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An atx BE20 flight crew hit turbulence that disconnected their autoplt and they lost 400 ft before they could recover.
| Attributes | |
| ACN | 386230 |
| Time | |
| Date | 199711 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sbp |
| State Reference | CA |
| Altitude | msl bound lower : 3600 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zla |
| Operator | common carrier : air taxi |
| Make Model Name | Super King Air 200/Huron |
| Operating Under FAR Part | Part 135 |
| Flight Phase | cruise other |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 180 flight time total : 15500 flight time type : 3000 |
| ASRS Report | 386230 |
| Person 2 | |
| Affiliation | company : air taxi |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : weather non adherence : clearance other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On autoplt, being vectored to sbp when in IMC hit turbulence. Autoplt kicked off, maintained attitude control and lost approximately 400 ft. When out of turbulence, climbed back up to assigned altitude.
Original NASA ASRS Text
Title: AN ATX BE20 FLC HIT TURB THAT DISCONNECTED THEIR AUTOPLT AND THEY LOST 400 FT BEFORE THEY COULD RECOVER.
Narrative: ON AUTOPLT, BEING VECTORED TO SBP WHEN IN IMC HIT TURB. AUTOPLT KICKED OFF, MAINTAINED ATTITUDE CTL AND LOST APPROX 400 FT. WHEN OUT OF TURB, CLBED BACK UP TO 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.