AD 2025-07756
Published 2025-05-06 · 12 models · 125 US-registered tails affected · Federal Register
Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers Federal Register ↗
Abstract
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Thommen Aircraft Equipment AG (THOMMEN) AC32 Digital Air Data Computers (ADCs). As published, there were typographical errors in the some of the aircraft models in the applicability table. This document corrects those errors. In all other respects, the original document remains the same.
Applicability · by US fleet size
- BELL 212 TCDS H4SW 54 tails
- BELL 412EP TCDS H4SW 24 tails
- BELL 222 TCDS H9SW 15 tails
- BELL 412 TCDS H4SW 12 tails
- BELL HELICOPTER TEXTRON 212 TCDS H4SW 5 tails
- LEONARDO S P A A109S 3 tails
- LEONARDO S P A AW189 3 tails
- AIRBUS HELICOPTERS AS332L1 TCDS H4EU 3 tails
- COLUMBIA HELICOPTERS 107-II TCDS 1H16 2 tails
- AIRBUS HELICOPTERS AS332L2 TCDS H4EU 2 tails
- C A S A 212 1 tails
- GULFSTREAM AEROSPACE 550 1 tails
Federal Register text
Verbatim; the Federal Register publication is the legally binding document. Cite: 90 FR 19121. View on Federal Register ↗
[Federal Register Volume 90, Number 86 (Tuesday, May 6, 2025)] [Rules and Regulations] [Pages 19121-19122] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2025-07756]
======================================================================== Rules and Regulations Federal Register ________________________________________________________________________ This section of the FEDERAL REGISTER contains regulatory documents having general applicability and legal effect, most of which are keyed to and codified in the Code of Federal Regulations, which is published under 50 titles pursuant to 44 U.S.C. 1510. The Code of Federal Regulations is sold by the Superintendent of Documents. ========================================================================
Federal Register / Vol. 90, No. 86 / Tuesday, May 6, 2025 / Rules and Regulations
[[Page 19121]]
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2024-2322; Project Identifier MCAI-2024-00065-Q; Amendment 39-23002; AD 2025-07-01] RIN 2120-AA64
Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule; correction.
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SUMMARY: The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Thommen Aircraft Equipment AG (THOMMEN) AC32 Digital Air Data Computers (ADCs). As published, there were typographical errors in the some of the aircraft models in the applicability table. This document corrects those errors. In all other respects, the original document remains the same.
DATES: This correction is effective May 15, 2025. The effective date of AD 2025-07-01 remains May 15, 2025. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of May 15, 2025 (90 FR 15304, April 10, 2025).