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Altitude deviation altitude overshot -- air carrier crew fails to engage autoplt altitude hold and descends below assigned altitude.
| Attributes | |
| ACN | 303776 |
| Time | |
| Date | 199505 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : dtw |
| State Reference | MI |
| Altitude | msl bound lower : 13700 msl bound upper : 14000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tracon : dtw |
| Operator | common carrier : air carrier |
| Make Model Name | B727 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 20000 flight time type : 150 |
| ASRS Report | 303776 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Descended through my assigned altitude by no more than 300 ft. I failed to get the altitude hold to engage on autoplt. The company I fly 727's for has 4 or 5 different autoplts.
Original NASA ASRS Text
Title: ALTDEV ALT OVERSHOT -- ACR CREW FAILS TO ENGAGE AUTOPLT ALT HOLD AND DSNDS BELOW ASSIGNED ALT.
Narrative: DSNDED THROUGH MY ASSIGNED ALT BY NO MORE THAN 300 FT. I FAILED TO GET THE ALT HOLD TO ENGAGE ON AUTOPLT. THE COMPANY I FLY 727'S FOR HAS 4 OR 5 DIFFERENT AUTOPLTS.
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.