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An air carrier F100 crew inserted the wrong mileage into their FMC and consequently did not make a crossing restr.
| Attributes | |
| ACN | 336850 |
| Time | |
| Date | 199605 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : msp |
| State Reference | MN |
| Altitude | agl bound lower : 10000 agl bound upper : 11000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zmp |
| Operator | common carrier : air carrier |
| Make Model Name | Fokker 100 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 336850 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | altitude deviation : undershoot non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : became reoriented |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
ZMP told us to cross 55 mi east of msp VOR at 10000 ft. I was PNF and repeated back 55 mi east at 10000 ft. First officer, who was flying, inserted a waypoint at 50 mi east. We did not notice the error until too late and actually leveled at 10000 ft at about 52 or 53 mi east of msp. No conflict and center said nothing to us about it. This all happened with other distrs including WX and inserting an oddball clearance into the FMS. Need to make sure we read back to each other the mileage when inserting crossing restrs.
Original NASA ASRS Text
Title: AN ACR F100 CREW INSERTED THE WRONG MILEAGE INTO THEIR FMC AND CONSEQUENTLY DID NOT MAKE A XING RESTR.
Narrative: ZMP TOLD US TO CROSS 55 MI E OF MSP VOR AT 10000 FT. I WAS PNF AND REPEATED BACK 55 MI E AT 10000 FT. FO, WHO WAS FLYING, INSERTED A WAYPOINT AT 50 MI E. WE DID NOT NOTICE THE ERROR UNTIL TOO LATE AND ACTUALLY LEVELED AT 10000 FT AT ABOUT 52 OR 53 MI E OF MSP. NO CONFLICT AND CTR SAID NOTHING TO US ABOUT IT. THIS ALL HAPPENED WITH OTHER DISTRS INCLUDING WX AND INSERTING AN ODDBALL CLRNC INTO THE FMS. NEED TO MAKE SURE WE READ BACK TO EACH OTHER THE MILEAGE WHEN INSERTING XING RESTRS.
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.