What is the 3:1:1 rule for airplanes?

Understanding the 3:1:1 Rule for Airplanes

Air travel regulations require passengers to adhere to specific guidelines regarding the transportation of liquids, gels, and aerosols in carry-on luggage. These guidelines are commonly known as the “3:1:1 rule.”

The 3:1:1 Rule

The 3:1:1 rule consists of three key restrictions:

• 3.4 ounces (100ml) per container: Each container containing liquids, gels, or aerosols must not exceed 3.4 ounces (100ml) in volume.
• One quart-sized bag per passenger: Passengers are permitted to bring one clear, quart-sized bag containing liquids, gels, and aerosols through security.
• Single personal item: In addition to the quart-sized bag, each passenger may also carry a single personal item, such as a purse, briefcase, or laptop bag.

Items Subject to the Rule

The 3:1:1 rule applies to a wide range of items, including:

• Shampoo and conditioner
• Toothpaste and mouthwash
• Deodorant
• Hairspray
• Sunscreen
• Contact lens solution
• Hand sanitizer

Exceptions to the Rule

Certain items are exempt from the 3:1:1 rule, including:

• Baby formula and breast milk (up to a reasonable amount for the flight)
• Medications in their original containers with labels
• Contact lens solution (in a container not exceeding 3.4 ounces)
• Artificial tears and eye drops (in a container not exceeding 3.4 ounces)

Enforcement

Airport security personnel will check carry-on luggage to ensure compliance with the 3:1:1 rule. Any liquids, gels, or aerosols exceeding the permitted volume will be confiscated.

Consequences of Non-Compliance

Failing to comply with the 3:1:1 rule can result in delays at security checkpoints and potential fines or penalties. It is essential for passengers to carefully follow these guidelines to avoid any inconvenience or consequences.

Conclusion

The 3:1:1 rule is an important air travel regulation that helps ensure the safety of passengers and crew. By adhering to this rule, passengers can ensure a smooth and hassle-free security screening process.