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B777 first officer reports calling in fatigued prior to the beginning of his fourth round trip for the month to london from the west coast.
| Attributes | |
| ACN | 769599 |
| Time | |
| Date | 200801 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Experience | flight time last 90 days : 200 flight time total : 10000 flight time type : 800 |
| ASRS Report | 769599 |
| Events | |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : anomaly accepted |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
I was scheduled to operate as a first officer from the west to london. This would have been the beginning of my fourth such round-trip within 13 days. When completed; that equals 8 united states coast-to-coast plus atlantic xings; 12 days work; nearly 88 flight hours and 48 time zones in 15 days! Following a restless and nearly sleepless night due to previously lost sleep and volatile rest patterns forced by my schedule; my alarm sounded today signaling my need to prepare for yet another sleep deprecating international flight. While I am technically 'legal' to fly; I am too tired and unsafe to drive let alone operate an airliner full of almost 300 people. Therefore; I notified my employer; I am temporarily unfit to fly due to chronic fatigue.
Original NASA ASRS Text
Title: B777 FO REPORTS CALLING IN FATIGUED PRIOR TO THE BEGINNING OF HIS FOURTH ROUND TRIP FOR THE MONTH TO LONDON FROM THE WEST COAST.
Narrative: I WAS SCHEDULED TO OPERATE AS A FO FROM THE WEST TO LONDON. THIS WOULD HAVE BEEN THE BEGINNING OF MY FOURTH SUCH ROUND-TRIP WITHIN 13 DAYS. WHEN COMPLETED; THAT EQUALS 8 UNITED STATES COAST-TO-COAST PLUS ATLANTIC XINGS; 12 DAYS WORK; NEARLY 88 FLT HRS AND 48 TIME ZONES IN 15 DAYS! FOLLOWING A RESTLESS AND NEARLY SLEEPLESS NIGHT DUE TO PREVIOUSLY LOST SLEEP AND VOLATILE REST PATTERNS FORCED BY MY SCHEDULE; MY ALARM SOUNDED TODAY SIGNALING MY NEED TO PREPARE FOR YET ANOTHER SLEEP DEPRECATING INTL FLT. WHILE I AM TECHNICALLY 'LEGAL' TO FLY; I AM TOO TIRED AND UNSAFE TO DRIVE LET ALONE OPERATE AN AIRLINER FULL OF ALMOST 300 PEOPLE. THEREFORE; I NOTIFIED MY EMPLOYER; I AM TEMPORARILY UNFIT TO FLY DUE TO CHRONIC FATIGUE.
Data retrieved from NASA's ASRS site as of May 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.