Caravan 208B
Flight Crew Air Transport Pilot (ATP)
Physiological - Other
Aircraft Equipment Problem Less Severe; Flight Deck / Cabin / Aircraft Event Illness / Injury; Flight Deck / Cabin / Aircraft Event Smoke / Fire / Fumes / Odor
General None Reported / Taken
Aircraft; Human Factors
Exposure to toxic fumes and or vapors; TKS fluid. TKS equipped C208 Caravan. Extreme cockpit temperature; 140*+F; TKS fluid in tank in belly pod. TKS aircraft have constant overwhelming chemical odor in heat and pilot noticed on preflight as usual. In flight pilot noticed throat irritation and difficulty breathing; as the Kilfrost TKS 406B MSDS details if exposed to TKS fluid and or its vapors. MSDS warns of danger of vapors in heat. Pilot returned to normal one hour after exiting aircraft. TKS system was not operated. TKS aircraft covered in fluid inside and out permanently and permanent chemical odorMultiple pilots getting sick from TKS system on aircraft. Symptoms incurred by flight crews from being exposed to or breathing TKS fluid; are noted as health warnings on Kilfrost TKS 406B Material Safety Data Sheet. MSDS warns of extreme dangers of repeated exposure.
C208 Captain reports TKS equipped aircraft have a constant overwhelming chemical odor in heat; even when not in use. In flight; the pilot noticed throat irritation and difficulty breathing. The TKS 406B Material Safety Data Sheet warns of extreme dangers of repeated exposure.