Stage: Final Publications

Regulatory Agency Final Publications

FAA AC 91-94 Update, Application and Issuance Process for a Letter of Deviation Authority Issued in Accordance With 14 CFR § 91.326

This AC provides information
and guidance on the application and issuance process for obtaining a Letter of Deviation
Authority (LODA) to operate certain aircraft holding limited category and experimental
Special Airworthiness Certificates for compensation or hire while providing flight
training, checking, or testing. The Federal Aviation Administration (FAA) has the
regulatory authority to issue a LODA in accordance with Title 14 of the Code of Federal
Regulations (14 CFR) §§ 91.315, 91.319, and 91.326.

TSO-C63g, Airborne Weather Radar Equipment

his technical standard order (TSO) is for manufacturers applying for a TSO
authorization (TSOA) or letter of design approval (LODA). In it, we (the Federal Aviation
Administration, (FAA)) tell you what minimum performance standards (MPS) your airborne
weather radar equipment must meet for approval and identification with the applicable TSO
marking. This TSO addresses weather detection and ground mapping, forward-looking
windshear detection, forward-looking turbulence detection, atmospheric threat awareness
capability, and high-altitude ice crystal detection. It does not include flight guidance system
functionality in support of an approved windshear detection and avoidance system

US-EU MAG Change 10

the latest US-EU Maintenance Annex Guidance detailing EASA, FAA, and applicant actions required to be taken in order for an FAA-certificated part 145 repair station primarily located in the United States to be approved to EASA Part-145; and for an EASA-Part-145 AMO to be approved to 14 CFR part 145, in accordance with the Agreement. This change provides instructions for compliance with SMS requirements.

Some of the recent changes reflect editorial and administrative changes, however, other areas of change focused on incorporating SMS  are outlined below:

  • New SMS special condition (and EASA supplement requirement)
  • Definition of declaration of compliance and requirements
  • Definition of SMS and SMSVP
  • Revised paragraph adding routine surveillance and including SMS performance
  • Updates to Forms 8, 10, and 16 reflect SMS integration and surveillance roles
  • Revised paragraph adding declaration of compliance and copy of the repair station Vitals showing SMSVP
  • Revised language for parts/modification acceptance referencing TIP paragraph 7.10

FAA InFO24007, Safety Management System (SMS) Requirement for Repair Stations Located in the United States (U.S.) Seeking or Holding European Union Aviation Safety Agency (EASA) Part 145 Certification under the E.U.-U.S. Bilateral Aviation Safety Agreement (BASA)

This InFO serves to inform Title 14 of the Code of Federal Regulations (14 CFR) part 145 repair stations located in the U.S. seeking initial approval (or reinstatement after surrender or suspension) and existing EASA part 145 certificate holders about the requirement to implement a new Special Condition.