What the Fart CDI Patch

USMC Helicopter Squadrons

What the Fart CDI Patch

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$12.00

Only 22 items left in stock

  • Hook & Loop
  • 3"
  • Embroidered Fabric
  • Bulk Discounts for 25+

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This is a 3" patch, with hook & loop.

What the Fart CDI Patch — Flightline Qualification Morale Embroidered Patch

What the fart — CDI humor from the flightline.

The "What the Fart" CDI patch is a morale patch born from the irreverent humor of Marine and Navy aviation maintenance culture. The Collateral Duty Inspector (CDI) qualification is one of the most important and stressful roles on the flightline — CDI-qualified maintainers are responsible for inspecting and approving the work of other mechanics, bearing personal responsibility for every sign-off. The "What the Fart" twist on the CDI title captures the moment every CDI has experienced: opening an inspection panel and discovering something that makes you question everything.

Flightline qualification morale patches take the serious world of aviation maintenance and add the dark humor that keeps maintainers sane through long hours, harsh conditions, and the constant pressure of ensuring aircraft are safe to fly. Every CDI has a story about an inspection that made them say "what the..." — whether it's finding safety wire wrapped backwards, cotter pins missing, or a gripe that was signed off as "could not duplicate" when the problem is staring you in the face. This patch celebrates those moments with the kind of humor that only maintenance professionals truly understand.

Perfect For: CDI-qualified maintainers across all military aviation squadrons, flightline quality assurance personnel, Marine and Navy aircraft mechanics, aviation maintenance morale patch collectors, and anyone who has ever opened an inspection panel and questioned their life choices.

What the fart — CDI life on the line.

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Frequently Asked Questions

If you want to swap patches on/off gear, choose hook & loop (velcro). If you’re attaching permanently to uniforms or fabric, choose sew-on. If you want quick application on compatible fabric, choose iron-on / heat seal (when offered). Backing options are shown on the page and update based on the variant you select.

Size is shown on the product page and updates with the variant you select (example: 3"). If you’re mounting on a hat or small panel, choose smaller sizes; for plate carriers and display boards, larger sizes fit better.

If the product is officially licensed, it will say “Officially Licensed” in the title and/or in the product details. If it doesn’t, it’s still a legitimate product—just not part of a licensed program.

Yes. If you see a note like “bulk reruns available,” that means we can support group orders or reruns. If you don’t see it, contact us with the unit/squadron and quantity and we’ll confirm options.

Yes—custom solutions are available (patches, name tags, lanyards, apparel). Use the custom request page and include artwork, size, backing preference, and quantity.