Narrative:

First officer was armed and 2 fams were boarded. Neither the cabin crew nor the flight deck were aware of their presence until 1/2 way to our destination. The problem was caused by a full flight and understaffing at the gate.

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Original NASA ASRS Text

Title: Flight crew; including FFDO; was not informed of presence of two FAMs on a domestic B767 flight.

Narrative: First Officer was armed and 2 FAMs were boarded. Neither the cabin crew nor the flight deck were aware of their presence until 1/2 way to our destination. The problem was caused by a full flight and understaffing at the gate.

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.