Welcome to our Terms and Definitions Feedback Form!

Just as with every other publisher of rapidly evolving, complex content, occasionally there are things that we can improve upon. Sometimes the reasons for this are technical and sometimes they're not. What makes our materials and system unique is that, thanks to this direct link to our editorial team which you are now using, we can rapidly consider and incorporate your feedback. We hope that you can appreciate that we have this system in place not because our stuff is shoddy, but, rather, because it is good.

We gladly and sincerely welcome constructive, considered, and, where possible, cross-referenced feedback on specific items of content using the form below.

  • This is not the place for technical or customer support requests! We'll be happy to hear from you on such issues via our Online Helpdesk. Please use this form only to provide feedback relating specifically to one very particular piece of content (such as a single term/definition) as your message here will go to our editorial team only, not our technical or customer support staff. You will not receive a timely response (and in fact might get none at all) if you submit such a message through this system instead of via our helpdesk.
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Here is the current term:  If below it different substantially compared to how it appears in your app/software, be sure to update your software/app's content prior to using this form.
Special Airworthiness Certificate
A special airworthiness certificate is an airworthiness certificate that is not sufficient to allow an aircraft to be used in commercial passenger or cargo operations. In the USA a special airworthiness certificate is issued in one or more of the following categories:
  • Primary - Aircraft flown for pleasure and personal use
  • Restricted - Aircraft with a "restricted" category type certificate, including:
    • Agricultural
    • Forest and wildlife conservation
    • Aerial surveying
    • Patrolling (pipelines, power lines)
    • Weather control
    • Aerial advertising
    • Other operations specified by the Administrator
  • Multiple - Multiple airworthiness certificates
  • Limited - Multiple airworthiness certificates
  • Light-Sport - Operate a light-sport aircraft, other than a gyroplane, kit-built, or transitioning ultralight like vehicle
  • Experimental
    • Research and development - an aircraft whose purpose is to test new design concepts, equipment, or operating techniques
    • Showing compliance with regulations - a prototype aircraft that is built for the purposes of demonstrating the airworthiness of a design
    • Crew training - an aircraft used solely for training that, for some reason, does not have a standard certificate (e.g. the NASA Shuttle Training Aircraft)
    • Exhibition
    • Air racing
    • Market surveys - a sales demonstration aircraft
    • Operating amateur-built aircraft
    • Operating kit-built aircraft
    • Operating light-sport aircraft
    • Unmanned Aircraft Systems
  • Special Flight Permit - Special-purpose flight of an aircraft that is capable of safe flight
  • Provisional - Aircraft with a "provisional" category type certificate for special operations and operating limitations
source: Wikitionary / Wikipedia and Related Sources (Edited)
Please do not use this form to tell us that the definition you saw doesn't necessarily match the context where you saw it. We use an automated keyword-based system to match the tens of thousands of definitions in our glossaries with our material. Sometimes, when a term has more than one meaning or use or when an abbreviation might stand for more than one thing or resemble a 'normal' word, this results in a definition for a term being shown that doesn't necessarily match the context. Please do not report such issues here. Rather, please use your best judgment to evaluate whether such definitions apply to what you're reading. If the answer is 'no' but nevertheless you feel the term doen't have a good definition in our system but should, please go back and find the 'suggest a term' link in the app. Thanks!
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