Narrative:

Instrument student was completing NDB runway 14 at gai, md. Position calls were made on CTAF. Calls were heard on CTAF advising an aircraft (from another aircraft) that gai has a r-hand pattern for runway 32. I, the cfii, as we were about to turn left to a right crosswind, observed the other aircraft (climbing) on our left on a collision course. I dove our aircraft rapidly on a straight course (approximately 135 degrees) approximately 200 ft. The instrument student's comment was he saw the underside of an airplane go by. The other aircraft did not answer CTAF calls and left the area. There was a club fly-in at fdk, 18 NM away, and there were probably many aircraft in the area not familiar with gai runway 32. Pilots not familiar with the area should obtain advisories and if breaking off an approach should not be so stupid as to go 'head-to-head' with traffic. Maybe I shouldn't fly at all when there is an air show or fly-in at a close-by (18 NM) airport!

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Original NASA ASRS Text

Title: INSTRUCTOR PLT, WITH TRAINEE, OF A C172 TOOK OVER CTL OF ACFT UPON OBSERVING A SINGLE ENG BEECH ACFT COMING FROM THE OPPOSITE DIRECTION, AND AGAINST THE R-HAND TFC FLOW AT AN UNCTLED ARPT.

Narrative: INST STUDENT WAS COMPLETING NDB RWY 14 AT GAI, MD. POS CALLS WERE MADE ON CTAF. CALLS WERE HEARD ON CTAF ADVISING AN ACFT (FROM ANOTHER ACFT) THAT GAI HAS A R-HAND PATTERN FOR RWY 32. I, THE CFII, AS WE WERE ABOUT TO TURN L TO A R XWIND, OBSERVED THE OTHER ACFT (CLBING) ON OUR L ON A COLLISION COURSE. I DOVE OUR ACFT RAPIDLY ON A STRAIGHT COURSE (APPROX 135 DEGS) APPROX 200 FT. THE INST STUDENT'S COMMENT WAS HE SAW THE UNDERSIDE OF AN AIRPLANE GO BY. THE OTHER ACFT DID NOT ANSWER CTAF CALLS AND LEFT THE AREA. THERE WAS A CLUB FLY-IN AT FDK, 18 NM AWAY, AND THERE WERE PROBABLY MANY ACFT IN THE AREA NOT FAMILIAR WITH GAI RWY 32. PLTS NOT FAMILIAR WITH THE AREA SHOULD OBTAIN ADVISORIES AND IF BREAKING OFF AN APCH SHOULD NOT BE SO STUPID AS TO GO 'HEAD-TO-HEAD' WITH TFC. MAYBE I SHOULDN'T FLY AT ALL WHEN THERE IS AN AIR SHOW OR FLY-IN AT A CLOSE-BY (18 NM) ARPT!

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.