The Instrument Airmen Certification Standards (ACS) is a document specifying the aeronautical knowledge, risk management, and flight proficiency standards for the FAA's instrument rating. Pilots seeking to acquire an instrument rating must demonstrate proficiency, in both knowledge and skill, for every task in the ACS. It is the foundational document for the instrument check ride, and every instrument student should know it inside and out.
This website is one student's attempt to prepare for the practical test in a visual pleasing and shareable way. I hope you find it useful! If you see something incorrect, please contact me or open an issue.
PLEASE NOTE: the author of this project is not an authority figure of any sort. I am not an instrument ground instructor, CFII or DPE. The information presented on this website has been procured from various sources, many of which are explicitly cited where appropriate. HOWEVER, my own opinions and preferences are also presented here, and it is left to the reader to determine which information is fact or fiction. Use the cited sources and trust me at your own peril!
To quote the ACS itself:
The ACS consists of Areas of Operation arranged in a logical sequence, beginning with Preflight Preparation and ending with Postflight Procedures. Each Area of Operation includes Tasks appropriate to that Area of Operation. Each Task begins with an Objective stating what the applicant should know, consider, and/or do. The ACS then lists the aeronautical knowledge, risk management, and skill elements relevant to the specific Task, along with the conditions and standards for acceptable performance.
To a great extent, this project seeks to mirror the structure of the ACS. Within
the pages directory there are 8 subdirectories, one per ACS Area of Operation
(AO). Every task within each AO has its own file within the subdirectory. Each
is a .tsx file--i.e. a React file written in
TypeScript. The project uses
Next.js to structure the codebase and build the
application. Separately, each ACS task gets its own .toml file within a
subdirectory of the acs directory.
Pull requests and issues are welcome. To develop locally: clone the repository,
install dependencies and run npm run dev:
git clone git@github.com:milotoor/instrument-acs.git
cd instrument-acs
npm run install
npm run devAlternatively, issues can be reported from the "Issues" tab.