As a trike weight-shift control sport pilot applicant, you must take a 40 question multiple-choice test and score 70% or better. There are separate sport pilot knowledge tests for each category of light-sport aircraft (LSA) with unique questions for trike pilots.
FAA knowledge exam sample test questions
The FAA has published a sample of the test questions you can expect to see on the 40-question test. Here is a link to view sample knowledge test questions.
Knowledge exam preparation
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