Accidents
Bell 407 Tail Boom Separation Prompts FAASTeam Caution
Bell 407 operators are advised to torque check tail boom attachment hardware following a June in-flight separation accident.
Bell 407 operators are advised to torque check tail boom attachment hardware following a June 8 in-flight separation accident. (Photo: National Transportation Safety Board)
Bell 407 operators are advised to torque check tail boom attachment hardware following a June 8 in-flight separation accident. (Photo: National Transportation Safety Board)

A June in-flight tail boom separation on a Bell 407 has prompted the FAA's FAASTeam to issue a special notice reminding all operators of the standing FAA Airworthiness Directive (AD) 2012-18-09 to torque-check the boom’s attachment hardware every 300 hours. The NTSB’s investigation into the Hawaii air tour accident that seriously injured three of the six aboard is ongoing.


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