LGT ACR FLC INCORRECTLY PROGRAMS STAR RTE INTO FMS AND ARE UNABLE TO COMPLY WITH STAR ALT RESTRS. ATC QUERIES FLC 3 TIMES BEFORE FLC RECOGNIZING AN INCORRECT XING RESTR HAS BEEN ENTERED.

Date: 1999-01 · Aircraft: Commercial Fixed Wing

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

Synopsis

LGT ACR FLC INCORRECTLY PROGRAMS STAR RTE INTO FMS AND ARE UNABLE TO COMPLY WITH STAR ALT RESTRS. ATC QUERIES FLC 3 TIMES BEFORE FLC RECOGNIZING AN INCORRECT XING RESTR HAS BEEN ENTERED.

Narrative

CLRED BY ATC TO DSND TO 18000 FT; THEN RECLRED TO CROSS SWEET INTXN AT 7000 FT -- RTE COMPUTER PROGRAMMED TO COMPLY WITH CLRNC. DSCNT PROFILE REVIEWED IN COMPUTER; HOWEVER MISSED WRONG ALT PRE-PROGRAMMED IN PROFILE PRIOR TO DEP; RESULTING IN LATE DSCNT AND ACFT NOT BEING ABLE TO COMPLY WITH ATC CLRNC AND XING RESTR. ADVISED ATC THAT WE WOULD BE UNABLE TO MAKE XING ALT ONCE ERROR IN PROGRAM WAS REALIZED. ASKED ATC IF THIS CAUSED ANY PROBS AND WAS ADVISED; THAT IT DID NOT CAUSE ANY CONFLICT. (NOTE: ATC ON 3 OCCASIONS INQUIRED IF WE WOULD MAKE XING RESTR AND IT WAS NOT UNTIL THE THIRD INQUIRY THAT I REALIZED WHAT THE PROB WAS. THE CTLR WAS DOING A GOOD JOB; I WAS NOT RESPONDING TO HIS PROMPTING.) AFTER ALL THE TIMES THAT I HAVE FLOWN THIS STAR AND HAVE ALWAYS COMPLIED WITH ALL XING RESTRS; AND WITH ALL MY FLYING EXPERIENCE; I WAS PERSONALLY SHOCKED TO REALIZE THAT I COULD HAVE MADE SUCH A BASIC ERROR. THE COMPANY HAS AN EXCELLENT TRAINING PROGRAM; AND IS CONSTANTLY REVIEWING AND REFINING PROCS WITH REGARD TO ADVANCED AUTOMATED COCKPIT ENVIRONMENT AND IS A LEADER IN CRM. 'SITUATIONAL AWARENESS' IS A MUCH USED PHRASE IN OUR INDUSTRY; BUT CAN NEVER BE USED TOO OFTEN. WITH THE EVER INCREASING WORKLOAD ON THE ATC SYS AND THE ADVANCED AUTOMATED COCKPIT ENVIRONMENT; WE MUST ALL CONSTANTLY REVIEW AND CHALLENGE WHAT IS GOING ON AROUND US.

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