Airworthiness Directives (ADs) are legally enforceable regulations issued by the FAA in accordance with 14 CFR part 39 to correct an unsafe condition in a product. Part 39 defines a product as an aircraft, engine, propeller, or appliance.
While we endeavor to list the latest Airworthiness Directives below, in the event that we've missed something the most current ADs can be found on the faa.gov website.
Safety Alerts For Operators
Service Bulletins, Letters and Memos
Special Airworthiness Information Bulletins
Supplemental Type Certificates
Below is a list of Type Certificates for several popular models of general aviation aircraft, specifically the makes and models that Univair supports. Clicking on the Type Certificate number will generate a list of STCs from the FAA database relevant to that TC. All links will open in a new window and redirect you to the FAA website.
While we endeavor to keep our TC list up to date, in the event that we've missed something the most current STCs can be found on the FAA website.
Browse our library of technical information regarding supersedures, installation procedures, conversions kits, approval basis, and more. All information is in PDF format and can be downloaded for free. You will need the Adobe Reader to view and print.
Some of the information contained in this section has not been officially reviewed or approved by the FAA, and is offered for informational purposes only.