Narrative:

I was training a developmental who is lower in training hours but generally doing well. Traffic this session had been busier than usual. I was working on following his scan and keeping up with his actions along with all the pilot requests. Aircraft X had departed and been given our standard missed approach climb-out instructions to fly a heading and maintain 4000 feet. Due to other traffic to the west the trainee turned aircraft X to the east; heading 070; where his path would approach a 4400 foot minimum vectoring altitude (MVA) in about 10 miles. We got caught up in working other aircraft before turning aircraft X south to avoid the 4400 foot MVA. The trainee issued a climb to 5000 feet as aircraft X was about 2 miles from the 4400 foot boundary at 4000 feet. I instructed the trainee to tell aircraft X to expedite the climb. I believe aircraft X reached 044 in that MVA approximately 2 miles northwest of the depicted obstacle.perhaps change our local standard operating procedure to change our standard climb-out to maintain 5000 feet; as this would ensure safety whether we turn aircraft to the east or west. Ask for a hand off assist or other eyes to help maintain a bigger scan. Work myself to not get caught simply following the trainee's scan along with his instructions.

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Original NASA ASRS Text

Title: EUG TRACON Trainee Controller left an aircraft on a vector too long and it flew into airspace below the MVA.

Narrative: I was training a developmental who is lower in training hours but generally doing well. Traffic this session had been busier than usual. I was working on following his scan and keeping up with his actions along with all the pilot requests. Aircraft X had departed and been given our standard missed approach climb-out instructions to fly a heading and maintain 4000 feet. Due to other traffic to the west the trainee turned Aircraft X to the east; heading 070; where his path would approach a 4400 foot Minimum Vectoring Altitude (MVA) in about 10 miles. We got caught up in working other aircraft before turning Aircraft X south to avoid the 4400 foot MVA. The trainee issued a climb to 5000 feet as Aircraft X was about 2 miles from the 4400 foot boundary at 4000 feet. I instructed the trainee to tell Aircraft X to expedite the climb. I believe Aircraft X reached 044 in that MVA approximately 2 miles northwest of the depicted obstacle.Perhaps change our local Standard Operating Procedure to change our standard climb-out to maintain 5000 feet; as this would ensure safety whether we turn aircraft to the east or west. Ask for a hand off assist or other eyes to help maintain a bigger scan. Work myself to not get caught simply following the trainee's scan along with his instructions.

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.