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A C208 pilot is asked by maintenance to use the tks anti icing system in flight to see if the cockpit sealing procedures were effective. They were not and the reporter develops the typical tks exposure symptoms; headache; general fatigue; slight nausea; throat irritation; breathing restriction and lightheadedness.
| Attributes | |
| ACN | 1221005 |
| Time | |
| Date | 201411 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Caravan 208B |
| Flight Phase | Cruise |
| Component | |
| Aircraft Component | Ice/Rain Protection System |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Flight Deck / Cabin / Aircraft Event Illness |
Narrative:
Maintenance asked that I check the tks system to see if the cockpit sealing procedures were effective. The onset of my typical tks fume/vapor reaction was delayed several minutes; but I experienced the same symptoms as previous tks exposure events. Headache; general fatigue; slight nausea; throat irritation; breathing restriction and lightheadedness. The lightheadedness and feeling jittery precluded me from driving for about 30 minutes. After reviewing the material safety data sheet for tks which advises seeking medical attention; I went to urgent care. By the time a doctor could see me the chest burning sensation had subsided. The dr. Noted throat irritation; but clear lungs. This was about 2 hours after the onset of symptoms in the aircraft. Always use the oxygen mask when using tks. Don't even test the system without first donning the mask.
Original NASA ASRS Text
Title: A C208 pilot is asked by Maintenance to use the TKS anti icing system in flight to see if the cockpit sealing procedures were effective. They were not and the reporter develops the typical TKS exposure symptoms; headache; general fatigue; slight nausea; throat irritation; breathing restriction and lightheadedness.
Narrative: Maintenance asked that I check the TKS system to see if the cockpit sealing procedures were effective. The onset of my typical TKS fume/vapor reaction was delayed several minutes; but I experienced the same symptoms as previous TKS exposure events. Headache; general fatigue; slight nausea; throat irritation; breathing restriction and lightheadedness. The lightheadedness and feeling jittery precluded me from driving for about 30 minutes. After reviewing the Material Safety Data Sheet for TKS which advises seeking medical attention; I went to Urgent Care. By the time a Doctor could see me the chest burning sensation had subsided. The Dr. noted throat irritation; but clear lungs. This was about 2 hours after the onset of symptoms in the aircraft. Always use the oxygen mask when using TKS. Don't even test the system without first donning the mask.
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.