 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
A lear 35 captain reported that bad WX caused his first officer, the PF, to descend 300 ft below the assigned altitude in the vicinity of mdw.
| Attributes | |
| ACN | 470160 |
| Time | |
| Date | 200004 |
| Day | Tue |
| Local Time Of Day | 0001 To 0600 |
| Place | |
| Locale Reference | airport : mdw.airport |
| State Reference | IL |
| Altitude | msl bound lower : 3700 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Turbulence Rain |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : c90.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Learjet 35 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | descent : approach |
| Route In Use | arrival star : n/s |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : instrument pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 280 flight time total : 4300 flight time type : 1750 |
| ASRS Report | 470160 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : turbulence inflight encounter : weather non adherence : clearance other anomaly |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : regained aircraft control |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Weather |
| Primary Problem | Weather |
Narrative:
My first officer was the PF in IMC, turbulence and rain at night. Due to these conditions, the aircraft lost 300 ft below our assigned altitude.
Original NASA ASRS Text
Title: A LEAR 35 CAPT RPTED THAT BAD WX CAUSED HIS FO, THE PF, TO DSND 300 FT BELOW THE ASSIGNED ALT IN THE VICINITY OF MDW.
Narrative: MY FO WAS THE PF IN IMC, TURB AND RAIN AT NIGHT. DUE TO THESE CONDITIONS, THE ACFT LOST 300 FT BELOW OUR ASSIGNED ALT.
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.