Narrative:

[I] fell asleep during descent phase of flight; subsequently missing radio calls/instructions from controlling ATC facility. I had been on duty for a total of 19 hours 59 minutes. I must be aware of and adhere to governing/established protected rest times.

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Original NASA ASRS Text

Title: A B767-200 First Officer reported falling asleep during descent and missing radio calls and clearances from ATC. Reporter stated he had been continuously on duty for 19:59.

Narrative: [I] fell asleep during descent phase of flight; subsequently missing radio calls/instructions from controlling ATC facility. I had been on duty for a total of 19 hours 59 minutes. I must be aware of and adhere to governing/established protected rest times.

Data retrieved from NASA's ASRS site as of April 2012 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.