CL65 FMS DEFAULTS TO 'DR' MODE AFTER DEPARTING PHX; RESULTING IN A XING RESTR OVERSHOOT ON THE SILOW SID.
Synopsis
CL65 FMS DEFAULTS TO 'DR' MODE AFTER DEPARTING PHX; RESULTING IN A XING RESTR OVERSHOOT ON THE SILOW SID.
Narrative
DEPARTED PHX ON SILOW 1 DEP. FMS WENT INTO 'DR' MODE AND LOST ITS POS. I FIGURED WE HAD TIME TO FIX THE FMS BEFORE WE REACHED THE 9 DME FIX. THIS IS WHERE A R TURN TO 360 DEGS IS REQUIRED. MY FO WAS UNABLE TO FIX THE PROB AND BY THE TIME WE WENT TO TRADITIONAL GREEN NEEDLES; WE HAD OVERFLOWN OUR FIX BY 4 MI. I STARTED THE TURN AND AT THE SAME TIME; THE ATC CTLR WAS QUITE UPSET AND HAD US TURN TO A 045 DEG HDG. WE TOLD THE CTLR OF OUR FMS PROB. I THEN FIXED THE FMS POS STATUS AND PROCEEDED WITH AN UNEVENTFUL FLT. THE CTLR HAD US CALL REACHING SLC WITH A POSSIBLE 'PLTDEV.' REACHING SLC; I CALLED THE CTLR. HE HAD ALREADY GONE HOME FOR THE DAY. THE ATC CTLR I SPOKE WITH TOOK SOME TIME TO FIGURE OUT WHY I WAS CALLING. SHE FINALLY TOLD ME THAT THE CTLR WHICH WAS WORKING OUR FLT WAS UPSET THAT WE DID NOT 'CHK IN' IN A TIMELY MANNER AND THAT WE FAILED TO TURN N AT THE 9 DME FIX. I AGREED WITH THE LATE TURN AND DID NOT COMMENT ABOUT CHKING IN ON DEP FREQ. SHE TOLD ME THE CASE WAS CLOSED. IN REVIEWING MY ACTIONS; I SHOULD HAVE GONE TO GREEN NEEDLES MUCH QUICKER. I ALSO MADE THE MISTAKE OF THINKING WE HAD 9 MI FROM PHX AND INSTEAD; IT IS FROM PHX; I THOUGHT PHX VOR WAS LOCATED ON THE ARPT. I NOW HAVE A BACK-UP PLAN WHEN IT COMES TO PLT NAV SIDS; ESPECIALLY IF THE ACFT DOES NOT HAVE AN FMS; RADIO FREQS ARE IN STANDBY; AND I AM READY TO QUICKLY GO GREEN NEEDLES. I AM ALSO GOING TO IMMEDIATELY INFORM ATC -- 'NO FMS; CAN YOU CALL MY TURN?' I ALSO LEARNED THAT THINGS HAPPEN QUICK IN A JET.
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.