Narrative:

Flight 5/90, clt-sfo, descending into sfo westbound to mod VOR. Being vectored and assigned 250 KIAS, given locke arrival to sfo, we found that the locke arrival is not in our RNAV/FMC data base. While bldg the arrival into FMC (with first officer reading data and captain inputting FMC) found aircraft no longer in autothrottle speed mode, and airspeed up to 290 KIAS. Began reducing back to 250 KTS as controller asked about our speed. Continued descent west of modesto in FMC VNAV mode with clearance to cross locke intersection at 10000'. Controller asked us during descent if we would make the restriction; first officer affirmed we would. A minute or so later I told first officer to tune in scaggs isle VORTAC and verify our position. We found we were at locke, not the 10-12 mi southeast shown by FMC. Controller then told us we were at locke. Our altitude was approximately 14000'. I acknowledged our error on the radio and extended the speed brakes, hurrying down to 10000'. After stabilized at 10000', I had the first officer check the position we had put into the FMC for locke. We found that he had given me the distance from upend to locke, rather than the mileage of locke from scaggs isle VORTAC. Recommendations: airline should provide complete data base in RNAV (FMC). When necessary to build date, one pilot builds into FMC while other monitors aircraft. Second pilot then verified validity of new data by checking latitude/long coordinates before data is activated. Use VORTAC backup as soon as altitude restrictions are issued. Supplemental information from acn 146837: cockpit workload WX, sb am, walkup call to start this trip.

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Original NASA ASRS Text

Title: ACR MLG ALT DEVIATION ALT UNDERSHOT. ALT CROSSING RESTRICTION NOT MET.

Narrative: FLT 5/90, CLT-SFO, DSNDING INTO SFO WBND TO MOD VOR. BEING VECTORED AND ASSIGNED 250 KIAS, GIVEN LOCKE ARR TO SFO, WE FOUND THAT THE LOCKE ARR IS NOT IN OUR RNAV/FMC DATA BASE. WHILE BLDG THE ARR INTO FMC (WITH F/O READING DATA AND CAPT INPUTTING FMC) FOUND ACFT NO LONGER IN AUTOTHROTTLE SPD MODE, AND AIRSPD UP TO 290 KIAS. BEGAN REDUCING BACK TO 250 KTS AS CTLR ASKED ABOUT OUR SPD. CONTINUED DSNT W OF MODESTO IN FMC VNAV MODE WITH CLRNC TO CROSS LOCKE INTXN AT 10000'. CTLR ASKED US DURING DSNT IF WE WOULD MAKE THE RESTRICTION; F/O AFFIRMED WE WOULD. A MINUTE OR SO LATER I TOLD F/O TO TUNE IN SCAGGS ISLE VORTAC AND VERIFY OUR POS. WE FOUND WE WERE AT LOCKE, NOT THE 10-12 MI SE SHOWN BY FMC. CTLR THEN TOLD US WE WERE AT LOCKE. OUR ALT WAS APPROX 14000'. I ACKNOWLEDGED OUR ERROR ON THE RADIO AND EXTENDED THE SPD BRAKES, HURRYING DOWN TO 10000'. AFTER STABILIZED AT 10000', I HAD THE F/O CHK THE POS WE HAD PUT INTO THE FMC FOR LOCKE. WE FOUND THAT HE HAD GIVEN ME THE DISTANCE FROM UPEND TO LOCKE, RATHER THAN THE MILEAGE OF LOCKE FROM SCAGGS ISLE VORTAC. RECOMMENDATIONS: AIRLINE SHOULD PROVIDE COMPLETE DATA BASE IN RNAV (FMC). WHEN NECESSARY TO BUILD DATE, ONE PLT BUILDS INTO FMC WHILE OTHER MONITORS ACFT. SECOND PLT THEN VERIFIED VALIDITY OF NEW DATA BY CHKING LAT/LONG COORDINATES BEFORE DATA IS ACTIVATED. USE VORTAC BACKUP AS SOON AS ALT RESTRICTIONS ARE ISSUED. SUPPLEMENTAL INFO FROM ACN 146837: COCKPIT WORKLOAD WX, SB AM, WALKUP CALL TO START THIS TRIP.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.