FAR DECODED — TITLE 14 CFR

§ 61.165 — Additional Aircraft Category and Class Ratings

Regulation Text

(a) Rotorcraft category and helicopter class rating. A person applying for an airline transport certificate with a rotorcraft category and helicopter class rating who holds an airline transport pilot certificate with another aircraft category rating must:

(1) Meet the eligibility requirements of § 61.153 of this part;

(2) Pass a knowledge test on the aeronautical knowledge areas of § 61.155(c) of this part;

(3) Comply with the requirements in § 61.157(b) of this part, if appropriate;

(4) Meet the applicable aeronautical experience requirements of § 61.161 of this part; and

(5) Pass the practical test on the areas of operation of § 61.157(e)(4) of this part.

(b) Airplane category rating with a single-engine class rating. A person applying for an airline transport certificate with an airplane category and single-engine class rating who holds an airline transport pilot certificate with another aircraft category rating must:

(1) Meet the eligibility requirements of § 61.153 of this part;

(2) Pass a knowledge test on the aeronautical knowledge areas of § 61.155(c) of this part;

(3) Comply with the requirements in § 61.157(b) of this part, if appropriate;

(4) Meet the applicable aeronautical experience requirements of § 61.159 of this part; and

(5) Pass the practical test on the areas of operation of § 61.157(e)(1) of this part.

(c) Airplane category rating with a multiengine class rating. A person applying for an airline transport certificate with an airplane category and multiengine class rating who holds an airline transport certificate with another aircraft category rating must:

(1) Meet the eligibility requirements of § 61.153 of this part;

(2) Successfully complete the airline transport pilot certification training program specified in § 61.156;

(3) Pass a knowledge test for an airplane category multiengine class rating or type rating on the aeronautical knowledge areas of § 61.155(c);

(4) Comply with the requirements in § 61.157(b) of this part, if appropriate;

(5) Meet the aeronautical experience requirements of § 61.159 or § 61.160; and

(6) Pass the practical test on the areas of operation of § 61.157(e)(2) of this part.

(d) Powered-lift category. A person applying for an airline transport pilot certificate with a powered-lift category rating who holds an airline transport certificate with another aircraft category rating must:

(1) Meet the eligibility requirements of § 61.153 of this part;

(2) Pass a required knowledge test on the aeronautical knowledge areas of § 61.155(c) of this part;

(3) Comply with the requirements in § 61.157(b) of this part, if appropriate;

(4) Meet the applicable aeronautical experience requirements of § 61.163 of this part; and

(5) Pass the required practical test on the areas of operation of § 61.157(e)(3) of this part.

(e) Additional class rating within the same aircraft category. Except as provided in paragraph (f) of this section, a person applying for an airline transport pilot certificate with an additional class rating who holds an airline transport certificate in the same aircraft category must—

(1) Meet the eligibility requirements of § 61.153, except paragraph (g) of that section;

(2) Comply with the requirements in § 61.157(b) of this part, if applicable;

(3) Meet the applicable aeronautical experience requirements of subpart G of this part; and

(4) Pass a practical test on the areas of operation of § 61.157(e) appropriate to the aircraft rating sought.

(f) Adding a multiengine class rating to an airline transport pilot certificate with a single engine class rating. A person applying to add a multiengine class rating, or a multiengine class rating concurrently with a multiengine airplane type rating, to an airline transport pilot certificate with an airplane category single engine class rating must—

(1) Meet the eligibility requirements of § 61.153;

(2) Pass a required knowledge test on the aeronautical knowledge areas of § 61.155(c), as applicable to multiengine airplanes;

(3) Comply with the requirements in § 61.157(b), if applicable;

(4) Meet the applicable aeronautical experience requirements of § 61.159; and

(5) Pass a practical test on the areas of operation of § 61.157(e)(2).

Research Notes

Regulatory Cross-References

§ 61.165 addresses how an existing ATP certificate holder adds additional category or class ratings. The process differs depending on whether the applicant already holds the lower level certificate in that category (commercial or private) and on the specific category/class being added.

Adding a Multiengine Rating to an Existing Single-Engine ATP

A pilot holding an ATP certificate in airplane single-engine who wants to add the multiengine class must meet the experience requirements of § 61.159 and pass the ATP practical test in a multiengine airplane. No separate knowledge test is required if the pilot already holds an ATP knowledge test result within 60 months.

Adding Rotorcraft to an Airplane ATP

An airplane ATP holder adding the rotorcraft category must meet § 61.163 experience requirements and pass the rotorcraft ATP practical test. A new ATP knowledge test may be required if the existing test was for airplane category only, depending on the testing service's records.

Key Authorities

  • § 61.63 — General rating addition rules for all pilots
  • AC 61-65J — Endorsement requirements for additional ratings
  • § 61.39 — Prerequisites for practical tests (knowledge test within 60 months)

CFI Commentary

Highlighted phrases in the regulation text above link to instructor notes at the bottom of this page. Look for the amber or blue highlights — each one flags a gotcha or a pro tip worth knowing.

Amendment History

Amendment History Coming Soon

Every time this regulation changes, we'll record it here — the date, what was amended, and a plain-English summary of what shifted.

AOA Notes

These notes correspond to the highlighted phrases in the regulation text above. Each one flags something worth knowing — a common misread, a checkride gotcha, or a practical pro tip.

Pro Tip: ATP ratings add by category and class — not just by aircraft
Your ATP certificate covers the specific category and class you tested for. Adding a type rating to fly a specific aircraft (say, a B737) is different from adding a category or class rating. Type ratings are aircraft-specific; class and category ratings are broad. Most airline career paths involve: airplane multiengine ATP (from initial certification) plus specific type ratings added as you upgrade. If you transition from fixed-wing to rotorcraft operations, you're adding a category — a separate process with its own experience requirements.
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