Narrative:

While climbing through approximately 17;000 ft recognized hypoxia symptoms; donned oxygen masks and commenced descent and returned to departure airport for an uneventful landing. During the flight portion; inability of flight crew member to perform normal duties occurred as well as navigational and altitude deviations.

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Original NASA ASRS Text

Title: CV580 flight crew experiences hypoxia symptoms climbing through 17;000 FT; dons oxygen masks and returns to departure airport.

Narrative: While climbing through approximately 17;000 FT recognized hypoxia symptoms; donned oxygen masks and commenced descent and returned to departure airport for an uneventful landing. During the flight portion; inability of flight crew member to perform normal duties occurred as well as navigational and altitude deviations.

Data retrieved from NASA's ASRS site as of July 2013 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.