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C560XL captain reported setting the wrong altimeter setting on approach which resulted in an altitude deviation.
| Attributes | |
| ACN | 1100563 |
| Time | |
| Date | 201307 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.ARTCC |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Citation Excel (C560XL) |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Initial Approach |
| Route In Use | Direct |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Altimeter |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 125 Flight Crew Total 11600 Flight Crew Type 500 |
| Events | |
| Anomaly | Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Published Material / Policy |
Narrative:
The first officer had asked me to take the communication radio responsibilities while he listened to the AWOS advisory. I listened in; and heard; I thought; an altimeter setting of 29.96' hg; and set that into the standby altimeter. We had descended to 4;600 ft MSL; and shortly after level off were warned of a low altitude alert by approach. We checked our altimeters to see a 'solid' 4;600 ft and queried the controller about the altimeter setting. He said it was 29.76' hg; and that we showed at somewhere around 4;200 ft MSL; I believe. We reset the altimeters to 29.76' hg and climbed the couple of hundred feet back to 4;600 ft MSL. Then we re-tuned the AWOS to listen again to find that the actual setting was 29.76' hg. I had miss-heard the setting; and set the incorrect setting into the standby altimeter.
Original NASA ASRS Text
Title: C560XL Captain reported setting the wrong altimeter setting on approach which resulted in an altitude deviation.
Narrative: The First Officer had asked me to take the communication radio responsibilities while he listened to the AWOS advisory. I listened in; and heard; I thought; an altimeter setting of 29.96' Hg; and set that into the standby altimeter. We had descended to 4;600 FT MSL; and shortly after level off were warned of a low altitude alert by Approach. We checked our altimeters to see a 'solid' 4;600 FT and queried the Controller about the altimeter setting. He said it was 29.76' Hg; and that we showed at somewhere around 4;200 FT MSL; I believe. We reset the altimeters to 29.76' Hg and climbed the couple of hundred feet back to 4;600 FT MSL. Then we re-tuned the AWOS to listen again to find that the actual setting was 29.76' Hg. I had miss-heard the setting; and set the incorrect setting into the standby altimeter.
Data retrieved from NASA's ASRS site as of July 2013 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.