Washington (CNN) -- Five close calls involving passenger jets at big U.S. airports prompted a recommendation on Monday for new rules to prevent planes from getting dangerously close to each other when one aborts a landing. The National Transportation Safety Board recommended the Federal Aviation Administration (FAA) change its standards to ensure safe aircraft separation in cases of a "go-around." That's when pilots cut short a landing at the last minute and pull up to circle the airport before making another try. NTSB Chairwoman Deborah Hersman outlined four incidents in 2012 and one in 2006 when planes initiating "go-arounds" and got dangerously close to aircraft taking off or landing.
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National Transportation Safety Board concerned about near misses during aborted landings
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Board says standards inadequate, recommends FAA improve aircraft separation
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Incidents, four last year, occurred in Las Vegas, New York and Charlotte
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Safety issue arises when planes scrub landing and then pull up to circle airport
The @placeholder said its thoroughly investigated the close-call incidents and took aggressive steps to address the causes.