Narrative:

We were approaching the field from the nne to overfly north to south for a wind check before entering the traffic pattern at lampson field. One other aircraft had checked in a bonanza reporting 10 mi north inbound for 45 degree entry to right downwind on runway 28, approximately 2-3 mins prior. As we reached overhead (2900 ft MSL), we heard the bonanza report 'entering the 45.' as my student began a turn back to the north to set up for our entry to the pattern, I queried the bonanza for altitude. The response was, 'what does it matter to you?' I foolishly declined to answer the question. We saw the bonanza as we continued the turn. He was on the downwind at what appeared to be pattern altitude, 500 ft below us. We cleared the pattern to the north, descended to pattern altitude, and entered on the 45-to-downwind for right traffic runway 28. My student was handling the radios at this point, and both he and the bonanza were making standard reports. We entered the downwind as the bonanza rolled final. The bonanza landed and stopped approximately midfield, and stated his intent to make a 180 degree turn, and exit the runway at the nearest taxiway. At this point, we came abeam the approach-end numbers, and my student retarded the power for descent, and continued for perhaps 3/4 mi before turning base. As we rolled level on base, I could see the bonanza back taxiing, and almost to the intersection. I considered the bonanza to be no factor. My student turned final a bit too early and undershot the runway centerline, resulting in what looked to be an oblique-to-final. As he did this, a voice on the radio said, 'that's a pretty unusual base there cessna, you want to go around?' I looked up to see the v-tail bonanza stopped, waiting on the runway at the intersection. Too stunned to react, I allowed us to continue to short final, as the bonanza sat there. My student made no evasive action. On short final, I commanded a go around, which my student executed. As we overflew the runway, I lost sight of the bonanza, but picked him up again, taxiing to parking, as we leveled on the downwind. After we had landed and were clear of the runway, I asked my student why he had continued on the approach even after the bonanza pilot had made clear his intent to remain on the runway. My student (a post-solo student pilot) replied that, until a short while after I commanded the go around, he was unaware that the bonanza was there.

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Original NASA ASRS Text

Title: A C172 CFI RPTED AN ENCOUNTER AT 102 WITH AN AGGRESSIVE BEECH PLT.

Narrative: WE WERE APCHING THE FIELD FROM THE NNE TO OVERFLY N TO S FOR A WIND CHK BEFORE ENTERING THE TFC PATTERN AT LAMPSON FIELD. ONE OTHER ACFT HAD CHKED IN A BONANZA RPTING 10 MI N INBOUND FOR 45 DEG ENTRY TO R DOWNWIND ON RWY 28, APPROX 2-3 MINS PRIOR. AS WE REACHED OVERHEAD (2900 FT MSL), WE HEARD THE BONANZA RPT 'ENTERING THE 45.' AS MY STUDENT BEGAN A TURN BACK TO THE N TO SET UP FOR OUR ENTRY TO THE PATTERN, I QUERIED THE BONANZA FOR ALT. THE RESPONSE WAS, 'WHAT DOES IT MATTER TO YOU?' I FOOLISHLY DECLINED TO ANSWER THE QUESTION. WE SAW THE BONANZA AS WE CONTINUED THE TURN. HE WAS ON THE DOWNWIND AT WHAT APPEARED TO BE PATTERN ALT, 500 FT BELOW US. WE CLRED THE PATTERN TO THE N, DSNDED TO PATTERN ALT, AND ENTERED ON THE 45-TO-DOWNWIND FOR R TFC RWY 28. MY STUDENT WAS HANDLING THE RADIOS AT THIS POINT, AND BOTH HE AND THE BONANZA WERE MAKING STANDARD RPTS. WE ENTERED THE DOWNWIND AS THE BONANZA ROLLED FINAL. THE BONANZA LANDED AND STOPPED APPROX MIDFIELD, AND STATED HIS INTENT TO MAKE A 180 DEG TURN, AND EXIT THE RWY AT THE NEAREST TXWY. AT THIS POINT, WE CAME ABEAM THE APCH-END NUMBERS, AND MY STUDENT RETARDED THE PWR FOR DSCNT, AND CONTINUED FOR PERHAPS 3/4 MI BEFORE TURNING BASE. AS WE ROLLED LEVEL ON BASE, I COULD SEE THE BONANZA BACK TAXIING, AND ALMOST TO THE INTXN. I CONSIDERED THE BONANZA TO BE NO FACTOR. MY STUDENT TURNED FINAL A BIT TOO EARLY AND UNDERSHOT THE RWY CTRLINE, RESULTING IN WHAT LOOKED TO BE AN OBLIQUE-TO-FINAL. AS HE DID THIS, A VOICE ON THE RADIO SAID, 'THAT'S A PRETTY UNUSUAL BASE THERE CESSNA, YOU WANT TO GO AROUND?' I LOOKED UP TO SEE THE V-TAIL BONANZA STOPPED, WAITING ON THE RWY AT THE INTXN. TOO STUNNED TO REACT, I ALLOWED US TO CONTINUE TO SHORT FINAL, AS THE BONANZA SAT THERE. MY STUDENT MADE NO EVASIVE ACTION. ON SHORT FINAL, I COMMANDED A GAR, WHICH MY STUDENT EXECUTED. AS WE OVERFLEW THE RWY, I LOST SIGHT OF THE BONANZA, BUT PICKED HIM UP AGAIN, TAXIING TO PARKING, AS WE LEVELED ON THE DOWNWIND. AFTER WE HAD LANDED AND WERE CLR OF THE RWY, I ASKED MY STUDENT WHY HE HAD CONTINUED ON THE APCH EVEN AFTER THE BONANZA PLT HAD MADE CLR HIS INTENT TO REMAIN ON THE RWY. MY STUDENT (A POST-SOLO STUDENT PLT) REPLIED THAT, UNTIL A SHORT WHILE AFTER I COMMANDED THE GAR, HE WAS UNAWARE THAT THE BONANZA WAS THERE.

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.