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An ATP rated pilot loses spatial orientation in IMC resulting in momentary loss of aircraft control including a stall, loss of altitude and heading control.
| Attributes | |
| ACN | 530195 |
| Time | |
| Date | 200111 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : clw.airport |
| State Reference | FL |
| Altitude | msl single value : 9000 |
| Environment | |
| Flight Conditions | IMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : tpa.tracon |
| Operator | general aviation : personal |
| Make Model Name | Cardinal 177/177RG |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 10000 flight time type : 400 |
| ASRS Report | 530195 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter : weather other anomaly other spatial deviation |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : became reoriented flight crew : regained aircraft control |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
Narrative:
During climb out from clw, I was climbing from 8000-10000 ft MSL to get on top of the WX, while in the climb I became disoriented and lost heading control and altitude control. I believe I had a case of the leans after the initial loss of control, which made it harder to recover. The event occurred while IMC and the aircraft was probably stalled. I recovered the aircraft while still IMC with a loss of altitude at approximately 500 ft and loss of heading control of +/-60 degrees.
Original NASA ASRS Text
Title: AN ATP RATED PLT LOSES SPATIAL ORIENTATION IN IMC RESULTING IN MOMENTARY LOSS OF ACFT CTL INCLUDING A STALL, LOSS OF ALT AND HDG CTL.
Narrative: DURING CLBOUT FROM CLW, I WAS CLBING FROM 8000-10000 FT MSL TO GET ON TOP OF THE WX, WHILE IN THE CLB I BECAME DISORIENTED AND LOST HDG CTL AND ALT CTL. I BELIEVE I HAD A CASE OF THE LEANS AFTER THE INITIAL LOSS OF CTL, WHICH MADE IT HARDER TO RECOVER. THE EVENT OCCURRED WHILE IMC AND THE ACFT WAS PROBABLY STALLED. I RECOVERED THE ACFT WHILE STILL IMC WITH A LOSS OF ALT AT APPROX 500 FT AND LOSS OF HDG CTL OF +/-60 DEGS.
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.