Narrative:

Aircraft X called airborne looking to pick up his flight plan. I gave him a code and received a track and proceeded to clear him. I then gave him the altimeter and thought nothing of it. My d-side and I then realized that he was actually below the minimum IFR altitude (mia) and that I had messed up. At this point he was crossing into an area of lower mias and I felt that the damage had already been done and that there was no need to climb the aircraft. This was a complete lack of focus on my part. I should have noticed this sooner and cleared him to a higher altitude when issuing the clearance. This is all my fault. I would like to point out that in my opinion; the lack of traffic and complexity played a part in this. We were chatting and just not engaged enough.focus on combining sectors more to keep work force engaged. I am not sure if anything could have been combined up or not in this instance. I am commonly watching a small number of aircraft and losing focus on the sector because I have way too much time on my hands between transmissions.

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Original NASA ASRS Text

Title: ZDV Controller reports of discovering an aircraft that he was working; was below the MIA.

Narrative: Aircraft X called airborne looking to pick up his flight plan. I gave him a code and received a track and proceeded to clear him. I then gave him the altimeter and thought nothing of it. My d-side and I then realized that he was actually below the Minimum IFR Altitude (MIA) and that I had messed up. At this point he was crossing into an area of lower MIAs and I felt that the damage had already been done and that there was no need to climb the aircraft. This was a complete lack of focus on my part. I should have noticed this sooner and cleared him to a higher altitude when issuing the clearance. This is all my fault. I would like to point out that in my opinion; the lack of traffic and complexity played a part in this. We were chatting and just not engaged enough.Focus on combining sectors more to keep work force engaged. I am not sure if anything could have been combined up or not in this instance. I am commonly watching a small number of aircraft and losing focus on the sector because I have way too much time on my hands between transmissions.

Data retrieved from NASA's ASRS site 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.