SMA INSTRUCTOR AND STUDENT WERE CONCERNED THAT A GAR AT AN ARPT CLOSE TO COOLING TWRS WOULD CONSTITUTE 'LOITERING' NEAR A FACILITY.

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OUR PROB AROSE DURING GAR PROCS IN THE TFC PATTERN RWY 28 AT ZZZ. ZZZ HAS COOLING TWRS APPROX 2 MILES TO THE W OF THE DEP END OF RWY 28. THE GARS ARE PERCEIVED AS LOITERING IN THE VICINITY OF THE COOLING TWRS. WE CALLED ZZZ IN SIGHT WITH APCH AND PROCEEDED N OF THE FIELD TO ENTER THE PATTERN ON A 45 DEG TO RIGHT DOWNWIND. I COULD SEE THAT THE WIND WAS CONVERGING US ON THE RWY WHILE ON DOWNWIND AND VERBALLY ALERTED MY STUDENT TO THIS. THE WIND WAS STRONG FOR A STUDENT PLT AND WE WERE EXPERIENCING GUSTY CONDITIONS ( WIND WAS APPROX 330 DEGS AT 15 KTS GUSTS 20KTS).THIS CROSSWIND SITUATION COUPLED WITH MY STUDENTS ANXIETY IN THIS NEW ARPT ENVIRONMENT CAUSED HIM TO OVERSHOOT FINAL APCH AND WE EXECUTED A GAR WITHIN THE TFC PATTERN. WE DISCUSSED WHAT HAD HAPPENED AND BOTH FELT CONFIDENT THAT HE COULD CORRECT HIS ACTION ON THE NEXT APCH SO WE PROCEEDED. THE APCH WAS TEXTBOOK; HOWEVER HIS XWIND CORRECTION LEFT MUCH TO BE DESIRED ONCE OVER THE RWY SO WE ELECTED FOR THE MOST CONSERVATIVE COURSE OF ACTION AND EXECUTE A GAR PROC WITHIN THE TFC PATTERN. OUR THIRD APCH TO LNDG WAS DECIDED TO BE ME AT THE CONTROLS DEMONSTRATING THE TECHNIQUE. WE LANDED THE ACFT WENT INTO THE FBO TO CLOSE OUR VFR FLT PLAN AND THEN DEPARTED ZZZ OF RWY 28 WITH A DOWNWIND DEP TO THE E. THERE WERE NO SPECIFIC NOTAMS ON FILE FOR ZZZ. SO WE USED THE NORMAL DEP PROC FOR RWY 28 (CLIMB TO 800 FT MSL THEN TURN R XWIND TO AVOID HOSPITAL). I FELT THAT IT WAS A GOOD LESSON IN WINDSHEAR AVOIDANCE AS WELL AS GND REFERENCE/RECTANGULAR COURSE MANEUVERS. MY RELUCTANCE TO TAKE CTL FROM MY STUDENT WAS ALSO A MAJOR FACTOR IN OUR GARS.