Narrative:

While on a visual approach; I set an altitude that we as a flight crew felt was proper for a final approach and continued to descend to that point. I failed to notice that the terrain north of the airport was higher than expected. While having the terrain in sight; I arrested my descent just then we received a terrain warning. I added power; stowed the spoilers and climbed to a better altitude; and I think this is when I received a momentary stick shaker. I don't exactly remember if or when I received it; but I think this is the most logical time that it would have happened.after correcting for altitude; we continued our approach to the airport and on descent; we now noticed that I did not have the distance to continue on a stabilized approach; so at this time we elected to stop our descent; climb and circle back to start our approach (now stabilized) to landing. I think that the initial root cause was the failure to notice that terrain below us was as high as it was; and then on stopping my descent I should have stowed my flight spoilers sooner and I would have had more speed for the rotation on the climb away from the terrain.at no time did we lose sight of the terrain; so I was surprised to have received the terrain warning. I could [have] followed the VOR approach - it would have given me a little better guidance on the approach for altitudes. I used the visual approach in the box and aimed directly to a 5 mile final. Also on the climb away from the terrain; I could have stowed the spoilers sooner so that the plane would have accelerated faster; and not receive the stick shaker.

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Original NASA ASRS Text

Title: Air carrier Captain reported receiving a terrain warning on a visual approach to DRO airport.

Narrative: While on a visual approach; I set an altitude that we as a flight crew felt was proper for a final approach and continued to descend to that point. I failed to notice that the terrain north of the airport was higher than expected. While having the terrain in sight; I arrested my descent just then we received a terrain warning. I added power; stowed the spoilers and climbed to a better altitude; and I think this is when I received a momentary stick shaker. I don't exactly remember if or when I received it; but I think this is the most logical time that it would have happened.After correcting for altitude; we continued our approach to the airport and on descent; we now noticed that I did not have the distance to continue on a stabilized approach; so at this time we elected to stop our descent; climb and circle back to start our approach (now stabilized) to landing. I think that the initial root cause was the failure to notice that terrain below us was as high as it was; and then on stopping my descent I should have stowed my flight spoilers sooner and I would have had more speed for the rotation on the climb away from the terrain.At no time did we lose sight of the terrain; so I was surprised to have received the terrain warning. I could [have] followed the VOR approach - it would have given me a little better guidance on the approach for altitudes. I used the visual approach in the box and aimed directly to a 5 mile final. Also on the climb away from the terrain; I could have stowed the spoilers sooner so that the plane would have accelerated faster; and not receive the stick shaker.

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.