Aerotoxic Syndrome: A New Occupational Disease?

Pyrolyzed oil leaking through engine oil seals and entering the cabin air has prompted debate about exposure hazards to toxic substances. An investigation of ill-health among aircrew involved in contaminated air events was undertaken. Two studies were conducted to review the ill-health of affected aircrew. Findings were compared with published hazard databases, and relevant literature to assess compatibility with known toxicities. Acute and chronic exposures to thermally degraded substances was confirmed and supported by medical findings and diagnoses. We conclude a reasonable link between aircraft air supplies contaminated by engine oil and fluids and ill-health exists.