Narrative:

On ILS approach into bet. Tower told us to call them at FAF. Prior to FAF; the field went VFR and the tower started to jam several VFR aircraft into the airport. At the FAF (6.2 DME) the tower frequency was in constant use. At 5.8 DME the captain was finally able to call the tower and told them that we were 'inside the FAF.' the tower then cleared a C207 to land in front of us and asked for his DME. The C207 called 1.5 DME. By this point we were at 2.8 DME. We had just broken out of the clouds and had the field in sight at about 900 ft MSL. Visibility was reduced in rain and mist. We were O localizer and on GS; fully configured (flaps 40 degrees) to land. We both started looking for the traffic; realizing that we had a problem brewing. The captain looked out the left window; and saw the C207 very close to us. The captain (PNF) rolled the airplane to the right and pitched up. I had my hands on the controls and throttles (as PF) and I added power. A second later the threat was behind us and I resumed the controls. At this point we were no longer in a position to land and we executed the published missed approach. We then flew another arc and ILS to a landing. I believe that we did absolutely nothing wrong. The fault of this near midair collision falls on 2 people. The first is the tower controller who had lost situational awareness. The tower was trying to jam too many VFR aircraft into the field in front of us. The second is the C207 pilot who did not see and avoid us. Several witnesses in our aircraft and on the ground told us later that the C207 did not turn until after we had turned and climbed away from him. Had we not turned; there is a chance that he would have impacted the left wing. The captain spoke with the C207 pilot on the phone and asked if he saw us. The C207 pilot said he did not. The captain also asked if he had his transponder on. The C207 pilot said that he did not know if there was a transponder installed in his aircraft. He then stated that his aircraft has capstone and that the transponder is 'hooked into it.' the captain told him that our TCAS cannot see him unless he turns on his transponder. The C207 pilot stated that he did not see us on his capstone/TCAS either. I believe that this shows a huge hole in the training of this C207 pilot since he does not even know if his aircraft has a transponder. Simply put; his transponder being turned off nearly resulted in an near midair collision. The captain also talked on the phone to the tower controller. The tower apologized.

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Original NASA ASRS Text

Title: A B737-200 FLT CREW EXPERIENCED AN NMAC WITH A C207 AT BET WHEN THE TWR CTLR SEQUENCED THE ACFT TOO CLOSELY AND THE C207 PLT FAILED TO SEE AND AVOID THE B737-200.

Narrative: ON ILS APCH INTO BET. TWR TOLD US TO CALL THEM AT FAF. PRIOR TO FAF; THE FIELD WENT VFR AND THE TWR STARTED TO JAM SEVERAL VFR ACFT INTO THE ARPT. AT THE FAF (6.2 DME) THE TWR FREQ WAS IN CONSTANT USE. AT 5.8 DME THE CAPT WAS FINALLY ABLE TO CALL THE TWR AND TOLD THEM THAT WE WERE 'INSIDE THE FAF.' THE TWR THEN CLRED A C207 TO LAND IN FRONT OF US AND ASKED FOR HIS DME. THE C207 CALLED 1.5 DME. BY THIS POINT WE WERE AT 2.8 DME. WE HAD JUST BROKEN OUT OF THE CLOUDS AND HAD THE FIELD IN SIGHT AT ABOUT 900 FT MSL. VISIBILITY WAS REDUCED IN RAIN AND MIST. WE WERE O LOC AND ON GS; FULLY CONFIGURED (FLAPS 40 DEGS) TO LAND. WE BOTH STARTED LOOKING FOR THE TFC; REALIZING THAT WE HAD A PROB BREWING. THE CAPT LOOKED OUT THE L WINDOW; AND SAW THE C207 VERY CLOSE TO US. THE CAPT (PNF) ROLLED THE AIRPLANE TO THE R AND PITCHED UP. I HAD MY HANDS ON THE CTLS AND THROTTLES (AS PF) AND I ADDED PWR. A SECOND LATER THE THREAT WAS BEHIND US AND I RESUMED THE CTLS. AT THIS POINT WE WERE NO LONGER IN A POS TO LAND AND WE EXECUTED THE PUBLISHED MISSED APCH. WE THEN FLEW ANOTHER ARC AND ILS TO A LNDG. I BELIEVE THAT WE DID ABSOLUTELY NOTHING WRONG. THE FAULT OF THIS NMAC FALLS ON 2 PEOPLE. THE FIRST IS THE TWR CTLR WHO HAD LOST SITUATIONAL AWARENESS. THE TWR WAS TRYING TO JAM TOO MANY VFR ACFT INTO THE FIELD IN FRONT OF US. THE SECOND IS THE C207 PLT WHO DID NOT SEE AND AVOID US. SEVERAL WITNESSES IN OUR ACFT AND ON THE GND TOLD US LATER THAT THE C207 DID NOT TURN UNTIL AFTER WE HAD TURNED AND CLBED AWAY FROM HIM. HAD WE NOT TURNED; THERE IS A CHANCE THAT HE WOULD HAVE IMPACTED THE L WING. THE CAPT SPOKE WITH THE C207 PLT ON THE PHONE AND ASKED IF HE SAW US. THE C207 PLT SAID HE DID NOT. THE CAPT ALSO ASKED IF HE HAD HIS XPONDER ON. THE C207 PLT SAID THAT HE DID NOT KNOW IF THERE WAS A XPONDER INSTALLED IN HIS ACFT. HE THEN STATED THAT HIS ACFT HAS CAPSTONE AND THAT THE XPONDER IS 'HOOKED INTO IT.' THE CAPT TOLD HIM THAT OUR TCAS CANNOT SEE HIM UNLESS HE TURNS ON HIS XPONDER. THE C207 PLT STATED THAT HE DID NOT SEE US ON HIS CAPSTONE/TCAS EITHER. I BELIEVE THAT THIS SHOWS A HUGE HOLE IN THE TRAINING OF THIS C207 PLT SINCE HE DOES NOT EVEN KNOW IF HIS ACFT HAS A XPONDER. SIMPLY PUT; HIS XPONDER BEING TURNED OFF NEARLY RESULTED IN AN NMAC. THE CAPT ALSO TALKED ON THE PHONE TO THE TWR CTLR. THE TWR APOLOGIZED.

Data retrieved from NASA's ASRS site as of January 2009 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.