10 Apr 2025

✈️New FAA Regulation on Thommen AC32 Digital Air Data Computers

Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers

Summary

The FAA is adopting a new airworthiness directive (AD) for certain THOMMEN AIRCRAFT EQUIPMENT AG (THOMMEN) AC32 Digital Air Data Computers. This AD results from occurrences of AC32 Digital Air Data Computers (ADCs) that stop functioning below certain temperatures. This AD requires replacing an affected AC32 Digital ADC with a serviceable part. The FAA is issuing this AD to address the unsafe condition on these products.

Agencies

  • Transportation Department
  • Federal Aviation Administration

Business Impact ?

$$$ - High

The regulation mandates the replacement of specific digital air data computers, imposing compliance costs on businesses operating affected aircraft. The estimated cost per unit and total costs for U.S. operators are significant, highlighting the financial impact on aviation stakeholders and their potential need to adjust budgets or seek alternatives.

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