This notice announces the decommissioning of operations
specification (OpSpec)/Letter of Authorization (LOA) A042. This notice contains guidance that
is pertinent to Title 14 of the Code of Federal Regulations (14 CFR) part 125, § 125.221 and
part 135, § 135.227.

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 renewal of National Civil Aviation Agency (ANAC) Brazilian Regulation of Civil Aviation (RBAC) 145 certification, and RBAC 145 maintenance organizations in Brazil seeking initial approval or renewal of 14 CFR part 145 repair station certification, about the upcoming MIP entry into force on October 1, 2024.

This Advisory Circular (AC) provides guidance for documenting the methods used in a flight
safety analysis in accordance with title 14 of the Code of Federal Regulations (14 CFR)
§ 450.115(c). This guidance is not legally binding in its own right and will not be relied upon by
the Federal Aviation Administration (FAA) as a separate basis for affirmative enforcement action
or other administrative penalty. Conformity with the guidance is voluntary only and
nonconformity will not affect rights and obligations under existing statutes and regulations. If you have suggestions for improving this AC, you may use the Advisory Circular Feedback
form at the end of this AC

This advisory circular (AC) provides standards and guidance for electronic signatures, electronic recordkeeping, and electronic manual systems. The standards and guidance contained in this AC apply to those signatures, records, and manuals required by Title 14 of the Code of Federal Regulations (14 CFR) when those items are in a digital or electronic format. This AC describes an acceptable means, but not the only means, for a certificate holder to utilize an electronic signature, electronic recordkeeping, and electronic manual systems