Narrative:

The O2 system was normal during the departure station preflight. While enroute the cockpit crew determined the flight crew O2 bottle was empty. They requested descent from ATC and then received a clearance to divert to the nearest suitable airport after consulting with dispatch.

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Original NASA ASRS Text

Title: An MD-82 diverted to a nearby airport when they noted the flight crew oxygen pressure was zero.

Narrative: The O2 system was normal during the departure station preflight. While enroute the cockpit crew determined the flight crew O2 bottle was empty. They requested descent from ATC and then received a clearance to divert to the nearest suitable airport after consulting with Dispatch.

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.