Caravan Undifferentiated
Flight Crew Air Transport Pilot (ATP)
Physiological - Other
Aircraft Equipment Problem Critical; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor; Flight Deck / Cabin / Aircraft Event Illness / Injury
Aircraft; Company Policy; Human Factors
IFR flight plan in IMC at night. Cruising at 11;000 in visible moisture; OAT 0*C. TKS anti ice system on; vents closed; heater on. Noted cooked TKS odor in cockpit immediately after turning on TKS system. Immediate difficulty breathing; tightness in chest; later in flight noted chemical film on lips; bad taste in mouth; throat irritation; and voice became raspy. Symptoms of TKS exposure as noted on TKS 406B MSDS.
A C-208 pilot reported suffering symptoms of TKS exposure consistent with those noted on the TKS 406B MSDS (Material Safety Data Sheet).