A first-class FAA medical certificate is good for 12 months of airline transport pilot (ATP) privileges if you’re under 40 on the date of your exam, and 6 months if you’re 40 or older.1eCFR. 14 CFR 61.23 – Medical Certificates: Requirement and Duration After those top-tier privileges lapse, the same piece of paper keeps working at lower privilege levels, so one exam can cover you from airline operations down to weekend flying for years.
First-Class Duration by Age
A first-class medical is the highest tier of FAA medical certification and is required for airline transport pilot operations, including serving as pilot-in-command for a Part 121 airline.1eCFR. 14 CFR 61.23 – Medical Certificates: Requirement and Duration Duration for those first-class privileges depends only on your age at the time of the exam:
- Under 40: valid through the end of the 12th month after the month of your exam.
- 40 or older: valid through the end of the 6th month after the month of your exam.
A 45-year-old airline captain visits an Aviation Medical Examiner twice a year to keep ATP privileges current. Pilots between 60 and 65 who are still flying Part 121 operations stay on the same six-month cycle, and at 65 a Part 121 carrier can no longer employ you as a pilot at all.2Federal Aviation Administration. What Is the Maximum Age a Pilot Can Fly an Airplane
What Happens After First-Class Privileges Expire
When your first-class privileges run out, the certificate itself doesn’t become worthless. The same document automatically steps down and supports lower classes of privileges for a longer stretch.1eCFR. 14 CFR 61.23 – Medical Certificates: Requirement and Duration
Second-Class (Commercial) Privileges
Second-class privileges cover commercial pilot operations, flight engineer duties, and air traffic control tower operator work. They last through the 12th month after the month of your exam, regardless of your age.
The practical effect splits by age group. If you’re under 40, your first-class and second-class privileges expire on the same day at 12 months. There is no stepdown window, and one day of expired first-class means one day of expired commercial privileges too. If you’re 40 or older, first-class privileges expire at 6 months but commercial privileges continue for another 6 months, giving you a genuine window where you can still fly commercially after ATP authority is gone.
This catches under-40 pilots off guard. At 35, when your first-class medical is about to expire, there is no grace period for commercial flying. You need a new exam to keep doing anything beyond private pilot operations.
Third-Class (Private) Privileges
After both first-class and second-class privileges expire, the certificate still supports third-class privileges, which cover private pilot, recreational pilot, student pilot, and flight instructor duties when acting as pilot-in-command.
- Under 40: third-class privileges last through the 60th month after the month of your exam. That leaves 48 additional months of private flying after your first- and second-class privileges expire together at 12 months.
- 40 or older: third-class privileges last through the 24th month after the month of your exam. That’s another 12 months of private flying after commercial privileges expire at 12 months.
Put together, a 30-year-old airline pilot who takes a first-class exam can exercise ATP privileges for 12 months, then fly privately for another four years, for five years total from one exam. A 50-year-old pilot gets 6 months of ATP authority, 6 more months of commercial authority, and 12 more months of private flying, for two years total.
How the FAA Counts the Months
The FAA doesn’t count duration from the exact calendar date of your exam. A certificate expires “at the end of the last day of the [X]th month after the month of the date of examination.”1eCFR. 14 CFR 61.23 – Medical Certificates: Requirement and Duration That phrasing actually works in your favor.
If your exam is on January 15, the month of examination is January. The 12th month after January is the following January, so the certificate expires at the end of January 31 the next year, not on January 15. That’s 16 extra days. An exam on January 1 gets you almost a full extra month over a strict 365-day count. The same rule applies to every duration, whether 6 months, 12, 24, or 60.
Scheduling your exam early in the month maximizes validity. An exam on March 2 and an exam on March 29 both expire at the end of the same target month, but the early exam bought you nearly four extra weeks of flying.
When the Certificate Ends Early
A valid medical certificate is necessary to fly, but it’s not by itself sufficient. Under federal regulations you cannot act as a pilot if you know, or have reason to know, that you have a medical condition that would disqualify you for your class of certificate, even if the certificate on file hasn’t expired.3eCFR. 14 CFR 61.53 – Prohibition on Operations During Medical Deficiency The same rule applies if you’re taking medication or receiving treatment that would make you unable to meet the standards for your certificate class.
A disqualifying diagnosis between exams doesn’t just create a problem at your next renewal. It grounds you immediately. Starting a new blood pressure medication, getting diagnosed with a cardiac issue, or even a temporary condition like a concussion can trigger this obligation. You are prohibited from flying until the condition resolves or you obtain appropriate authorization.
A special issuance authorization from the Federal Air Surgeon can also compress the standard schedule. A certificate issued under special issuance expires no later than the authorization’s own expiration date, so you may face more frequent renewals than the durations above.4Federal Aviation Administration. Authorization for Special Issuance of a Medical Certificate
BasicMed as an Alternative for Private Flying
If you only need private pilot privileges and don’t want to keep renewing through the AME, BasicMed is a separate pathway with its own timing rules. You get a physical exam from any state-licensed physician, complete a Comprehensive Medical Examination Checklist, and take an FAA-approved online medical course. The physical repeats every 48 months and the online course every 24 months.5Federal Aviation Administration. BasicMed
To qualify you must hold a valid U.S. driver’s license and have held an FAA medical certificate issued after July 14, 2006. BasicMed limits you to aircraft with no more than seven occupants and a maximum certified takeoff weight of 12,500 pounds. Flights must stay within the United States, at or below 18,000 feet MSL, at speeds no greater than 250 knots, and cannot be for compensation or hire. BasicMed does not cover commercial or ATP operations, so it isn’t a substitute for a current first-class medical.
One further limit: if you have certain serious conditions, including epilepsy, psychosis, bipolar disorder, or a heart attack, you cannot fly under BasicMed unless you’ve first obtained at least one special issuance medical certificate for that condition through the traditional FAA process.