That's buggy for many values of $arg. Fix: 

use URI::Escape qw( uri_escape );

my $form_url = "http://www.airport-data.com/search/intl-airports.php";
my $res = $ua->get( "$form_url?field=code&kw=" . uri_escape($arg) );

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In reply to Re^2: Help with LWP GET request by ikegami
in thread Help with LWP GET request by mhearse

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