Narrative:

I was captain on medium large transport on XXX, en route from phl to mia. While in cruise at 35000' approximately 40 mi south of charleston, sc, I was hanging up my passenger P/a microphone after having made an announcement, when I saw 4 fgt type aircraft in my 10 O'clock position. They were moving to my 8 O'clock position in steep banks turning away from me with some of the aircraft evidently pulling high g-loads as vapor trails were coming from their wing tips. Radio traffic was dead quiet as it normally is after something like this happens. I checked to be sure that my flight was on course and on altitude. After a few mins with no comment from center, we tested our communications receiver with the communications test button and it seemed to be ok. After a few mins we called center and checked in and were advised that center had been trying continuously to call us and ask if we had seen the fgt's go by. After a few more mins, we were given a frequency change and I heard a technician from center giving test calls on the frequency. I later asked my company ATC liaison to check with center and find out what happened. I was advised that the fgt's had busted out of their practice area and that my flight was on course and operating as cleared. As for the radio calls, we were advised that center had been having trouble with that frequency and they thought their transmitter had failed. As for a recommendation as to how a recurrence like this can be prevented, I can only suggest that the controller controling military tactical flts use an attention getter (ie, whistle, siren, bells, etc) to alert military flts in emergency situations. If I can be of any further service, please phone me at any time.

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Original NASA ASRS Text

Title: MLG CAME IN CLOSE PROX TO A FLT OF 4 FGT'S DUE TO SPILL OUT.

Narrative: I WAS CAPT ON MLG ON XXX, ENRTE FROM PHL TO MIA. WHILE IN CRUISE AT 35000' APPROX 40 MI S OF CHARLESTON, SC, I WAS HANGING UP MY PAX P/A MIC AFTER HAVING MADE AN ANNOUNCEMENT, WHEN I SAW 4 FGT TYPE ACFT IN MY 10 O'CLOCK POS. THEY WERE MOVING TO MY 8 O'CLOCK POS IN STEEP BANKS TURNING AWAY FROM ME WITH SOME OF THE ACFT EVIDENTLY PULLING HIGH G-LOADS AS VAPOR TRAILS WERE COMING FROM THEIR WING TIPS. RADIO TFC WAS DEAD QUIET AS IT NORMALLY IS AFTER SOMETHING LIKE THIS HAPPENS. I CHKED TO BE SURE THAT MY FLT WAS ON COURSE AND ON ALT. AFTER A FEW MINS WITH NO COMMENT FROM CENTER, WE TESTED OUR COMS RECEIVER WITH THE COMS TEST BUTTON AND IT SEEMED TO BE OK. AFTER A FEW MINS WE CALLED CENTER AND CHKED IN AND WERE ADVISED THAT CENTER HAD BEEN TRYING CONTINUOUSLY TO CALL US AND ASK IF WE HAD SEEN THE FGT'S GO BY. AFTER A FEW MORE MINS, WE WERE GIVEN A FREQ CHANGE AND I HEARD A TECHNICIAN FROM CENTER GIVING TEST CALLS ON THE FREQ. I LATER ASKED MY COMPANY ATC LIAISON TO CHK WITH CENTER AND FIND OUT WHAT HAPPENED. I WAS ADVISED THAT THE FGT'S HAD BUSTED OUT OF THEIR PRACTICE AREA AND THAT MY FLT WAS ON COURSE AND OPERATING AS CLRED. AS FOR THE RADIO CALLS, WE WERE ADVISED THAT CENTER HAD BEEN HAVING TROUBLE WITH THAT FREQ AND THEY THOUGHT THEIR XMITTER HAD FAILED. AS FOR A RECOMMENDATION AS TO HOW A RECURRENCE LIKE THIS CAN BE PREVENTED, I CAN ONLY SUGGEST THAT THE CTLR CTLING MIL TACTICAL FLTS USE AN ATTN GETTER (IE, WHISTLE, SIREN, BELLS, ETC) TO ALERT MIL FLTS IN EMER SITUATIONS. IF I CAN BE OF ANY FURTHER SVC, PLEASE PHONE ME AT ANY TIME.

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.