Warning: Trying to access array offset on value of type null in /home/airflight/www/www/wp-content/themes/fluida/includes/loop.php on line 270 Air Safety, Alert, NTSB Alert: Reduced Visual References Require Vigilance July 22, 2014 July 22, 2014 George Hatcher, NTSB Alert, preparation, proficiency, Vigilence, wrongful death pilot safety first, vigilance