POOR CTLR RADAR VECTOR TECHNIQUE NON COMPLIANCE WITH ATP 7110 PT 65F LOC INTERCEPT ANGLE.

1992-02 · NASA ASRS report 203344

Date: 1992-02 · Aircraft: Military Transport · Phase: approach

Anomalies: other-unspecified

Synopsis

POOR CTLR RADAR VECTOR TECHNIQUE NON COMPLIANCE WITH ATP 7110 PT 65F LOC INTERCEPT ANGLE.

Narrative

I HAD SOME PROBLEMS WITH TERMINOLOGY; STEEP INTERCEPT HDGS (CTR VECTORS) TO THE LOC AT RWI; AND WITH FREQ CHANGES FOR THE ARPT FROM THE CTR CTLR. WE WERE IFR WITH WASHINGTON CTR TRAINING TO SHOOT MULTIPLE ILS APCHS TO RWY 4 AT ROCKY MOUNT-WILSON ARPT (RWI). WE APCHED THE ARPT FROM THE TAR RIVER (TYI) AREA. RWI DOESN'T HAVE AN APCH RADAR; SO WASHINGTON CTR HANDLES IT. ON THE FIRST APCH; WE HAD A PROBLEM WITH TERMINOLOGY AND A STEEP VECTOR TO INTERCEPT. WE WERE ASKED IF WE WANTED TO GO TO 'JAMBE OR TO BELGA FOR THE FULL APCH.' THIS IS INCORRECT TERMINOLOGY BECAUSE JAMBE IS THE IAF FOR THE 'FULL' APCH. BELGA ISN'T AN IAF. A BETTER WAY TO PHRASE THIS MAY HAVE BEEN TO ASK US IF WE WANTED TO GO TO JAMBE FOR THE FULL APCH OR ACCEPT VECTORS TO FINAL. (BELGA IS NOT PART OF THE APCH UNLESS YOU COME FROM KINSTON). WE TOOK HIS VECTORS FOR WHAT I THOUGHT WOULD BE TO INTERCEPT THE ILS FINAL. WHAT IT ENDED UP GETTING US WAS ABOUT A 120 DEG INTERCEPT (300 DEG VECTOR) BEFORE CLRING US FOR THE APCH. WE ACTUALLY HIT THE LOC POINTED AWAY FROM THE FIELD. ON THE SECOND ILS; WE NEVER RECEIVED A FREQ CHANGE AND WERE BELOW RADIO RECEPTION (AND CLOSE TO THE FIELD) BEFORE WE REALIZED THIS. WE THEN IMMEDIATELY EXECUTED OUR CLB OUT INSTRUCTIONS; CHKED IN WITH CTR; AND TRIED ANOTHER ILS APCH. (ANOTHER ACFT WAS IN THE ARPT VICINITY; CAME UP ON CTR FREQ AS HE CLBED OUT; AND MENTIONED HOW WE HADN'T MADE ADVISORY CALLS). ALSO; WE WERE GIVEN A 90 DEG INTERCEPT HDG (APPROX 320 DEGS) ON THIS APCH BEFORE BEING 'CLRED FOR THE APCH.' ON THE THIRD APCH; I HAD TO PROMPT THE CTLR FOR A FREQ CHANGE. HE SAID THE FSS AT RWI WAS CLOSED AND TRIED TO GIVE ME THE RALEIGH FSS FREQ FOR ADVISORIES. WHEN I SAID I NEEDED TO SWITCH TO THE ADVISORY FREQ FOR THE FIELD; HE WANTED ME TO GO TO UNICOM FREQ. I SAID I WAS SUPPOSED TO SWITCH TO THE ADVISORY FREQ THE 'CTAF;' AND THAT I WOULD DO SO. THE INTERCEPT HDG FOR THE LOC WAS AGAIN 90 DEGS (APPROX 320 DEGS). I CALLED THE SUPVR AT WASHINGTON CTR AND DISCUSSED THE ABOVE IMMEDIATELY AFTER THE FLT.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.

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