Narrative:

On the RNAV rnp Z runway 05 approach in visual conditions; sea center advised two targets maneuvering around the dsd VOR. One aircraft was no factor and clear; the other aircraft he said would present an issue. Neither [aircraft] seemed to be talking on the frequency. As we kept descending on the approach; near wonek which is near the dsd VOR; we got the TCAS RA commanding a climb to avoid traffic off the left; maneuvering. After clear of conflict; we reestablished on the glide path outside the FAF; and landed in visual conditions.rdm is getting more chaotic with the increased flight training and air carrier operations. A note on the airport information chart would be appreciated about flight training. Also; maybe an outreach to the flight school advising them that if rdm is landing 05 and 29; be vigilant and be required to monitor sea center (128.15) if maneuvering near the dsd VOR.

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Original NASA ASRS Text

Title: Air carrier Captain reported receiving an RA on arrival into RDM from light plane traffic in the vicinity of the DSD VOR.

Narrative: On the RNAV RNP Z RWY 05 Approach in visual conditions; SEA Center advised two targets maneuvering around the DSD VOR. One aircraft was no factor and clear; the other aircraft he said would present an issue. Neither [aircraft] seemed to be talking on the frequency. As we kept descending on the approach; near WONEK which is near the DSD VOR; we got the TCAS RA commanding a climb to avoid traffic off the left; maneuvering. After clear of conflict; we reestablished on the glide path outside the FAF; and landed in visual conditions.RDM is getting more chaotic with the increased flight training and air carrier operations. A note on the airport information chart would be appreciated about flight training. Also; maybe an outreach to the flight school advising them that if RDM is landing 05 and 29; be vigilant and be required to monitor SEA Center (128.15) if maneuvering near the DSD VOR.

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.