|37000 Feet||Browse and search NASA's
Aviation Safety Reporting System
|Local Time Of Day||1201 To 1800|
|Locale Reference||airport : jvl|
|Altitude||msl bound lower : 2700|
msl bound upper : 2700
|Controlling Facilities||tracon : rfd|
|Operator||general aviation : personal|
|Make Model Name||Small Aircraft, Low Wing, 1 Eng, Retractable Gear|
|Navigation In Use||ils localizer & glide slope : jvl|
|Flight Phase||descent : approach|
|Function||flight crew : single pilot|
|Qualification||pilot : instrument|
pilot : commercial
|Experience||flight time last 90 days : 32|
flight time total : 2330
flight time type : 35
|Affiliation||government : faa|
|Function||controller : approach|
|Qualification||controller : radar|
|Anomaly||aircraft equipment problem : critical|
other spatial deviation
|Independent Detector||other flight crewa|
|Air Traffic Incident||other|
After being aligned with the ILS the controller had to give me a go around. Aircraft ahead of me was having problems and declared a missed approach. After vectoring I was cleared for the approach and given the tower frequency. After intercepting the G/south the localizer needle began to drift to the right--correcting for the drift did not help. As I was almost to call a missed approach I broke out of IMC much to the right of the normal approach path. I called the tower and was cleared to land. Later I made an ILS approach at another ILS in VFR WX and found my aircraft equipment working normally. I find the jvl ILS is not up to full operating power. Callback conversation with reporter revealed the following: reporter said he did not report the ILS problem to the FAA because he thought it was a problem with his equipment. Later during the day he shot another ILS at another airport in VMC and he said his equipment was fine. He therefore thinks it was a NAVAID problem.
Original NASA ASRS Text
Title: ILS INDICATIONS CAUSE REPORTER TO BREAK OUT OF OVERCAST OFF COURSE. REPORTER BELIEVES PROBLEM WAS WITH ILS SIGNAL.
Narrative: AFTER BEING ALIGNED WITH THE ILS THE CTLR HAD TO GIVE ME A GAR. ACFT AHEAD OF ME WAS HAVING PROBS AND DECLARED A MISSED APCH. AFTER VECTORING I WAS CLRED FOR THE APCH AND GIVEN THE TWR FREQ. AFTER INTERCEPTING THE G/S THE LOC NEEDLE BEGAN TO DRIFT TO THE RIGHT--CORRECTING FOR THE DRIFT DID NOT HELP. AS I WAS ALMOST TO CALL A MISSED APCH I BROKE OUT OF IMC MUCH TO THE RIGHT OF THE NORMAL APCH PATH. I CALLED THE TWR AND WAS CLRED TO LAND. LATER I MADE AN ILS APCH AT ANOTHER ILS IN VFR WX AND FOUND MY ACFT EQUIP WORKING NORMALLY. I FIND THE JVL ILS IS NOT UP TO FULL OPERATING PWR. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: RPTR SAID HE DID NOT RPT THE ILS PROB TO THE FAA BECAUSE HE THOUGHT IT WAS A PROB WITH HIS EQUIP. LATER DURING THE DAY HE SHOT ANOTHER ILS AT ANOTHER ARPT IN VMC AND HE SAID HIS EQUIP WAS FINE. HE THEREFORE THINKS IT WAS A NAVAID PROB.
Data retrieved from NASA's ASRS site as of August 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.