ON CLBOUT; MLG HAS TCASII RA.

Date: 1994-07 · Aircraft: Commercial Fixed Wing · Phase: climb

Anomalies: conflict-airborne-conflict|other-unspecified

Synopsis

ON CLBOUT; MLG HAS TCASII RA.

Narrative

DURING CLBOUT FROM DEP FROM EWR; AFTER HDOF FROM DEP TO CTR. WE RECEIVED AN RA FROM THE TCASII DURING CLB AS WE REACHED 7000 FT. CLB CLRNC WAS GIVEN TO A HIGHER ALT WHICH I THINK WAS 14000 FT. TCASII IS THE 'DSND' THEN 'DSND NOW' WARNINGS. I DISCONNECTED THE AUTOTHROTTLES; PULLED BOTH PWR LEVERS TO IDLE AND AGGRESSIVELY NOSED THE AIRPLANE DOWN. DURING THIS DSCNT THE AIRSPD INCREASED TO 280 KIAS. AS WE DSNDED THROUGH 6000 FT THE TCASII CHANGED WARNINGS TO MONITOR VERT SPD -- I THEN STARTED LEVELING OFF -- ALT WAS ABOUT 5500 FT. TCASII THEN ISSUED 'CLR OF CONFLICT.' DURING THE DSCNT THE CAPT CALLED CTR; ASKED IF THEY SHOWED THE TFC ON RADAR AND TOLD THEM WE DSNDED BECAUSE OF A TCASII RA WARNING. THE CTLR DID NOT RESPOND ON THE CAPT'S FIRST CALL. HE REPEATED THE CALL AGAIN TO WHICH THE CTLR THEN ANSWERED 'YES YOU HAVE TFC 1 O'CLOCK AT 7500 FT.' (AT THAT TIME THE TCASII HAD ALREADY ISSUED THE 'CLR OF CONFLICT.' CAPT ALSO MENTIONED THAT WE SHOWED HIM AT 7000 FT. AFTER RECEIVING THE 'CLR OF CONFLICT;' I STARTED CLBING TO THE ORIGINALLY CLRED ALT. I NEVER SAW THE TFC. THE CAPT SAID HE WAS CLOSE 1/4 MI HORIZ AND 500 FT VERT. I'M GLAD I RESPONDED QUICKLY TO THE TCASII COMMAND; AND WERE ALREADY DSNDING WHEN THE CAPT SAW THE TFC. IF IT WEREN'T FOR TCASII I MIGHT HAVE NOT BEEN ABLE TO WRITE YOU THIS RPT. MAYBE TCASII IS LETTING SOME CTLRS GET SLOPPY. A SIMPLE VECTOR COULD HAVE PREVENTED OUR FLT PATH INTERSECTING AT THE SAME POINT.

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