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Piper pilot wanders into traffic pattern after being cleared to hold VFR outside it while he corrected transponder problem.
| Attributes | |
| ACN | 456200 |
| Time | |
| Date | 199912 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : tus.airport |
| State Reference | AZ |
| Altitude | msl single value : 4000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : p50.tracon |
| Operator | general aviation : personal |
| Make Model Name | PA-30 Twin Comanche |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Route In Use | departure : vfr |
| Flight Plan | VFR |
| Aircraft 2 | |
| Controlling Facilities | tracon : p50.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Airbus Industrie Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Route In Use | approach : visual |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : multi engine pilot : private pilot : instrument |
| Experience | flight time last 90 days : 15 flight time total : 550 flight time type : 150 |
| ASRS Report | 456200 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : multi engine |
| Events | |
| Anomaly | aircraft equipment problem : less severe airspace violation : entry conflict : airborne less severe non adherence : clearance other spatial deviation |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued alert flight crew : took evasive action |
| Miss Distance | horizontal : 2500 vertical : 0 |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Leaving tus, was advised transponder not working. Was told to go to a point over a mission hold and fix the problem. While trying to get transponder working, I drifted back to traffic pattern. I noticed the airbus at my altitude just as traffic alert was given and was already turning. More attention should have been paid to flying the airplane. Fix transponder outside of traffic area.
Original NASA ASRS Text
Title: PIPER PLT WANDERS INTO TFC PATTERN AFTER BEING CLRED TO HOLD VFR OUTSIDE IT WHILE HE CORRECTED XPONDER PROB.
Narrative: LEAVING TUS, WAS ADVISED XPONDER NOT WORKING. WAS TOLD TO GO TO A POINT OVER A MISSION HOLD AND FIX THE PROB. WHILE TRYING TO GET XPONDER WORKING, I DRIFTED BACK TO TFC PATTERN. I NOTICED THE AIRBUS AT MY ALT JUST AS TFC ALERT WAS GIVEN AND WAS ALREADY TURNING. MORE ATTN SHOULD HAVE BEEN PAID TO FLYING THE AIRPLANE. FIX XPONDER OUTSIDE OF TFC AREA.
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.