Applicable TWIC® and HME holders may now use those credentials to obtain TSA PreCheck when taking a flight. ... TWIC® and HME holders can obtain TSA PreCheck expedited screening by entering the identification numbers printed on their TWIC® card or state-issued CDL during the airline reservation process.

What can I use my TWIC card for?

A TWIC card is a federal identification card for Transportation Workers that gets administered to those who need unrestricted access to areas included in the maritime transportation security act, including ports, port facilities, boats, and continental shelf facilities.

Is TWIC a security clearance?

Transportation Worker Identification Credential

Your TWIC is a tamper-resistant biometric card which acts as both your identification in secure areas, as well as an indicator of you having passed the necessary security clearance. TWIC cards are valid for five years.