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An air carrier at FL350 with 3 altimeters set at 29 pt 92 indicate FL359 on the controller's radar scope for a short period of time.
| Attributes | |
| ACN | 356930 |
| Time | |
| Date | 199612 |
| Day | Mon |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : dsm |
| State Reference | IA |
| Altitude | msl bound lower : 35000 msl bound upper : 35900 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zmp |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : flight engineer pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 19000 flight time type : 5000 |
| ASRS Report | 356930 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | none taken : unable |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | other |
Narrative:
Cruising at FL350 with all 3 altimeters at 29.92 and center said they showed us at 35900 ft for a short time then back to FL350.
Original NASA ASRS Text
Title: AN ACR AT FL350 WITH 3 ALTIMETERS SET AT 29 PT 92 INDICATE FL359 ON THE CTLR'S RADAR SCOPE FOR A SHORT PERIOD OF TIME.
Narrative: CRUISING AT FL350 WITH ALL 3 ALTIMETERS AT 29.92 AND CTR SAID THEY SHOWED US AT 35900 FT FOR A SHORT TIME THEN BACK TO FL350.
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.