Southwest Deploying New Secondary Barriers, Evaluating Retrofits

Southwest Airlines Installed Physical Secondary Barrier
Credit: Southwest Airlines
Southwest Airlines has taken delivery of its first aircraft equipped with an Installed Physical Secondary Barrier (IPSB), a Boeing 737-8 that entered service on Aug. 29, from Phoenix to Salt Lake City. Though the Federal Aviation Administration (FAA) has granted a one-year exemption for their use...
Christine Boynton

Christine Boynton is a Senior Editor covering air transport in the Americas for Aviation Week Network.

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