Vienam forume buvo toks postas:
The going theory is that during the chaotic 90-s somebody made lots of money 
on these by using commercial grade parts and somehow bypassing military 
acceptance tests.
No idea if true but sounds plausible

http://www.eevblog.com/forum/reviews/sukhoi-su-24-flight-data-recorder-teardown-video/msg828653/#msg828653

Bet siaip man kazkodel net nekyla abejoniu, kad ta deze arba ne is to 
lektuvo, arba buvo patvarkyta dar iki atidarant oficialiai.

"ig" <stop@spam.lt> wrote in message 
news:n5j0pn$l9q$1@trimpas.omnitel.net...
> Manau daug kam (kas dar kapish po ruski) bus idomu:
>
> https://www.drive2.ru/b/2615302/