Narrative:

My student and I were cleared for the ILS 16R at pae. We had been vectored to the localizer and intercepted fifteen to twenty miles from jugba; the final approach fix. As we neared jugba; the G1000 traffic information system (tis) depicted a target less than two miles behind us and +300 ft; paralleling. I contacted ZSE and requested confirmation of a target behind us; which he did; giving us bearing and altitude and switching us to paine tower once I was able to get visual contact with what appeared to be a low-wing experimental. We maintained visual contact. The aircraft appeared to have us in sight and proceeded to overtake on the left in the descent to paine runway 16R. As we switched to tower; they were communicating with the aircraft; and then informed us that they were passing to our left with a greater than sixty knot overtake speed. While the traffic was alerted to our presence by tower; and was able to get visual contact (though not before approaching within a mile); the pilot appeared to be operating carelessly and recklessly by essentially performing an ILS approach at nearly 160 KTS; in visual conditions; without communicating with the controlling agency. Had the G1000 not informed us of the traffic; we never would have known he was there. VFR traffic constantly operates across the pae localizer at glideslope intercept (3;000 ft MSL) without apparent realization of the IFR activity in the area; of which there is an enormous amount. Instructors performing flight reviews in the vicinity of awo; S43; pae; and other nearby; busy airports; should be emphasizing the danger of VFR operations at IFR altitudes. Paine is an airport which experiences intense IFR training traffic; and the number of traffic conflicts has increased in my nearly 3 years of instructing in the area.

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Original NASA ASRS Text

Title: An instructor pilot reported that another aircraft overtook and passed his aircraft while on an ILS approach to PAE Runway 16R. The reporter identified the aircraft on his Traffic Information System before ATC notified him about a conflict.

Narrative: My student and I were cleared for the ILS 16R at PAE. We had been vectored to the localizer and intercepted fifteen to twenty miles from JUGBA; the final approach fix. As we neared JUGBA; the G1000 Traffic Information System (TIS) depicted a target less than two miles behind us and +300 FT; paralleling. I contacted ZSE and requested confirmation of a target behind us; which he did; giving us bearing and altitude and switching us to Paine Tower once I was able to get visual contact with what appeared to be a low-wing experimental. We maintained visual contact. The aircraft appeared to have us in sight and proceeded to overtake on the left in the descent to Paine Runway 16R. As we switched to Tower; they were communicating with the aircraft; and then informed us that they were passing to our left with a greater than sixty knot overtake speed. While the traffic was alerted to our presence by Tower; and was able to get visual contact (though not before approaching within a mile); the pilot appeared to be operating carelessly and recklessly by essentially performing an ILS approach at nearly 160 KTS; in visual conditions; without communicating with the controlling agency. Had the G1000 not informed us of the traffic; we never would have known he was there. VFR traffic constantly operates across the PAE localizer at glideslope intercept (3;000 FT MSL) without apparent realization of the IFR activity in the area; of which there is an enormous amount. Instructors performing Flight Reviews in the vicinity of AWO; S43; PAE; and other nearby; busy airports; should be emphasizing the danger of VFR operations at IFR altitudes. Paine is an airport which experiences intense IFR training traffic; and the number of traffic conflicts has increased in my nearly 3 years of instructing in the area.

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.