HIMS Explained: What Happens to Your Medical After a Substance-Related Event
Most pilots know HIMS as a word they hope never applies to them. It gets said in the same breath as "career over," which is exactly backward. HIMS exists so that a substance-related event doesn't end a career. It's the FAA's structured way of getting a pilot evaluated, treated if needed, monitored, and back in the seat.
I'm an FAA/HIMS trained aviation psychologist and a former pilot. Part of my training was in exactly how this program works and what the evaluations feeding into it have to contain. Here is the process, without the fear.
What HIMS is
HIMS stands for Human Intervention Motivation Study. It began in the 1970s as an airline program for alcohol-dependent pilots and grew into the FAA's standard framework for substance use, and later for certain mental health conditions, across all classes of medical certificate. Its whole premise is that pilots with a substance history can be returned to flying safely when there is treatment, documented recovery, and monitoring.
It applies to airline pilots, corporate pilots, and private pilots alike. The airline version is more built out, with company and peer monitors, but the medical standard and the special issuance path are the same for a private pilot with a DUI as for a captain with a positive test.
How pilots end up in it
A few common doors:
- A DUI or DWI. Item 18v on the medical application asks about arrests, convictions, and administrative actions involving alcohol or drugs, and the FAA also gets notified through the National Driver Register. A single event with a lower blood alcohol level may be handled by the AME. A high BAC, a refusal, or a second event usually triggers a substance evaluation and FAA review.
- A positive or refused drug or alcohol test at work.
- A disclosed history of substance dependence or abuse, whether on the application or through treatment records.
- A pattern that comes out during another evaluation, such as a psychological evaluation for a different reason.
Two terms matter here. The FAA distinguishes substance abuse from substance dependence. Dependence is disqualifying without a special issuance and is the classic HIMS case. Abuse, meaning misuse without the pattern of dependence, can also be disqualifying depending on the history. The evaluation is where that distinction gets made, which is why it matters who does it.
The steps
The shape of the process is consistent, even when the details vary by case.
1. Evaluation. A HIMS-trained AME reviews your history, and you're evaluated by a qualified professional, which may mean a substance abuse professional, a psychiatrist, a psychologist, or some combination depending on what the FAA asks for. The evaluation looks at the pattern of use, the consequences, the diagnostic criteria for abuse or dependence, and your insight and honesty about all of it. It ends with a diagnosis, or no diagnosis, and a recommendation.
2. Treatment, if indicated. For dependence, this typically means a formal treatment program, often 28 days inpatient or a comparable intensive outpatient program, followed by aftercare. For lesser findings, it may mean outpatient counseling or education.
3. Documented recovery. Abstinence, verified by random testing. Regular recovery meetings. A sponsor. For airline pilots, monthly reports from peer and company monitors. This is the phase where the program earns its reputation for thoroughness, and where pilots either build the record that gets them back or don't.
4. The special issuance package. The HIMS AME assembles the treatment records, monitoring reports, evaluations, and a summary, and submits it to the FAA. If the FAA is satisfied, it issues a time-limited special issuance medical certificate with conditions attached.
5. Ongoing monitoring. Follow-up evaluations, continued testing that tapers over time, and regular reports back to the FAA, typically for several years. Many pilots describe this phase as the part that finally lets them stop looking over their shoulder.
The timeline for all of this is measured in months, not weeks, and the FAA's queue is part of it. Pilots who work the program cleanly tend to move faster than pilots who fight it.
What a substance abuse evaluation actually looks at
Pilots ask me this because it's the part they can prepare for. An evaluation for the FAA isn't a lie-detector session and it isn't a formality. It's a clinical interview and, where indicated, standardized measures, aimed at a specific set of questions the FAA needs answered: What is the pattern of use over time? What consequences has it produced? Does the history meet criteria for abuse or dependence? Is there a co-occurring condition? What is the prognosis, and what does the evaluator recommend?
Three things separate a useful evaluation from one that creates more problems:
- Honesty. Minimizing is the single most common way pilots hurt themselves. The FAA has your records, your driving history, and often your test results. An evaluation that contradicts the record gets sent back, and it damages your credibility for everything that follows.
- An evaluator who knows the FAA. The report has to address what Aerospace Medicine needs to see, in the language it uses, or it goes back for more. That's what HIMS training is for.
- A clear recommendation. A report that ends with "further assessment may be warranted" helps no one. The FAA needs a diagnosis or the absence of one, and a plan.
It isn't the end
I'll say the thing pilots most need to hear. A substance-related event on your record is serious, and the process is demanding. It is also survivable, and the FAA built it that way on purpose. Thousands of pilots are flying today on HIMS special issuances, many at major airlines, with careers that survived because the program worked.
If you've been told you need an evaluation, or you've had an event and you're trying to figure out what comes next, bring your FAA or AME correspondence to a free consultation and I'll help you understand what's being asked before you spend money on the wrong thing. FAA-required psychological evaluations, including HIMS-related evaluations for a special issuance, are completed in person at my office in Orange County, California. Details are here. And if what you need right now is somewhere to talk about how you got here, that's aviation therapy, and it's available by video anywhere I'm licensed.
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