Narrative:

We were inbound to fai where the WX was 3500' broken, visibility 10 mi and light rain. We had crossed over the salcha river looking at cabin one of the passenger was bldg. We then headed directly across the low hills to the tanana river crossing about 2 1/2 mi east of the eielson AFB VOR. The flight path we were on took us across the final approach path for aircraft landing on runway 31 at eielson. We had descended to 1500' MSL to be well below any traffic. After we had crossed the final approach path, I looked out the side window and saw an mlt on final approach at about 2 mi distance approximately 1500' above us. Because inbound IFR aircraft could (should) no descend below 2200' prior to passing the VOR inbound I felt we had lots of vertical sep and horizontal sep I was not concerned. Prior to this occurring I had been monitoring fai approach and they had given me a code to squawk and I was on mode C. I do not feel there was a problem, but in order to protect myself I am filing a report. I do not have the current WX at eielson the time this occurred, but it was much better, 3500-4000' broken with 15 mi visibility and no rain, than was fairbanks when we landed about 20 mins later. We had not been advised of any inbound traffic for eielson or of any conflicts with crossing where we did. Callback conversation with reporter revealed the following: mlt was at least 4 mi distance when sighted. Since he was talking to fai approach controller and received a transponder code, he assumed he would be clear through the control zone. Had not received any request for information from the FAA to this date. Cya report.

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Original NASA ASRS Text

Title: PENETRATED THE CTL ZONE OF MILITARY BASE WHILE OPERATING ON VFR FLT PLAN AND IN CONTACT WITH APCH CTLR.

Narrative: WE WERE INBND TO FAI WHERE THE WX WAS 3500' BROKEN, VIS 10 MI AND LIGHT RAIN. WE HAD CROSSED OVER THE SALCHA RIVER LOOKING AT CABIN ONE OF THE PAX WAS BLDG. WE THEN HEADED DIRECTLY ACROSS THE LOW HILLS TO THE TANANA RIVER XING ABOUT 2 1/2 MI E OF THE EIELSON AFB VOR. THE FLT PATH WE WERE ON TOOK US ACROSS THE FINAL APCH PATH FOR ACFT LNDG ON RWY 31 AT EIELSON. WE HAD DSNDED TO 1500' MSL TO BE WELL BELOW ANY TFC. AFTER WE HAD CROSSED THE FINAL APCH PATH, I LOOKED OUT THE SIDE WINDOW AND SAW AN MLT ON FINAL APCH AT ABOUT 2 MI DISTANCE APPROX 1500' ABOVE US. BECAUSE INBND IFR ACFT COULD (SHOULD) NO DSND BELOW 2200' PRIOR TO PASSING THE VOR INBND I FELT WE HAD LOTS OF VERT SEP AND HORIZ SEP I WAS NOT CONCERNED. PRIOR TO THIS OCCURRING I HAD BEEN MONITORING FAI APCH AND THEY HAD GIVEN ME A CODE TO SQUAWK AND I WAS ON MODE C. I DO NOT FEEL THERE WAS A PROB, BUT IN ORDER TO PROTECT MYSELF I AM FILING A RPT. I DO NOT HAVE THE CURRENT WX AT EIELSON THE TIME THIS OCCURRED, BUT IT WAS MUCH BETTER, 3500-4000' BROKEN WITH 15 MI VIS AND NO RAIN, THAN WAS FAIRBANKS WHEN WE LANDED ABOUT 20 MINS LATER. WE HAD NOT BEEN ADVISED OF ANY INBND TFC FOR EIELSON OR OF ANY CONFLICTS WITH XING WHERE WE DID. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: MLT WAS AT LEAST 4 MI DISTANCE WHEN SIGHTED. SINCE HE WAS TALKING TO FAI APCH CTLR AND RECEIVED A TRANSPONDER CODE, HE ASSUMED HE WOULD BE CLEAR THROUGH THE CTL ZONE. HAD NOT RECEIVED ANY REQUEST FOR INFO FROM THE FAA TO THIS DATE. CYA RPT.

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.