Introduction to the Regulations Module

Introduction to the Regulations Module

The Regulations module in FOS contains all of the fields necessary to enter duty and rest time requirements by various governing bodies whether private, commercial, or civil and recent experience requirements as well. 

Any regulation may be added to the list of existing regulations and the fields changed within those existing regulations based on the needs of the user and changes in governing rules. 

Access to this module is controlled in the User Data on the ‘General’ tab under the ‘Misc’ section in the field labeled “Regulations”. 

The tab on which the ‘Regulations’ is found in the modern view may vary based on user preference. 


FOS comes with a full suite of FARs which include the regulations to fly under part 91, 135 and 121. Any other regulations will need to be added manually. 

All regulations will be available when creating trips so that you may assign a specific trip or leg to a regulation and have FOS check the crews legality based on the specifics built into the regulation. 

To be useful, each regulation must have a regulation code, a category, and a position. A specific regulation may or may not have a qualification. 

To edit a specific regulation, either double-click on the line for that regulation or with the regulation highlighted, choose the edit button in the navigation bar.


This will open the Regulation Data window.


In the top section are four drop down menus to define the regulation. 

The “Regulation” field defines the character designation for that regulation designated by the governing authority. In the example provided, FAR Part 135 is the designation provided by the U. S. Federal Government for the specific limitations and requirements shown so the code has been set to “135”. 

The “Category” field determines to which type of aircraft this regulation will apply. The “AIRP” code has been selected meaning this will apply to a fixed wing aircraft. Other options are for gliders, lighter than air, and rotocraft. 

The “Position” field determines which crew position this regulation will check when the particular regulation is set in the trip. 

“Reg Qualification” determines if there are any additional standards required under this regulation not covered in normal private flying. This field may or may not be required. For

example, in the United States, flying under Part 91 requires no special qualifications or limitations other than standard flying checks. The equivalent in a non-aviation environment would be having a driver’s license to operate a privately owned vehicle that is not-for-hire. If you were to set a qualification such as “135” it shows that the regulation has specific requirements and/or limitations not included in normal private flying. 

Note: There are currently only two “Reg Quals” listed in FOS by default, 135 and 121. There is no need to add a code for 91 due to the fact that there is no specific qualification required for part 91 operations. If a 91 qualification code has been created, it is recommended that it be removed from the training items, crew qualifications, and regulations. The code should then be set as inactive. 



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