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question about "parts"

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It refers to the different 'parts' of the Code of Federal Regulations, Title 14. Government regulations are organized into Parts. Part 91, Part 135, etc are often incorrectly referred to as FAR 91, 135, etc. There are, technically, not Federal Aviation Regulations, or FARs. They are parts of CFR Title 14, Aeronautics and Space, available online here and here.

Edited by Batman
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The CFR (Code of Federal Regulations) is the USs law.


These include many 'Titles', on all sorts of topics, including 21 Food and Drugs , 34 Education , 27 Alcohol, Tobacco Products and Firearms , etc..etc..


Code Of Federal Regulations List


It just so happens that everything to do with aviation is collected together under 'Title 14 - Aeronautics and Airspace.


Inside Title 14 is subdivided into a number of different Parts. Each Part is a collection of the regulations on a particular topic. While there are many parts which we (pilots) are not interested in, there are some that we should know better than others.


For example, the regulations concerning the certifcation of aircraft are all grouped together. These are mainly in Parts 21 to 29.


Everything to do with maintenance licences is in Part 43..etc..etc..


Some of the Parts refer to the type of training you are doing. Namely Part 61 sets out the 'general' requirements for getting a licence and the standards that licence holders should meet. However, the FAA have authorized some training facilities to train with different requirements to get to the same standards. These are usually lower requirements. This is because the training facility has to be approved by the FAA. Its operation is thoroughly audited and checked before approval. Therefore the FAA are happy for them to train under Part 141 regulations, with the lower requirements. However, this added accountablity makes a 141 training course, very rigid and less flexible than Part 61. This is seen as either a good thing or a bad thing, depending on personal preference.


There are also Parts of CFR 14 which are about the type of flight operation you are doing. The main ones are Part 91, Part 121, Part 135.


Part 91 lays down the 'General Requirements' for all aircraft to follow when flying in the US.


However, if you are flying a scheduled service or receiving money on a regular basis from fare paying pax, then the FAA want different (and usually higher) standards of operation. Of course, they want to protect the public more. So the rules for this type of operation are in the other parts. The names of those parts suggest what sort of operation they are on about.


121 Operating requirements: Domestic, flag, and supplemental operations

135 Operating requirements: Commuter and on-demand operations


For a full list try this


CFR Title 14 Parts 60-139


The job of the pilot (as well as flying) is to ensure that he is operating by the correct set of rules. Unfortunately, ignorance is no defence, so if you don't know your rules, you could be in trouble!


Hope this helps!



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Seems we all duplicated the same links, LOL...


Yes, it does.


However, when I am doing any detailed 'research' on aviation related matters I only use the FAA source.


FAA Source for CFR Title 14


That way, I know I am seeing the most uptodate regulations. I'm sure other sources (especially the GPO) site are pretty uptodate, but I just feel better using that.




Ben's Guide to US Governement

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