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A DC9 first officer report on a minor altitude deviation, undershooting their assigned altitude with an improperly set altimeter 10 mi south of cgt, il.
| Attributes | |
| ACN | 469610 |
| Time | |
| Date | 200004 |
| Day | Tue |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| State Reference | IL |
| Altitude | msl bound lower : 10800 msl bound upper : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zau.artcc tower : ewr.tower |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude |
| Route In Use | departure : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time total : 4800 |
| ASRS Report | 469610 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : undershoot non adherence : company policies non adherence : published procedure non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued advisory flight crew : returned to assigned altitude flight crew : became reoriented |
| Consequence | Other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Possible altitude deviation with ZAU. Altitude assigned was 11000 ft MSL (captain's altimeter showed 10800 ft, first officer's altimeter showed 10900 ft, altimeter setting was 30.15).
Original NASA ASRS Text
Title: A DC9 FO RPT ON A MINOR ALTDEV, UNDERSHOOTING THEIR ASSIGNED ALT WITH AN IMPROPERLY SET ALTIMETER 10 MI S OF CGT, IL.
Narrative: POSSIBLE ALTDEV WITH ZAU. ALT ASSIGNED WAS 11000 FT MSL (CAPT'S ALTIMETER SHOWED 10800 FT, FO'S ALTIMETER SHOWED 10900 FT, ALTIMETER SETTING WAS 30.15).
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.