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A mooney 201 transponder malfunctioned while en route on V-1. Pilot and ATC failed to take note with the pilot having to coordinate with nhk and acy approach controllers as to aircraft's position when near leeah intersection, nj.
| Attributes | |
| ACN | 538174 |
| Time | |
| Date | 200202 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : atr.vor |
| State Reference | DE |
| Altitude | msl single value : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | military facility : nhk.milfac tower : hut.tower |
| Operator | general aviation : personal |
| Make Model Name | M-20 Series Undifferentiated or Other Model |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 14 flight time total : 697 flight time type : 50 |
| ASRS Report | 538174 |
| Person 2 | |
| Affiliation | government : military |
| Function | controller : approach |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far non adherence : published procedure non adherence other |
| Independent Detector | atc equipment other atc equipment : radar other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance controller : issued advisory flight crew : overcame equipment problem |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | ATC Human Performance Aircraft Flight Crew Human Performance |
| Primary Problem | ATC Human Performance |
Narrative:
I was on an IFR flight plan from ilm to hfd. Level at 7000 ft MSL, nebound on V-1 airway. After passing ATR VOR, I began to wonder why patuxent approach had not passed me off to dover approach or atlantic city approach. I called them, and waited while patuxent issued instructions to several other aircraft before finally calling me back. They asked who I was and what my position was, which was leeah intersection by then. They had obviously forgotten me. I lost radio contact with them, then switched to an acy approach frequency and called them up. He gave me a different transponder code, but was receiving no return from me. That is when I noticed my transponder was not sending any replies. By turning the unit off for 10 mins and back on, I was able to restore its operation. Was surprised that patuxent approach never noticed when it failed, and forgot me.
Original NASA ASRS Text
Title: A MOONEY 201 XPONDER MALFUNCTIONED WHILE ENRTE ON V-1. PLT AND ATC FAILED TO TAKE NOTE WITH THE PLT HAVING TO COORDINATE WITH NHK AND ACY APCH CTLRS AS TO ACFT'S POS WHEN NEAR LEEAH INTXN, NJ.
Narrative: I WAS ON AN IFR FLT PLAN FROM ILM TO HFD. LEVEL AT 7000 FT MSL, NEBOUND ON V-1 AIRWAY. AFTER PASSING ATR VOR, I BEGAN TO WONDER WHY PATUXENT APCH HAD NOT PASSED ME OFF TO DOVER APCH OR ATLANTIC CITY APCH. I CALLED THEM, AND WAITED WHILE PATUXENT ISSUED INSTRUCTIONS TO SEVERAL OTHER ACFT BEFORE FINALLY CALLING ME BACK. THEY ASKED WHO I WAS AND WHAT MY POS WAS, WHICH WAS LEEAH INTXN BY THEN. THEY HAD OBVIOUSLY FORGOTTEN ME. I LOST RADIO CONTACT WITH THEM, THEN SWITCHED TO AN ACY APCH FREQ AND CALLED THEM UP. HE GAVE ME A DIFFERENT XPONDER CODE, BUT WAS RECEIVING NO RETURN FROM ME. THAT IS WHEN I NOTICED MY XPONDER WAS NOT SENDING ANY REPLIES. BY TURNING THE UNIT OFF FOR 10 MINS AND BACK ON, I WAS ABLE TO RESTORE ITS OP. WAS SURPRISED THAT PATUXENT APCH NEVER NOTICED WHEN IT FAILED, AND FORGOT ME.
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.