1998-05 · NASA ASRS report 402582
AN MD80 DSNDING INTO STL MISSES THE XING RESTR BECAUSE THE FLC DOES NOT READ THE STAR CHART CORRECTLY.
RECENTLY THE 'CSX CARDINAL' VOR WAS INSTALLED ON STL. AS A RESULT; SOME STARS WERE REVISED. HAVING FLOWN THE RIVERS ARR HUNDREDS OF TIMES; I HAD A VERY STRONG EXPECTATION CONCERNING THE LAYOUT OF THE ARR. I HAD NOT FLOWN THIS ARR SINCE IT WAS CHANGED. I WAS USING A COMMERCIAL CHART 10-2A DATED MAY/XX/98 FOR ST LOUIS. AT THE BOTTOM; IT READ: 'CHANGES: SEE OTHER SIDE.' SINCE I REALIZED THAT THERE WERE CHANGES IN THE ST LOUIS ARRS; I SAID OUT LOUD TO THE FO 'LORLE IS 28 DME.' THIS WAS AN INCORRECT READING OF THE MAP (SEE CHART TO UNDERSTAND HOW THIS COULD HAPPEN) BUT UNFORTUNATELY THE FO CONFIRMED IT. OUR CLRNC WAS TO CROSS LORLE AT 15000 FT. AT APPROX 45 NM; FL190 AND 320 KIAS; ATC ASKED 'WILL YOU MAKE LORLE AT 15000 FT?' I IMMEDIATELY INCREASED DSCNT RATE AND CHKED THE CHART REALIZING MY ERROR AT A GLANCE. WE WERE LEVEL AT 15000 FT NO MORE THAN 3-4 MI PAST LORLE; IF THAT. THIS EXCITEMENT LED TO LESS THAN PERFECT LATERAL TRACKING TOWARD CSX CARDINAL. APCH CTL GAVE US A HDG TO IMPROVE OUR TRACK INBOUND. 1) CHARTS WITH MAJOR CHANGES SHOULD HAVE CHANGES INDICATED BOLDLY FOR MORE THAN 1 REVISION. 2) ATC SHOULD NOT WAIT UNTIL LAST MIN TO ASK ABOUT OP AND SHOULD INCLUDE SPECIFIC INFO SUCH AS LORLE IS 40 DME FROM CARDINAL; I SHOW YOUR ALT AS FL190; CAN YOU MAKE LORLE AT 15000 FT? 3) I SHOULD HAVE CHALLENGED FO WITH 'WHAT DO YOU SHOW AS DME FOR LORLE?' INSTEAD; I SAID A NUMBER WHICH PUT A NUMBER IN HIS HEAD. IN GENERAL; WHEN I WANT A XCHK; I NEVER SAY THE INFO OUT LOUD; INSTEAD I ASK FOR IT. THIS TIME I DID NOT FOLLOW MY OWN POLICY AND THE RESULT WAS NOT GOOD. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE FO WAS DOING ALL THE FLYING. THE CAPT HAD FLOWN THE ARR MANY TIMES BEFORE WHEN IT WAS ASSOCIATED WITH THE STL VOR. BECAUSE THIS ARR WAS CONNECTED WITH THE CSX VOR HE WASN'T AS FAMILIAR WITH IT. HE HAD TO LOOK AT THE ARR CHART TO REMEMBER DISTANCES OF INTXNS FROM THE VOR. THE CAPT READ HOW FAR THE LORLE INTXN WAS FROM CSX AND STATED TO THE FO THAT IT WAS 28 DME. THE CAPT HAD MISREAD THE DISTANCE. HE REPEATED THE INCORRECT DISTANCE TO THE FLYING FO; WHICH WAS NEVER CORRECTED NOR CHALLENGED BY THE FO. WHEN ATC INQUIRED IF THEY WERE GOING TO MAKE THE XING RESTR; IT WAS THEN THE CAPT REALIZED THE ERROR. HE LOOKED AT THE FIGURE FOR DISTANCE BTWN INTXNS AND DID NOT LOOK AT THE FIGURE FOR HOW FAR THE ASSIGNED XING DISTANCE WAS FROM CSX. CAPT IS INTERESTED IN HAVING THE NUMERICAL FIGURES BETTER IDENTED ON THE CHART AS TO WHICH DISTANCE IS TOTAL DISTANCE AND WHICH ONE IS DISTANCE BTWN INTXN.
Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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