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Instructor pilot, with a non current certified pilot owner of a piper PA22, was advised by tower after 4 touch-and-go lndgs that they were in violation of class C transponder equipment requirement. The pilots then observed that their transponder indeed appeared to not be working.
| Attributes | |
| ACN | 483540 |
| Time | |
| Date | 200008 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : luk.airport |
| State Reference | OH |
| Altitude | agl single value : 1000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : luk.tower |
| Operator | general aviation : instructional |
| Make Model Name | Piper Single Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | landing : touch and go |
| Route In Use | approach : traffic pattern |
| Flight Plan | None |
| Person 1 | |
| Affiliation | other |
| Function | instruction : instructor |
| Qualification | pilot : cfi |
| Experience | flight time last 90 days : 108 flight time total : 9569 flight time type : 97 |
| ASRS Report | 483540 |
| Person 2 | |
| Affiliation | other |
| Function | instruction : trainee |
| Qualification | pilot : private |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far non adherence other |
| Independent Detector | atc equipment other atc equipment : radar other controllera |
| Resolutory Action | controller : issued alert none taken : detected after the fact |
| Consequence | faa : reviewed incident with flight crew other |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Aircraft |
Narrative:
Flew from I69 (clermont county) to luk (cincinnati lunken) to give dual instruction in tower operations to a non current, but licensed pilot. He had recently purchased the airplane and this was our first venture out of the traffic pattern from the home airport (I69). We had not previously used any ATC services. After 4 touch-and-goes, the controller told us that we were in violation of the cincinnati mode C transponder requirement. Upon observing the transponder it was clear that the reply light was not blinking. This was the first that we 'knew' that the transponder was inoperative. I checked the transponder fuse and it was intact.
Original NASA ASRS Text
Title: INSTRUCTOR PLT, WITH A NON CURRENT CERTIFIED PLT OWNER OF A PIPER PA22, WAS ADVISED BY TWR AFTER 4 TOUCH-AND-GO LNDGS THAT THEY WERE IN VIOLATION OF CLASS C XPONDER EQUIP REQUIREMENT. THE PLTS THEN OBSERVED THAT THEIR XPONDER INDEED APPEARED TO NOT BE WORKING.
Narrative: FLEW FROM I69 (CLERMONT COUNTY) TO LUK (CINCINNATI LUNKEN) TO GIVE DUAL INSTRUCTION IN TWR OPS TO A NON CURRENT, BUT LICENSED PLT. HE HAD RECENTLY PURCHASED THE AIRPLANE AND THIS WAS OUR FIRST VENTURE OUT OF THE TFC PATTERN FROM THE HOME ARPT (I69). WE HAD NOT PREVIOUSLY USED ANY ATC SVCS. AFTER 4 TOUCH-AND-GOES, THE CTLR TOLD US THAT WE WERE IN VIOLATION OF THE CINCINNATI MODE C XPONDER REQUIREMENT. UPON OBSERVING THE XPONDER IT WAS CLR THAT THE REPLY LIGHT WAS NOT BLINKING. THIS WAS THE FIRST THAT WE 'KNEW' THAT THE XPONDER WAS INOP. I CHKED THE XPONDER FUSE AND IT WAS INTACT.
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.