AC 120-98 - Operator Requirements for Incorporation of Fuel Tank Flammability Reduction Requirements provides information and describes an acceptable means of compliance for operators to comply with the fuel tank flammability safety requirements of Title 14 of the Code of Federal Regulations (14 CFR) parts 121, 125, 129 and 14 CFR as amended by the 2008 Fuel Tank Flammability Reduction (FTFR) rule
Published
05/07/2009 AC 120-98…
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Advisory Circular 00-58B Voluntary Disclosure Reporting Program provides information and guidance material that may be used by a certificate holder, qualified fractional ownership programs (as defined in paragraph 4e), or a Production Approval Holder (PAH) operating under Title 14 of the Code of Federal Regulations (14 CFR) when voluntarily disclosing to the Federal Aviation Administration (FAA) apparent violations of those FAA regulations listed in paragraph 3. The procedures and practices…
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Advisory Circular 150/5220-23 - Frangible Connections -discusses Frangible Connections which are devices installed at airports that are designed to have minimal mass and absorb a minimal amount of energy during an impact event. In the airport environment, the goal of these objects is to not impede the motion of, or radically alter the path of, an aircraft while minimizing the overall potential for damage during an incident.
This AC covers the…
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Advisory Circular 91-84 – Aircraft Fractional Ownership Programs describes an acceptable means, but not the only means, to apply for and obtain authorization to conduct a fractional ownership program under Title 14 of the Code of Federal Regulations (14 CFR) part 91 subpart K.
This Advisory Circular also provides continuing guidance for a fractional ownership program and the application process for obtaining management specifications (MSpecs) to operate under… Continue reading
Advisory Circular 00-45F - Aviation Weather Services explains U.S. aviation weather products and services. It details the interpretation and application of advisories, coded weather reports, forecasts, observed and prognostic weather charts, and radar and satellite imagery. Product examples and explanations are taken primarily from the Aviation Weather Center’s Aviation Digital Data Service website
Advisory Circular 145-9 Guide for Developing and Evaluating Repair Station and Quality Control Manuals provides information material for all repair station certificate holders or applicants under Title 14 of the Code of Federal Regulations (14 CFR) part 145 to develop and evaluate a Repair Station Manual (RSM) and Quality Control Manual (QCM). This AC describes an acceptable, but not the only means, to develop a manual and comply with the… Continue reading
01/23/2009AC 90-105AC 90-105 Approval Guidance for RNP Operations and Barometric Vertical Navigation in the U.S. National Airspace System…
This AC was developed in conjunction with the FAA’s revision to the airworthiness standards for the issuance of original and amended type certificates (TCs) for airplane propellers. The previous amendment of propeller requirements did not adequately address the technological… Continue reading

AC 120-84 was updated on January 15th, 2009. This change revises this advisory circular (AC) to update references to Title 14 of the Code of Federal Regulations (14 CFR) and Federal Aviation Administration (FAA) Order 8900.1, Flight…
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Air carriers and other certificate holders have cited the ambiguity of existing policies and procedures for developing, substantiating, and documenting maintenance and/or alteration data for civil aviation products. Usually, this confusion arises when a certificate holder performs a maintenance or alteration task (or allows an existing condition to…
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