
The Captain’s License Drug Test: A Step-by-Step Guide to Avoiding Application Delays
Learn what questions to ask and how to prepare for a captain’s license drug test to ensure you avoid the most common application delays.
4th of July Sale: Save 35% with code BOAT35
4th of July Sale: Save 35% with code BOAT35
by Bob Figular August 13, 2021 3 min read
The Federal Communications Commission (FCC) mandates that licensees of ship and aircraft radio stations allow only individuals with the appropriate FCC-issued commercial operator license to perform specified tasks involving transmitter operation, maintenance, and repair.
A commercial operator license is required to:
The licensing requirements for operating versus maintaining radio stations are distinct and discussed separately below.
✔ You need a commercial radio operator license to operate the following:
❌ You do NOT need a commercial operator license to operate the following:
✔ You need a commercial operator license to repair and maintain the following:
❌ You do NOT need a commercial radio operator license to operate, repair, or maintain any of the following types of stations:
Possession of a commercial radio operator license or permit does not authorize an individual to operate amateur or GMRS radio stations. Only a person holding an amateur or GMRS radio operator license may operate an amateur or GMRS radio station.
The FCC commercial radio operator licenses are valid for the license holder’s lifetime.
⚠ EXCEPTION: Licenses issued before March 25, 2008 (RG, DM, or DB types) had a five-year term. If such a license expired before that date, it must be renewed within the five-year grace period following expiration.
By understanding these requirements, you can ensure compliance and proper licensing for your radio operations.
You will need to contact the other country to learn if they will accept an American FCC commercial operator license or if you need to meet their country's specific license.
Sign up to get the latest blog articles, new releases, and more…
Ask a question, share an experience, or add a helpful tip related to this article. Comments may appear after review to prevent spam.

June 09, 2026
Learn what questions to ask and how to prepare for a captain’s license drug test to ensure you avoid the most common application delays.

June 04, 2026
Discover the three types of drug tests working captains must submit to even after they’ve met the initial USCG drug testing requirements for their license.

June 02, 2026
Discover how a retired airline pilot became obsessed with the Great Loop and built a thriving captain training business through Mariners Learning System.

May 28, 2026
Learn which substances the MMC drug test looks for, plus how masking agents and false positives factor in.

May 26, 2026
Discover the five most common mistakes mariners make on the captain’s license physical, plus a checklist for how to avoid them.

May 19, 2026
Discover why so many charter captains run out of money and how to plan every startup cost from your vessel purchase to guest-ready outfitting.

May 14, 2026
Learn how to build a charter business plan that covers pricing, expenses, and marketing so your captain’s license leads to lasting profit.

May 12, 2026
Transform how you talk about price with proven anchoring strategies and value-first framing that stops charter guests from shopping around.

May 07, 2026
Discover how charter captains use hybrid pricing models and seasonal adjustments to increase revenue and simplify bookings for every guest type.

May 05, 2026
Learn how Mariners Learning System and We Make built an eight-year partnership creating meaningful careers for adults with autism through real operations.