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A C208 pilot described his physiological 'buzzed' feeling after exposure to tks anti-ice fluid in flight during freezing IMC conditions.
| Attributes | |
| ACN | 1323399 |
| Time | |
| Date | 201601 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | IMC |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Caravan 208B |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Ice/Rain Protection System |
| Person 1 | |
| Function | Single Pilot |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Published Material / Policy Flight Deck / Cabin / Aircraft Event Illness Inflight Event / Encounter Weather / Turbulence |
Narrative:
Aircraft departed IFR into low IMC conditions with full tank of tks fluid. Aircraft was IMC entire flight. Tks system was on; aircraft encountered light icing while enroute to my filed destination. Pilot noted several symptoms consistent with tks exposure warnings on msds; such as a 'buzzed' feeling at the time of exiting the aircraft after landing. By end of flight; it took more concentration than normal to read back ATC instructions; complete approach in weather; and taxi around busy major airport; aircraft landed with 5 gallons remaining of tks fluid; enough for approximately 19 minutes of icing capabilities remaining at middle setting. Pilot was coughing after flight; not before; and voice had become raspy during flightaircraft has no range in IMC conditions due to tks quantity and middle setting having approximately a range of 1:20 minutes. Tks has already been confirmed inside tks caravan aircraft type.
Original NASA ASRS Text
Title: A C208 pilot described his physiological 'buzzed' feeling after exposure to TKS anti-ice fluid in flight during freezing IMC conditions.
Narrative: Aircraft departed IFR into low IMC conditions with full tank of TKS fluid. Aircraft was IMC entire flight. TKS system was on; aircraft encountered light icing while enroute to my filed destination. Pilot noted several symptoms consistent with TKS exposure warnings on MSDS; such as a 'buzzed' feeling at the time of exiting the aircraft after landing. By end of flight; it took more concentration than normal to read back ATC instructions; complete approach in weather; and taxi around busy major airport; Aircraft landed with 5 gallons remaining of TKS fluid; enough for approximately 19 minutes of icing capabilities remaining at middle setting. Pilot was coughing after flight; not before; and voice had become raspy during flightAircraft has no range in IMC conditions due to TKS quantity and middle setting having approximately a range of 1:20 minutes. TKS has already been confirmed inside TKS Caravan aircraft type.
Data retrieved from NASA's ASRS site 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.