Narrative:

On 4/fri/90, I was piloting small aircraft X. The WX was clear with visibility of about 10 mi. The wind was light and out of the south. I was about 3 mi south of smith airport when I tuned my radio to 122.8 to listen for traffic. I made a standard 45 degree entry to downwind for runway 23. I then broadcast 'small aircraft X on downwind for runway 23, smith.' there was no response. I went downwind about 2.5 mi and turned onto a left base.I broadcast 'smith traffic, small aircraft X on left base, runway 23 smith.' as I was about to turn final, I noticed aircraft position lights northeast of the airport. The lights were very faint. I estimated the distance to be about 8 mi and the direction of flight south or southwest. The aircraft was well above my altitude of 1400' MSL. I turned final and broadcast 'smith traffic, small aircraft X turning a 3 mi final 23, smith.' there was no response. About 1.5 mi from the runway I heard on the unicom frequency, 'small transport Y on a 4 mi final runway 23 smith.' I immediately responded, 'smith traffic, small aircraft X on a 1 mi final 23, smith.' I continued the final approach at about 60 KTS. Very soon thereafter my son, who was beside me in the front seat, said he saw an 'right on our tail.' I turned around and looked out the rear window, but saw nothing. My son said that he thought that the other aircraft might be under us, so I held my altitude at 1400' MSL (650' AGL) as a precaution. At a distance of roughly 1/3 mi from the runway end, a small transport Y bizjet appeared about 150' under my nose. It squeezed between my aircraft and a bldg just off the end of runway 23, and landed about 1/3 of the way down the runway. I immediately slowed to minimum flying speed and delayed landing until it was clear that the small transport Y was holding at the other end of the runway. I then landed normally. Later I confronted one of the pilots of the small transport Y. He told me that he had not heard any of my broadcasts until the '1 mi final' remark. He also said that he never saw my aircraft until the landing. I called the ATC supervisor on duty at fwa to ask if anyone there had seen the incident on radar. The supervisor told me that she was working the scope at the time of the incident. She remembered clearing them to switch to advisory frequency 8 mi northeast of smith airport. She also remembered telling them that there was VFR traffic in the vicinity of smith airport. I also asked an individual who was at FBO if he had heard the xmissions from my aircraft. He said that while he didn't remember exactly what was said, that he did hear xmissions from my aircraft. The radio in my aircraft is equipped with a visibility modulation indicator. It indicated normal output power every time the radio was used. I also verified that the position and landing lights on my aircraft were on and working properly during all operations in the air traffic area. One of my passenger stated that he never saw a landing light on the small transport Y until it emerged from under the nose of my aircraft. This was a dangerous and frightening incident for me, and my 2 passenger. I am very thankful that the small aircraft X that I was flying is equipped with a rear window. Otherwise, the outcome might have been different.

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Original NASA ASRS Text

Title: SMA, IN STANDARD TRAFFIC PATTERN FOR ARR AT UNCONTROLLED ARPT, HAS NMAC WITH BIZJET, IFR, ON STRAIGHT IN APCH.

Narrative: ON 4/FRI/90, I WAS PILOTING SMA X. THE WX WAS CLR WITH VISIBILITY OF ABOUT 10 MI. THE WIND WAS LIGHT AND OUT OF THE S. I WAS ABOUT 3 MI S OF SMITH ARPT WHEN I TUNED MY RADIO TO 122.8 TO LISTEN FOR TFC. I MADE A STANDARD 45 DEG ENTRY TO DOWNWIND FOR RWY 23. I THEN BROADCAST 'SMA X ON DOWNWIND FOR RWY 23, SMITH.' THERE WAS NO RESPONSE. I WENT DOWNWIND ABOUT 2.5 MI AND TURNED ONTO A LEFT BASE.I BROADCAST 'SMITH TFC, SMA X ON LEFT BASE, RWY 23 SMITH.' AS I WAS ABOUT TO TURN FINAL, I NOTICED ACFT POS LIGHTS NE OF THE ARPT. THE LIGHTS WERE VERY FAINT. I ESTIMATED THE DISTANCE TO BE ABOUT 8 MI AND THE DIRECTION OF FLT S OR SW. THE ACFT WAS WELL ABOVE MY ALT OF 1400' MSL. I TURNED FINAL AND BROADCAST 'SMITH TFC, SMA X TURNING A 3 MI FINAL 23, SMITH.' THERE WAS NO RESPONSE. ABOUT 1.5 MI FROM THE RWY I HEARD ON THE UNICOM FREQ, 'SMT Y ON A 4 MI FINAL RWY 23 SMITH.' I IMMEDIATELY RESPONDED, 'SMITH TFC, SMA X ON A 1 MI FINAL 23, SMITH.' I CONTINUED THE FINAL APCH AT ABOUT 60 KTS. VERY SOON THEREAFTER MY SON, WHO WAS BESIDE ME IN THE FRONT SEAT, SAID HE SAW AN 'RIGHT ON OUR TAIL.' I TURNED AROUND AND LOOKED OUT THE REAR WINDOW, BUT SAW NOTHING. MY SON SAID THAT HE THOUGHT THAT THE OTHER ACFT MIGHT BE UNDER US, SO I HELD MY ALT AT 1400' MSL (650' AGL) AS A PRECAUTION. AT A DISTANCE OF ROUGHLY 1/3 MI FROM THE RWY END, A SMT Y BIZJET APPEARED ABOUT 150' UNDER MY NOSE. IT SQUEEZED BTWN MY ACFT AND A BLDG JUST OFF THE END OF RWY 23, AND LANDED ABOUT 1/3 OF THE WAY DOWN THE RWY. I IMMEDIATELY SLOWED TO MINIMUM FLYING SPD AND DELAYED LNDG UNTIL IT WAS CLR THAT THE SMT Y WAS HOLDING AT THE OTHER END OF THE RWY. I THEN LANDED NORMALLY. LATER I CONFRONTED ONE OF THE PLTS OF THE SMT Y. HE TOLD ME THAT HE HAD NOT HEARD ANY OF MY BROADCASTS UNTIL THE '1 MI FINAL' REMARK. HE ALSO SAID THAT HE NEVER SAW MY ACFT UNTIL THE LNDG. I CALLED THE ATC SUPVR ON DUTY AT FWA TO ASK IF ANYONE THERE HAD SEEN THE INCIDENT ON RADAR. THE SUPVR TOLD ME THAT SHE WAS WORKING THE SCOPE AT THE TIME OF THE INCIDENT. SHE REMEMBERED CLRING THEM TO SWITCH TO ADVISORY FREQ 8 MI NE OF SMITH ARPT. SHE ALSO REMEMBERED TELLING THEM THAT THERE WAS VFR TFC IN THE VICINITY OF SMITH ARPT. I ALSO ASKED AN INDIVIDUAL WHO WAS AT FBO IF HE HAD HEARD THE XMISSIONS FROM MY ACFT. HE SAID THAT WHILE HE DIDN'T REMEMBER EXACTLY WHAT WAS SAID, THAT HE DID HEAR XMISSIONS FROM MY ACFT. THE RADIO IN MY ACFT IS EQUIPPED WITH A VIS MODULATION INDICATOR. IT INDICATED NORMAL OUTPUT PWR EVERY TIME THE RADIO WAS USED. I ALSO VERIFIED THAT THE POS AND LNDG LIGHTS ON MY ACFT WERE ON AND WORKING PROPERLY DURING ALL OPS IN THE ATA. ONE OF MY PAX STATED THAT HE NEVER SAW A LNDG LIGHT ON THE SMT Y UNTIL IT EMERGED FROM UNDER THE NOSE OF MY ACFT. THIS WAS A DANGEROUS AND FRIGHTENING INCIDENT FOR ME, AND MY 2 PAX. I AM VERY THANKFUL THAT THE SMA X THAT I WAS FLYING IS EQUIPPED WITH A REAR WINDOW. OTHERWISE, THE OUTCOME MIGHT HAVE BEEN DIFFERENT.

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.