRIBUTING FACTORS: 1) CREW REST -- I HAD BEEN UP SINCE XA00 EST AND HAD 3RD BREAK; IN THE CABIN. I GOT NO SLEEP DUE TO THE FACT THE FLT ATTENDANTS WERE SERVING SECOND SERVICE. 2) FLC AND CTLR INTERFACE WAS INADEQUATE AND UNPROFESSIONAL WHICH DISTRACTED ME FROM FLYING 'FIRST.' 3) FLC FROM NOT DOING SOP'S AND BACKING EACH OTHER UP. 4) MOSTLY FOR ME; IT IS A MATTER OF FATIGUE AND NOT FOCUSING ON MY JOB. I WAS ENTIRELY TOO TIRED TO BE THERE. I THINK WE ARE FLYING TOO MANY TIME ZONES IN MONTH; NOT TO COUNT UP TO 5 ATLANTIC XINGS IN 1 MONTH. ALL THIS CONSIDERED IT IS STILL MY RESPONSIBILITY FOR THE DEV. SUPPLEMENTAL INFO FROM ACN 451938: I WAS RETURNING TO THE COCKPIT AFTER TAKING A BATHROOM BREAK. COPLT WAS FLYING; CAPT WAS PNF. THE ACFT WAS DSNDING VERY RAPIDLY; AIRSPD 320 KTS; SPD BRAKES FULLY EXTENDED. 16000 FT WAS SET IN ALT WINDOW. WE WERE GOING THROUGH APPROX 18000 FT. ZNY SAID '...SAY ALT.' I NOTICED THAT WE HAD JUST PASSED LRP. CAPT STATED THE ALT WHICH WAS NOT 16000 FT. THEN ZNY READ OUT A PHONE NUMBER FOR US TO COPY. ACCORDING TO THE CAPT AND COPLT; EARLIER CTR GAVE HEADING INSTRUCTIONS FOR US AND CAPT RESPONDED WITHOUT OUR IDENT. CTR SAID 'I DON'T HAVE CALLER IDENT; USEPROPER PHRASEOLOGY.' THIS CONFLICT CAUSED BOTH PLTS TO BE DISTRACTED. THEN THE XING RESTR AT LRP WAS GIVEN. CAPT RESPONDED; 'SET 16000 FT IN WINDOW; AND TYPED IT INTO THE FMC.' SOP REQUIRES THE PF TO POINT TO THE NEW ALT. EVIDENTLY THE COPLT WAS STILL LOOKING OUT HIS WINDOW DISTRACTED BY THE CTLR'S ATTITUDE AND DID NOT HEAR OR SEE ANY CHANGE OR INSTRUCTIONS. THE CAPT THOUGHT THE COPLT WOULD COMPLY WITH THE RESTR SO NEVER SAID ANYTHING UNTIL TOO LATE. BOTH PLTS WERE FATIGUED AFTER A 9 HR FLT FROM MUC; BOTH DISTRACTED BY CTLR; SOP'S WEREN'T FOLLOWED.

More incidents for this aircraft family →

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.