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A BE1900 crew in ZHU airspace admitted that they did not reset their altimeter after passing FL180, causing them to understood their assigned altitude of FL210.
| Attributes | |
| ACN | 494067 |
| Time | |
| Date | 200012 |
| Day | Tue |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | navaid : btr.vortac |
| State Reference | LA |
| Altitude | msl bound lower : 20500 msl bound upper : 21000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Dawn |
| Aircraft 1 | |
| Controlling Facilities | artcc : zhu.artcc tower : bur.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Beech 1900 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other vortac |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 250 flight time total : 540 flight time type : 280 |
| ASRS Report | 494067 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine pilot : cfi pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 5280 flight time type : 2700 |
| ASRS Report | 494070 |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : published procedure non adherence : clearance non adherence other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued advisory flight crew : returned to assigned altitude |
| Consequence | faa : reviewed incident with flight crew other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
After leveling off at FL210, ATC (ZHU) asked us if we were level because we were showing 500 ft low. The captain and I noticed we had not reset the altimeters to 29.92 from 30.41. We reset our altimeters and climbed to FL210. A FL180 check would decrease the possibility of this happening again.
Original NASA ASRS Text
Title: A BE1900 CREW IN ZHU AIRSPACE ADMITTED THAT THEY DID NOT RESET THEIR ALTIMETER AFTER PASSING FL180, CAUSING THEM TO UNDERSTOOD THEIR ASSIGNED ALT OF FL210.
Narrative: AFTER LEVELING OFF AT FL210, ATC (ZHU) ASKED US IF WE WERE LEVEL BECAUSE WE WERE SHOWING 500 FT LOW. THE CAPT AND I NOTICED WE HAD NOT RESET THE ALTIMETERS TO 29.92 FROM 30.41. WE RESET OUR ALTIMETERS AND CLBED TO FL210. A FL180 CHK WOULD DECREASE THE POSSIBILITY OF THIS HAPPENING AGAIN.
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.