[decimalenough]

Third, since there's no other plausible explanation for this and China has classified the report.

https://en.wikipedia.org/wiki/China_Eastern_Airlines_Flight_...

[lanna]

Fourth? https://en.wikipedia.org/wiki/Malaysia_Airlines_Flight_370#M...

[pineal]

Fifth. https://en.wikipedia.org/wiki/EgyptAir_Flight_990

[CBMPET2001]

Sixth (and this one is pretty indisputable): https://en.wikipedia.org/wiki/LAM_Mozambique_Airlines_Flight...

[ekianjo]

We dont know about that one at all.

[bdangubic]

we do here on HN :)

[lanna]

Hence the question mark

[lazystar]

please. pilot puts everyone to sleep but himself, turns everything off, then does a flyby of his hometown and then puts himself to sleep? the only one more obvious is the german one.

[ekianjo]

without a black box all of this is supposition.

[throwaway48476]

We know the transponder was manually turned off because of the intermediate mode. The only reason for this is intentional disappearance.