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A corporate aircraft failed to reset the altimeter at the FL180 transition, and, thus, failed to level at the assigned altitude.
| Attributes | |
| ACN | 296750 |
| Time | |
| Date | 199502 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : mol |
| State Reference | VA |
| Altitude | msl bound lower : 26600 msl bound upper : 27000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc |
| Operator | general aviation : corporate |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 60 flight time total : 7500 flight time type : 800 |
| ASRS Report | 296750 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude non adherence : clearance non adherence : far other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While cruising at FL270, center advised us that we were 400 ft low. Upon looking at the captain's altimeter I noticed that it was set to the current barometric pressure setting instead of 29.92. I made the correction without incident. We were rushed due to an ill passenger and thus missed the FL180 checklist. In the future we must not get distracted from the task at hand.
Original NASA ASRS Text
Title: A CORPORATE ACFT FAILED TO RESET THE ALTIMETER AT THE FL180 TRANSITION, AND, THUS, FAILED TO LEVEL AT THE ASSIGNED ALT.
Narrative: WHILE CRUISING AT FL270, CTR ADVISED US THAT WE WERE 400 FT LOW. UPON LOOKING AT THE CAPT'S ALTIMETER I NOTICED THAT IT WAS SET TO THE CURRENT BAROMETRIC PRESSURE SETTING INSTEAD OF 29.92. I MADE THE CORRECTION WITHOUT INCIDENT. WE WERE RUSHED DUE TO AN ILL PAX AND THUS MISSED THE FL180 CHKLIST. IN THE FUTURE WE MUST NOT GET DISTRACTED FROM THE TASK AT HAND.
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.