PBL
Websters definition of "Accident" works for me:
Main Entry:
ac·ci·dent 
Pronunciation: 'ak-s&-d&nt, -"dent; 'aks-d&nt
Function:
noun
Etymology: Middle English, from Middle French, from Latin
accident-, accidens nonessential quality, chance, from present participle of
accidere to happen, from
ad- +
cadere to fall -- more at
CHANCE
1 a : an unforeseen and unplanned event or circumstance
b : lack of intention or necessity
: CHANCE <met by
accident rather than by design>
And the Taipei overrun although technically an Incident sparked a detailed report normally associate with aircraft accidents in the real world.
It failed to satisfy the FAA criteria you mentioned by the Grace of God and by the fact that the runway was sufficiently long to reduce the overrun speed to ( still substantial) 67 knots, which was contained by the available Runway End Zone , with the help of the ditch.
Glueball:
If Congonhas had the EMAS, the crew would've headed for it. They kept the aircraft on the runway until they turned it.
3ten:
As I recall , the T/L number 2 not being brought to idle was listed as primary cause of the Taipei overrun.