Narrative:

The situation resulted in another aircraft coming within 200-300 ft of mine. I was acting as PIC of a C172 on an instrument training flight. We were on an IFR flight plan, had finished flying an NDB approach to a missed approach at mmv and were beginning an ILS to mmv. We had been cleared for the approach and told to report minne intersection inbound. When we did so, approach control approved a change to advisory frequency and told us to report back to them on the missed. On the previous NDB approach, we had not heard or seen any other traffic at mmv. Once we had changed frequencys, I told the student that I had the radios and made an initial call 'mcminnville traffic, cessna X is on a 4 mi final to runway 22 on an instrument approach to a low pass only, mcminnville.' I heard no other traffic report. At 3 mi out, I made another call. I subsequently heard 2 consecutive aircraft give position reports. The first was on base turning to final and the second was upwind turning crosswind. I was able to find them both and neither of them were a conflict. At 2 mi out, I made another call. Immediately after that call, a fourth aircraft made a call 'what about me?' I began to look for an additional aircraft. The aircraft that had reported base turning final, landed and cleared the runway. At 1 mi out, I made another call. Following this call, I heard a call 'aircraft X, are you going to run into me?' at this point, I had the student level off at 700 ft and focused my entire attention to scanning for the traffic and was finally able to detect the other aircraft at our 10 O'clock position at approximately the same altitude as us on a left base leg. I made a call 'I have you in sight now.' he made a return call 'I'm comforted.' his call seemed to be in a sarcastic tone. Simultaneous to his radio call, his aircraft turned left to a straight line dogleg final to the runway. At this point, he had moved to our 9 O'clock position. When we were at 1/2 mi out, he dropped to our 8 O'clock position and descended. At that point, he turned right back to base and then left onto a straight-in final behind us. At this point, I lost sight of him. We reached our missed approach point, executed and reported the missed on mcminnville traffic. He then made a radio call 'aircraft X was it? I think I'll give mr X a phone call about you.' I switched back to portland departure to report the missed approach to them as instructed. We continued the flight with a final approach into hillsboro to a full stop. At no point while we were on advisory frequency did the conflicting aircraft, which appeared to be a C150, give a position report or identify his tail number. For clarity, mr X is the name of the owner for which I am employed.

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Original NASA ASRS Text

Title: NMAC BTWN A TRAINING C172 AND A C150 ON SHORT FINAL AT MMV, OR.

Narrative: THE SIT RESULTED IN ANOTHER ACFT COMING WITHIN 200-300 FT OF MINE. I WAS ACTING AS PIC OF A C172 ON AN INST TRAINING FLT. WE WERE ON AN IFR FLT PLAN, HAD FINISHED FLYING AN NDB APCH TO A MISSED APCH AT MMV AND WERE BEGINNING AN ILS TO MMV. WE HAD BEEN CLRED FOR THE APCH AND TOLD TO RPT MINNE INTXN INBOUND. WHEN WE DID SO, APCH CTL APPROVED A CHANGE TO ADVISORY FREQ AND TOLD US TO RPT BACK TO THEM ON THE MISSED. ON THE PREVIOUS NDB APCH, WE HAD NOT HEARD OR SEEN ANY OTHER TFC AT MMV. ONCE WE HAD CHANGED FREQS, I TOLD THE STUDENT THAT I HAD THE RADIOS AND MADE AN INITIAL CALL 'MCMINNVILLE TFC, CESSNA X IS ON A 4 MI FINAL TO RWY 22 ON AN INST APCH TO A LOW PASS ONLY, MCMINNVILLE.' I HEARD NO OTHER TFC RPT. AT 3 MI OUT, I MADE ANOTHER CALL. I SUBSEQUENTLY HEARD 2 CONSECUTIVE ACFT GIVE POS RPTS. THE FIRST WAS ON BASE TURNING TO FINAL AND THE SECOND WAS UPWIND TURNING XWIND. I WAS ABLE TO FIND THEM BOTH AND NEITHER OF THEM WERE A CONFLICT. AT 2 MI OUT, I MADE ANOTHER CALL. IMMEDIATELY AFTER THAT CALL, A FOURTH ACFT MADE A CALL 'WHAT ABOUT ME?' I BEGAN TO LOOK FOR AN ADDITIONAL ACFT. THE ACFT THAT HAD RPTED BASE TURNING FINAL, LANDED AND CLRED THE RWY. AT 1 MI OUT, I MADE ANOTHER CALL. FOLLOWING THIS CALL, I HEARD A CALL 'ACFT X, ARE YOU GOING TO RUN INTO ME?' AT THIS POINT, I HAD THE STUDENT LEVEL OFF AT 700 FT AND FOCUSED MY ENTIRE ATTN TO SCANNING FOR THE TFC AND WAS FINALLY ABLE TO DETECT THE OTHER ACFT AT OUR 10 O'CLOCK POS AT APPROX THE SAME ALT AS US ON A L BASE LEG. I MADE A CALL 'I HAVE YOU IN SIGHT NOW.' HE MADE A RETURN CALL 'I'M COMFORTED.' HIS CALL SEEMED TO BE IN A SARCASTIC TONE. SIMULTANEOUS TO HIS RADIO CALL, HIS ACFT TURNED L TO A STRAIGHT LINE DOGLEG FINAL TO THE RWY. AT THIS POINT, HE HAD MOVED TO OUR 9 O'CLOCK POS. WHEN WE WERE AT 1/2 MI OUT, HE DROPPED TO OUR 8 O'CLOCK POS AND DSNDED. AT THAT POINT, HE TURNED R BACK TO BASE AND THEN L ONTO A STRAIGHT-IN FINAL BEHIND US. AT THIS POINT, I LOST SIGHT OF HIM. WE REACHED OUR MISSED APCH POINT, EXECUTED AND RPTED THE MISSED ON MCMINNVILLE TFC. HE THEN MADE A RADIO CALL 'ACFT X WAS IT? I THINK I'LL GIVE MR X A PHONE CALL ABOUT YOU.' I SWITCHED BACK TO PORTLAND DEP TO RPT THE MISSED APCH TO THEM AS INSTRUCTED. WE CONTINUED THE FLT WITH A FINAL APCH INTO HILLSBORO TO A FULL STOP. AT NO POINT WHILE WE WERE ON ADVISORY FREQ DID THE CONFLICTING ACFT, WHICH APPEARED TO BE A C150, GIVE A POS RPT OR IDENT HIS TAIL NUMBER. FOR CLARITY, MR X IS THE NAME OF THE OWNER FOR WHICH I AM EMPLOYED.

Data retrieved from NASA's ASRS site as of July 2007 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.