Narrative:

I was called by crew scheduling that another crossing flight was added to my line. The flight was supposed to be flight from anc-hkg. I advised the crew scheduler that I have already had 8 xings of the pacific ocean in the last 14 days. Once during this period; I exceeded 20 hours block in 48 hours. All of the rest periods were 15-18 hours with exception of a 24 hour layover. The crew scheduler said the trip was legal per FARS and contract. I advised her I agreed with that but there was no consideration for circadian rhythm. In 18 yrs of part 121 airlines operations; I have never been pushed/forced to such limits (fear of losing the job). On my last 2 xings; there were 2 times where I spent 15 mins trying to make 1 plot. Both times I thought I was 5 degrees off course; until I realized I was on course all along. Fatigue was at its maximum. After being assigned the abovementioned trip; I tried to get a good night's rest; unable to do so and 5 hours prior to show; I had to call in fatigued for this assignment. To provide between 9-18 hours rest between international flts is an accident waiting to happen. This is the first report I have ever filed. Thankfully there were no incidents or violations that I am aware of but then again the fatigue was so bad I could be mistaken.

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Original NASA ASRS Text

Title: MD11 PLT IS CONCERNED WITH THE COMPANY SCHEDULE AND FATIGUE ASSOCIATED WITH LONG HAUL FLTS ACROSS THE PACIFIC.

Narrative: I WAS CALLED BY CREW SCHEDULING THAT ANOTHER XING FLT WAS ADDED TO MY LINE. THE FLT WAS SUPPOSED TO BE FLT FROM ANC-HKG. I ADVISED THE CREW SCHEDULER THAT I HAVE ALREADY HAD 8 XINGS OF THE PACIFIC OCEAN IN THE LAST 14 DAYS. ONCE DURING THIS PERIOD; I EXCEEDED 20 HRS BLOCK IN 48 HRS. ALL OF THE REST PERIODS WERE 15-18 HRS WITH EXCEPTION OF A 24 HR LAYOVER. THE CREW SCHEDULER SAID THE TRIP WAS LEGAL PER FARS AND CONTRACT. I ADVISED HER I AGREED WITH THAT BUT THERE WAS NO CONSIDERATION FOR CIRCADIAN RHYTHM. IN 18 YRS OF PART 121 AIRLINES OPS; I HAVE NEVER BEEN PUSHED/FORCED TO SUCH LIMITS (FEAR OF LOSING THE JOB). ON MY LAST 2 XINGS; THERE WERE 2 TIMES WHERE I SPENT 15 MINS TRYING TO MAKE 1 PLOT. BOTH TIMES I THOUGHT I WAS 5 DEGS OFF COURSE; UNTIL I REALIZED I WAS ON COURSE ALL ALONG. FATIGUE WAS AT ITS MAX. AFTER BEING ASSIGNED THE ABOVEMENTIONED TRIP; I TRIED TO GET A GOOD NIGHT'S REST; UNABLE TO DO SO AND 5 HRS PRIOR TO SHOW; I HAD TO CALL IN FATIGUED FOR THIS ASSIGNMENT. TO PROVIDE BTWN 9-18 HRS REST BTWN INTL FLTS IS AN ACCIDENT WAITING TO HAPPEN. THIS IS THE FIRST RPT I HAVE EVER FILED. THANKFULLY THERE WERE NO INCIDENTS OR VIOLATIONS THAT I AM AWARE OF BUT THEN AGAIN THE FATIGUE WAS SO BAD I COULD BE MISTAKEN.

Data retrieved from NASA's ASRS site as of January 2009 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.