37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
Attributes | |
ACN | 335970 |
Time | |
Date | 199605 |
Day | Wed |
Local Time Of Day | 1201 To 1800 |
Place | |
Locale Reference | atc facility : oed |
State Reference | OR |
Altitude | msl bound lower : 10000 msl bound upper : 13000 |
Environment | |
Flight Conditions | Mixed |
Light | Daylight |
Aircraft 1 | |
Controlling Facilities | artcc : zse |
Operator | common carrier : air carrier |
Make Model Name | Commercial Fixed Wing |
Operating Under FAR Part | Part 121 |
Flight Phase | descent other |
Route In Use | arrival other |
Flight Plan | IFR |
Person 1 | |
Affiliation | company : air carrier |
Function | flight crew : first officer |
Qualification | pilot : atp |
Experience | flight time last 90 days : 320 flight time total : 13530 flight time type : 1150 |
ASRS Report | 335970 |
Person 2 | |
Affiliation | company : air carrier |
Function | flight crew : captain oversight : pic |
Qualification | pilot : atp |
Events | |
Anomaly | altitude deviation : crossing restriction not met non adherence : clearance |
Independent Detector | other flight crewa |
Resolutory Action | controller : issued new clearance other |
Consequence | Other |
Supplementary | |
Primary Problem | Flight Crew Human Performance |
Air Traffic Incident | Pilot Deviation |
Narrative:
Center delayed our descent and had a tailwind. Captain dialed in pdx VOR which is an additional 10 mi, while I was off talking to operations. He failed to realize he was going long on crossing moxee at 10000 ft. Aircraft did not have performance management system (which he uses and relies on a lot). When I returned from calling operations I realized we would be 'high' at moxee. I immediately called the center and advised 'will be unable moxee at 10000 ft.' center advised do the best you can and gave us vector to east. Ended up crossing 40 DME fix about 2500 ft high. Human factors, altitude awareness and maintaining 3 to 1 profile is essential. Many pilots don't want to get down 3 mi early because the jet uses more fuel down low. So they delay descent until last possible min. I believe 3 mi early is better than 1 mi late. Captain should have advised me that he had changed my navigation for another frequency. Center should be more vigilant in allowing aircraft to make 3 to 1 profile rather than giving crossing restr and crew having to resort to non-standard descent 5000 FPM with speed brake to make the crossing.
Original NASA ASRS Text
Title: MLG FLC FAILS TO MAKE XING RESTR.
Narrative: CTR DELAYED OUR DSCNT AND HAD A TAILWIND. CAPT DIALED IN PDX VOR WHICH IS AN ADDITIONAL 10 MI, WHILE I WAS OFF TALKING TO OPS. HE FAILED TO REALIZE HE WAS GOING LONG ON XING MOXEE AT 10000 FT. ACFT DID NOT HAVE PERFORMANCE MGMNT SYS (WHICH HE USES AND RELIES ON A LOT). WHEN I RETURNED FROM CALLING OPS I REALIZED WE WOULD BE 'HIGH' AT MOXEE. I IMMEDIATELY CALLED THE CTR AND ADVISED 'WILL BE UNABLE MOXEE AT 10000 FT.' CTR ADVISED DO THE BEST YOU CAN AND GAVE US VECTOR TO E. ENDED UP XING 40 DME FIX ABOUT 2500 FT HIGH. HUMAN FACTORS, ALT AWARENESS AND MAINTAINING 3 TO 1 PROFILE IS ESSENTIAL. MANY PLTS DON'T WANT TO GET DOWN 3 MI EARLY BECAUSE THE JET USES MORE FUEL DOWN LOW. SO THEY DELAY DSCNT UNTIL LAST POSSIBLE MIN. I BELIEVE 3 MI EARLY IS BETTER THAN 1 MI LATE. CAPT SHOULD HAVE ADVISED ME THAT HE HAD CHANGED MY NAV FOR ANOTHER FREQ. CTR SHOULD BE MORE VIGILANT IN ALLOWING ACFT TO MAKE 3 TO 1 PROFILE RATHER THAN GIVING XING RESTR AND CREW HAVING TO RESORT TO NON-STANDARD DSCNT 5000 FPM WITH SPD BRAKE TO MAKE THE XING.
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.