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Can I Carry It? — verified carry-on guide

Can You Bring Permeation Calibration Devices on a Plane?

Category: Gear & Miscellaneous

Direct Answer (2026 Official Rules)
Cabin: ✕ NO Hold: ✓ YES

No — you cannot bring permeation calibration devices in carry-on luggage through security checkpoints. Must comply with Special Provision A98 hazardous materials requirements.

Verified against published 2026 TSA (United States) & CATSA (Canada) security screening databases.

On this page · 9 sections

⚖️ Why This Rule Exists: Cabin Security, Blade Restrictions & Sterile Area Integrity

Sharp blades, pointed metal tools, strike implements, and sporting equipment (bats, clubs, martial arts tools) are strictly prohibited from the passenger aircraft cabin to prevent potential weapons or coercion in the sterile area. They must be safely sheathed and packed in checked luggage.

Decision Threshold: Blades and strike tools must be transported in checked luggage only.

Rules by security authority

United States — TSA

Carry-on

No

Prohibited in carry-on.

Checked bag

Yes

Allowed in checked luggage (49 CFR 175.10(a)(24)).

Rule conditions: Must comply with Special Provision A98 hazardous materials requirementsTotal hazardous material weight must not exceed 2 gramsChecked baggage only

Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.

🔍 Security Checkpoint & X-Ray Screening Advice

Pack all knives, multi-tools with blades, scissors over 4 inches (10 cm), and heavy tools in checked luggage. Ensure sharp edges are securely wrapped to protect baggage handling personnel.

Learn more about scanner differences and traveler rights in our Airport Security Screening Guide →

⚠️ Common Traveler Mistake to Avoid

The Mistake: Leaving a pocket knife or multi-tool on a keychain or in a daily backpack pocket when heading to the airport.

How to Avoid It: Check all backpack pockets and keychains before leaving home to avoid surrender at the checkpoint.

How to Pack Permeation Calibration Devices for a Flight

Must be packed in leak-proof packaging per FAA hazardous material regulations. Always verify specific airline carry-on size limits and pack delicate items securely to prevent baggage damage during transit.

Permeation Calibration Devices on a plane — FAQs

Can you bring Permeation Calibration Devices in a carry-on?

Prohibited in carry-on.

Can you pack Permeation Calibration Devices in checked luggage?

Allowed in checked luggage (49 CFR 175.10(a)(24)).

Why are there rules for permeation calibration devices on a plane?

Sharp blades, pointed metal tools, strike implements, and sporting equipment (bats, clubs, martial arts tools) are strictly prohibited from the passenger aircraft cabin to prevent potential weapons or coercion in the sterile area. They must be safely sheathed and packed in checked luggage.

Can I bring permeation calibration devices on an airplane?

Prohibited in carry-on. In checked bags: Allowed in checked luggage (49 CFR 175.10(a)(24)).

Last verified:

Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →