Narrative:

The 'fever one' arrival was implemented aug/xa/98 with a crossing restr of curle at 6000 ft. This STAR was planned with turboprop aircraft maintaining ATC assigned altitude until 18 DME northeast of glen rose VOR. This distance was picked as appropriate since it was 3 mi inside approach airspace, allowing minimum separation to be maintained from aircraft within center airspace. We were briefed to this effect. On aug/xc/98, the third day of use of the fever one, while I was explaining the purpose of the STAR to a trainee, the trainee asked where it specified 'northeast of glen rose.' the note reads as follows: 'note: aircraft assigned above 6000 ft, maintain last ATC assigned altitude until glen rose 18 DME.' simply put, all of us were conditioned to expect the 'northeast' restr, so we all read it that way! Turboprops on the fever one cross into approach at 10000 ft or 9000 ft in a south flow or 7000 ft and 6000 ft in a north flow. Luckily, most of the time prior to our discovery, we were landing north. However, I clearly recall at least 2 sits, on aug/xx/98 where aircraft on the fever one crossed over traffic at the glen rose VOR at or above 6000 ft. With this error, no separation was assured!

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Original NASA ASRS Text

Title: ZFW ARTCC CTLR IDENTS POINT OF POSSIBLE CONFUSION ON NEW ISSUE STAR INTO DFW. A STAND ALONE RESTR IS SHOWN -- ACFT ASSIGNED ABOVE 6000 FT, MAINTAIN LAST ATC ASSIGNED ALT UNTIL 18 DME JEN. BUT THE DIRECTION ON WHICH RTE FROM JEN VOR IS NOT SPECIFIED, THEREFORE POSSIBLY LEADING TO PLT CONFUSION FOR EARLY DSCNT, OR NOT DSNDING. 18 DME ALLEGEDLY AN AIRSPACE RESTR.

Narrative: THE 'FEVER ONE' ARR WAS IMPLEMENTED AUG/XA/98 WITH A XING RESTR OF CURLE AT 6000 FT. THIS STAR WAS PLANNED WITH TURBOPROP ACFT MAINTAINING ATC ASSIGNED ALT UNTIL 18 DME NE OF GLEN ROSE VOR. THIS DISTANCE WAS PICKED AS APPROPRIATE SINCE IT WAS 3 MI INSIDE APCH AIRSPACE, ALLOWING MINIMUM SEPARATION TO BE MAINTAINED FROM ACFT WITHIN CTR AIRSPACE. WE WERE BRIEFED TO THIS EFFECT. ON AUG/XC/98, THE THIRD DAY OF USE OF THE FEVER ONE, WHILE I WAS EXPLAINING THE PURPOSE OF THE STAR TO A TRAINEE, THE TRAINEE ASKED WHERE IT SPECIFIED 'NE OF GLEN ROSE.' THE NOTE READS AS FOLLOWS: 'NOTE: ACFT ASSIGNED ABOVE 6000 FT, MAINTAIN LAST ATC ASSIGNED ALT UNTIL GLEN ROSE 18 DME.' SIMPLY PUT, ALL OF US WERE CONDITIONED TO EXPECT THE 'NE' RESTR, SO WE ALL READ IT THAT WAY! TURBOPROPS ON THE FEVER ONE CROSS INTO APCH AT 10000 FT OR 9000 FT IN A S FLOW OR 7000 FT AND 6000 FT IN A N FLOW. LUCKILY, MOST OF THE TIME PRIOR TO OUR DISCOVERY, WE WERE LNDG N. HOWEVER, I CLRLY RECALL AT LEAST 2 SITS, ON AUG/XX/98 WHERE ACFT ON THE FEVER ONE CROSSED OVER TFC AT THE GLEN ROSE VOR AT OR ABOVE 6000 FT. WITH THIS ERROR, NO SEPARATION WAS ASSURED!

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.