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Flight crew of an light transport air carrier aircraft descended below final approach fix altitude due to an incorrect altimeter setting.
| Attributes | |
| ACN | 260618 |
| Time | |
| Date | 199401 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : cvg |
| State Reference | OH |
| Altitude | msl bound lower : 1950 msl bound upper : 2200 |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : cvg tower : ewr |
| Operator | common carrier : air carrier |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 121 |
| Flight Phase | descent : approach |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : cfi pilot : commercial pilot : private |
| Experience | flight time last 90 days : 220 flight time total : 2500 flight time type : 220 |
| ASRS Report | 260618 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : published procedure other anomaly other other spatial deviation |
| Independent Detector | atc equipment other atc equipment : unspecified other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While on final approach at cvg (ILS 36L) level at 4000 ft, we were encountering moderate rime icing. We were established on the localizer. Upon reaching 11.2 DME we started a descent to 2200 ft as prescribed by the approach procedure. Upon reaching 2200 ft we received an altitude alert from ATC. They then gave us a current altimeter setting of 30.08 (we had 30.27 dialed in). We climbed to 2200 ft and intercepted the GS and landed without further incident.
Original NASA ASRS Text
Title: FLC OF AN LTT ACR ACFT DSNDED BELOW FINAL APCH FIX ALT DUE TO AN INCORRECT ALTIMETER SETTING.
Narrative: WHILE ON FINAL APCH AT CVG (ILS 36L) LEVEL AT 4000 FT, WE WERE ENCOUNTERING MODERATE RIME ICING. WE WERE ESTABLISHED ON THE LOC. UPON REACHING 11.2 DME WE STARTED A DSCNT TO 2200 FT AS PRESCRIBED BY THE APCH PROC. UPON REACHING 2200 FT WE RECEIVED AN ALT ALERT FROM ATC. THEY THEN GAVE US A CURRENT ALTIMETER SETTING OF 30.08 (WE HAD 30.27 DIALED IN). WE CLBED TO 2200 FT AND INTERCEPTED THE GS AND LANDED WITHOUT FURTHER INCIDENT.
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.