Addendum

FAA-H-8083-25C, Pilot’s Handbook of Aeronautical Knowledge—Addendum

Due to the Modernization of Special Airworthiness Certification (MOSAIC) Rule, which was published on July 18, 2025, and is effective October 22, 2025, the FAA created this addendum to the Pilot’s Handbook of Aeronautical Knowledge, FAA-H-8083-25C. Until the revision of FAA- H-8083-25 is published, this addendum is considered part of the current edition of the handbook and should be used as a reference.

The following will be removed from Chapter 1, Introduction to Flying, Aircraft Classifications and Ultralight Vehicles section (Page 1-15) due to the removal of the definition of light-sport aircraft from 14 CFR part 1, section 1.1:

The following will be revised in Chapter 1, Introduction to Flying, Pilot Certifications: Sport Pilot section. (Pages 1-16 & 1-17):

Due to the requirements of 14 CFR part 61, section 61.313, in the first set of bullets on page 1-16, the bullet that states, “Rotorcraft (gyroplane only)” will change to state, “Rotorcraft Gyroplane” and a new bullet will be added that states, “Rotorcraft Helicopter
Simplified Flight Controls: 30 hours.”

Due to the requirements of 14 CFR part 61, section 61.303, in the second set of bullets on page 1-16, the last bullet will change to state, “Hold a valid US driver's license, a valid medical certificate, or comply with BasicMed, except for glider or balloon privileges.”

Due to the addition of 14 CFR part 61, section 61.316, in the “Privileges” subsection on page 1-16, the first bullet will change to state, “Operate as pilot in command of an aircraft that complies with 14 CFR part 61, section 61.316.”

Due to the addition of 14 CFR part 61, section 61.316, in the “Privileges” subsection on page 1-16, the second bullet will change to state, “Carry a passenger (maximum two occupants) and share expenses (fuel, oil, airport expenses, and aircraft rental). ”

Due to the requirements of 14 CFR part 61, section 61.329, in the “Privileges” subsection on page 1-16, the last bullet will have the following text added to the end of the statement:

Due to the requirements of 14 CFR part 61, section 61.315, and due to the addition of 14 CFR part 61, section 61.316, in the “Limitations” subsection on page 1-17, new bullets will be added that say the following:
Maximum 10,000 feet MSL or 2,000 feet AGL, whichever is higher
For more information regarding sport pilot privileges and limits, refer to 14 CFR part 61, sections 61.315 and 61.316

Due to the requirements of 14 CFR part 61, sections 61.313 and 61.317, in the “Limitations” subsection on page 1-17, the paragraph after the bulleted list will be revised as follows:

Due to the requirements of 14 CFR part 61, section 61.303, in Chapter 1, Introduction to Flying, The Student Pilot: Basic Requirements: Medical Certification Requirements section on page 1- 20, the title will be revised to “Medical Qualification Requirements” and the first paragraph will be revised as follows:

The second step in becoming a pilot is to obtain a medical certificate (if the choice of aircraft is an airplane, helicopter, gyroplane, or airship). (The FAA suggests the individual get a medical certificate before beginning flight training to avoid the expense of flight training that cannot be continued due to a medical condition.) Balloon or glider pilots do not need a medical certificate but do need to write a statement certifying that no medical defect exists that would prevent them from piloting a balloon or glider. However, sport pilots may not be required to hold a medical certificate. For more information, refer to 14 CFR part 61, section 61.303. Applicants who fail to meet certain requirements or who have physical disabilities which might limit, but not prevent, their acting as pilots, should contact the nearest FAA office. Anyone requesting an FAA Medical Clearance, Medical Certificate, or Student Pilot Medical Certificate can electronically complete an application through the FAA’ s MedXPress system available at https://medxpress.faa.gov/.

In Chapter 1, Introduction to Flying, Becoming a Pilot section on page 1-21, the bulleted list will be reordered as follow:

Sport Pilot, see subpart J

Recreational Pilot, see subpart D

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