<< >> NASA ASRS Report 704000, July 2006

B737-300 pilot reports extreme fatigue resulting from repeated back side of the clock scheduling practices and disruptive sleep facilities on layovers.

Attributes
ACN	704000
Time
Date	200607
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : cyyc.airport
State Reference	AB
Altitude	msl single value : 31000
Aircraft 1
Controlling Facilities	artcc : czeg.artcc
Operator	common carrier : air carrier
Make Model Name	B737-300
Operating Under FAR Part	Part 121
Flight Phase	cruise : level
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Experience	flight time last 90 days : 250 flight time total : 11000 flight time type : 3000
ASRS Report	704000
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Events
Anomaly	non adherence : company policies other anomaly other
Independent Detector	other flight crewa other flight crewb
Resolutory Action	none taken : anomaly accepted
Consequence	Other
Supplementary
Problem Areas	FAA Flight Crew Human Performance Company
Primary Problem	Flight Crew Human Performance

Narrative:

During climb out from cyyc; I realized just how fatigued I was. I had turned on the autoplt passing about FL250 and rubbed my eyes for a moment only to want to close them and go to sleep! The urge was tremendous! We have been operating on the 'back side of the clock' these last couple of days and problems with the hotel room last night only compounded the 'sleep deprivation.' we continued on to an uneventful landing in den rather than turning around and landing in cyyc. I have taken about a 1-1/2 hour nap here in den and feel much better; but still not 'right.' before I take this next leg; I will feel better or remove myself from this trip. My copilot and I discussed how tired we both were en route den from cyyc and exercised extreme caution the entire way. We decided that we were not going to repeat that kind of tension just to get to destination!

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Original NASA ASRS Text

Title: B737-300 PLT RPTS EXTREME FATIGUE RESULTING FROM REPEATED BACK SIDE OF THE CLOCK SCHEDULING PRACTICES AND DISRUPTIVE SLEEP FACILITIES ON LAYOVERS.

Narrative: DURING CLBOUT FROM CYYC; I REALIZED JUST HOW FATIGUED I WAS. I HAD TURNED ON THE AUTOPLT PASSING ABOUT FL250 AND RUBBED MY EYES FOR A MOMENT ONLY TO WANT TO CLOSE THEM AND GO TO SLEEP! THE URGE WAS TREMENDOUS! WE HAVE BEEN OPERATING ON THE 'BACK SIDE OF THE CLOCK' THESE LAST COUPLE OF DAYS AND PROBS WITH THE HOTEL ROOM LAST NIGHT ONLY COMPOUNDED THE 'SLEEP DEPRIVATION.' WE CONTINUED ON TO AN UNEVENTFUL LNDG IN DEN RATHER THAN TURNING AROUND AND LNDG IN CYYC. I HAVE TAKEN ABOUT A 1-1/2 HR NAP HERE IN DEN AND FEEL MUCH BETTER; BUT STILL NOT 'RIGHT.' BEFORE I TAKE THIS NEXT LEG; I WILL FEEL BETTER OR REMOVE MYSELF FROM THIS TRIP. MY COPLT AND I DISCUSSED HOW TIRED WE BOTH WERE ENRTE DEN FROM CYYC AND EXERCISED EXTREME CAUTION THE ENTIRE WAY. WE DECIDED THAT WE WERE NOT GOING TO REPEAT THAT KIND OF TENSION JUST TO GET TO DEST!

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.