A COURSE DEV ON THE SKEBER RNAV 2 ARR TO LAS; NEV. QUICKLY CORRECTED BY ATC.

Date: 2003-02 · Aircraft: B737-300 · Phase: descent

Anomalies: aircraft-equipment-problem-less-severe|deviation-track-heading-all-types|deviation-discrepancy-procedural-clearance|deviation-discrepancy-procedural-published-material-policy|other-fms-data-base

Synopsis

A COURSE DEV ON THE SKEBER RNAV 2 ARR TO LAS; NEV. QUICKLY CORRECTED BY ATC.

Narrative

COURSE DEV INBOUND TO LAS ON THE SKEBR ARR. I; FO; SELECTED THE ILS RWY 25L; THEN HIT LEGS PAGE TO CLOSE THE DISCONTINUITY UP. WHEN I DID THIS 'SHAND' WAS ON THE LEGS PAGE. KNOWING WE WOULD NOT GO THERE; I SELECTED THE GS RWY 25L AND CLOSED THE 'DISCONTINUITY;' NOT REALIZING THAT THE 'KEPEC; IPUMY AND POVOC' WERE NOT IN THE BOX. I DISCOVERED IT THE SAME TIME THE CTLR DID AND TURNED L TO A HDG OF 340 DEGS. FACTORS -- CAPT LOADED THE BOX; AND I DID NOT CHK THE TRANSITION; AND WHEN SELECTING RWY 25L; THE BOX DOESN'T PROMPT THE TRANSITION. WHEN LOADING THE BOX WITH ONTLAS01; IT WILL LOAD TO SKEBR. PREVENTION: ALWAYS DOUBLECHK AND VERIFY WHAT HAS BEEN ENTERED INTO THE BOX. WHEN SELECTING A RWY; MAKE SURE IT INCLUDES A TRANSITION OR WHATEVER APPROPRIATE FIXES ARE ON THE ARR. NOW THAT WE SELECT THE RWY 25L TRANSITION INTO LAS; IT SEEMS THE BOX SHOULD LOAD THE APPROPRIATE FIXES. ONCE AGAIN; IT ALL HAS TO BE VERIFIED BY 'BOTH' PLTS. SUPPLEMENTAL INFO FROM ACN 572578: WHAT I NOTED: WE HAD ARR AND RWY 25L LOADED. IT LOOKED CORRECT AT BOTH ENDS; BUT I FAILED TO NOTE KEPEC; IPUMY; POVOC; AND KIMME INTXNS WERE MISSING. INTERESTING NOTES: I LOADED THE FMC AGAIN TO TRY TO FIND MY ERROR AND FOUND 3 RTES. 1) LOAD COMPANY RTE; THEN ADD RWY 25L; WE GET THE MISSING INTXNS. 2) LOAD ARR AND RWY 25L; AND WE GET THE WRONG INTXNS (SHAND) AND NO KEPEC. 3) IF YOU LOAD ARR; RWY 25L AND DAG TRANSITION; IT WILL LOAD CORRECTLY. CONCLUSION: VERIFY; VERIFY; VERIFY. I WATCHED THE FO INPUT THE CORRECT DATA; BUT THE OUTPUT WAS NOT AS EXPECTED.

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