Narrative:

Approaching from the southeast from harris ranch (308) to los banos (lsn) in a T-210, I monitored CTAF at lsn from 25 mi out. I heard a skyhawk doing pattern work. His radio was 3 X 5 and he had a strong accent. I announced my intentions to overfly the active runway 32 and enter left downwind at midfield. When I was approximately 5 mi out Y announced turning left base. He was in sight and landed when I was over the threshold of runway 32 at approximately 2000 ft. I announced turning downwind and descended to tpa of 920 ft. I announced turning base, about 1 mi from runway 32 I turned final. Y came down the taxiway, taxied past a tomahawk in the runup area, without stopping and announced taking the active. I informed him that I was on a .7 mi final but he was already off runway 32. I was slowed to 85 KTS and descending at 400 FPM. Y stopped on the runway. I went around in left traffic at 500 ft, climbed to 750 ft and executed a low approach landing. While I was on the phone in the FBO my passenger informed me the person going into the restroom had gotten out of the right front seat of Y. He had a shirt and tie on and I assumed him to be an instructor. I couldn't confirm this as I was still busy on the phone when he left. Y also departed before I was finished. CTAF at lsn is 122.8. Sunday was a very busy day in this area since there had been substantial rain and flooding in central california and there was a lot of sightseeing going on. Y may not have heard all of my xmissions due to frequency clutter. Possibly due to accent/language considerations, Y didn't understand my intentions or position reports. Perhaps he is a student pilot with poor english and minimal radio technique or minimal flying skills, per southeast. If, however, this was a student with an instructor, it is inexcusable for the instructor not to have taken over at some point before safety was compromised. To have taxied past another airplane onto the active runway with a plane on base turning final without visual and or radio contact with them is poor technique which should not be condoned. If the PIC was an instructor teaching a student, safe practices were not followed. I felt strongly enough to report the incident to the FSS supervisor after I got home, and intend to follow it up with the FSDO in the morning. This is the first time I have reported an incident to flight service but the second NASA report I have made. I enjoy your contribution to safe flight as well as your publication. Keep up the good work.

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Original NASA ASRS Text

Title: POTENTIAL CONFLICT APPARENT WHILE ON FINAL APCH. SMA MAKES A GAR. UNAUTH RWY ENTRY BY SMA Y.

Narrative: APCHING FROM THE SE FROM HARRIS RANCH (308) TO LOS BANOS (LSN) IN A T-210, I MONITORED CTAF AT LSN FROM 25 MI OUT. I HEARD A SKYHAWK DOING PATTERN WORK. HIS RADIO WAS 3 X 5 AND HE HAD A STRONG ACCENT. I ANNOUNCED MY INTENTIONS TO OVERFLY THE ACTIVE RWY 32 AND ENTER L DOWNWIND AT MIDFIELD. WHEN I WAS APPROX 5 MI OUT Y ANNOUNCED TURNING L BASE. HE WAS IN SIGHT AND LANDED WHEN I WAS OVER THE THRESHOLD OF RWY 32 AT APPROX 2000 FT. I ANNOUNCED TURNING DOWNWIND AND DSNDED TO TPA OF 920 FT. I ANNOUNCED TURNING BASE, ABOUT 1 MI FROM RWY 32 I TURNED FINAL. Y CAME DOWN THE TXWY, TAXIED PAST A TOMAHAWK IN THE RUNUP AREA, WITHOUT STOPPING AND ANNOUNCED TAKING THE ACTIVE. I INFORMED HIM THAT I WAS ON A .7 MI FINAL BUT HE WAS ALREADY OFF RWY 32. I WAS SLOWED TO 85 KTS AND DSNDING AT 400 FPM. Y STOPPED ON THE RWY. I WENT AROUND IN L TFC AT 500 FT, CLBED TO 750 FT AND EXECUTED A LOW APCH LNDG. WHILE I WAS ON THE PHONE IN THE FBO MY PAX INFORMED ME THE PERSON GOING INTO THE RESTROOM HAD GOTTEN OUT OF THE R FRONT SEAT OF Y. HE HAD A SHIRT AND TIE ON AND I ASSUMED HIM TO BE AN INSTRUCTOR. I COULDN'T CONFIRM THIS AS I WAS STILL BUSY ON THE PHONE WHEN HE LEFT. Y ALSO DEPARTED BEFORE I WAS FINISHED. CTAF AT LSN IS 122.8. SUNDAY WAS A VERY BUSY DAY IN THIS AREA SINCE THERE HAD BEEN SUBSTANTIAL RAIN AND FLOODING IN CENTRAL CALIFORNIA AND THERE WAS A LOT OF SIGHTSEEING GOING ON. Y MAY NOT HAVE HEARD ALL OF MY XMISSIONS DUE TO FREQ CLUTTER. POSSIBLY DUE TO ACCENT/LANGUAGE CONSIDERATIONS, Y DIDN'T UNDERSTAND MY INTENTIONS OR POS RPTS. PERHAPS HE IS A STUDENT PLT WITH POOR ENGLISH AND MINIMAL RADIO TECHNIQUE OR MINIMAL FLYING SKILLS, PER SE. IF, HOWEVER, THIS WAS A STUDENT WITH AN INSTRUCTOR, IT IS INEXCUSABLE FOR THE INSTRUCTOR NOT TO HAVE TAKEN OVER AT SOME POINT BEFORE SAFETY WAS COMPROMISED. TO HAVE TAXIED PAST ANOTHER AIRPLANE ONTO THE ACTIVE RWY WITH A PLANE ON BASE TURNING FINAL WITHOUT VISUAL AND OR RADIO CONTACT WITH THEM IS POOR TECHNIQUE WHICH SHOULD NOT BE CONDONED. IF THE PIC WAS AN INSTRUCTOR TEACHING A STUDENT, SAFE PRACTICES WERE NOT FOLLOWED. I FELT STRONGLY ENOUGH TO RPT THE INCIDENT TO THE FSS SUPVR AFTER I GOT HOME, AND INTEND TO FOLLOW IT UP WITH THE FSDO IN THE MORNING. THIS IS THE FIRST TIME I HAVE RPTED AN INCIDENT TO FLT SVC BUT THE SECOND NASA RPT I HAVE MADE. I ENJOY YOUR CONTRIBUTION TO SAFE FLT AS WELL AS YOUR PUBLICATION. KEEP UP THE GOOD WORK.

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.