Originally Posted by
Chronus
Did the incident of Flight 1651 not prompt the need to consider emergency access to cockpit.
As has been pointed out previously, that opens another vulnerability, and also as has been pointed out, there is such an emergency access provision.
(Curious: was the issue resolved as to cause? It appears that the NTSB does not have a file on that, but I may have used the search function incorrectly on their site).