Cargo aircraft flight crew fatigued and falling asleep in-flight.

Attributes
ACN	342450
Time
Date	199607
Day	Wed
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : zdv
State Reference	CO
Altitude	msl bound lower : 35000 msl bound upper : 35000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zdv tower : rdg
Operator	common carrier : air carrier
Make Model Name	B727 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : second officer
Qualification	pilot : flight engineer pilot : commercial pilot : atp pilot : instrument
Experience	flight time last 90 days : 75 flight time total : 2900 flight time type : 200
ASRS Report	342450
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : unable
Consequence	Other
Supplementary
Air Traffic Incident	other

Narrative:

Crew fatigue during extended trip during circadian low period. Attempt to schedule more realistic duty periods which accurately reflect delays expected by carrier. Captain and so noticed pronounced and continual nodding-off of first officer.

Original NASA ASRS Text

Title: CARGO ACFT FLC FATIGUED AND FALLING ASLEEP INFLT.

Narrative: CREW FATIGUE DURING EXTENDED TRIP DURING CIRCADIAN LOW PERIOD. ATTEMPT TO SCHEDULE MORE REALISTIC DUTY PERIODS WHICH ACCURATELY REFLECT DELAYS EXPECTED BY CARRIER. CAPT AND SO NOTICED PRONOUNCED AND CONTINUAL NODDING-OFF OF FO.

Data retrieved from NASA's ASRS site as of July 2007 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.