I've not read such a load of garbage in a long time as the article in 'This Day' which comes of googling the words suggested by twisted wrench, but then Nigerian newspapers, as has already been mentioned several times on this thread, are renowned as being high in sensationalism and low in fact content. It's quite obvious that the source in NCAA is unhappy that Bristow doesn't pay bribes to officials, unlike some of the local operators.
The accident with the Citation, although crew related, had nothing with crew experience. There was no suggestion that the ditching of the Super Puma in 2010 had anything to do with maintenance.
Apparently the S76 is very similar to the S92, just like the Bell 426 is similar to the Bell 412 I guess.
It's obvious that one of the local operators is unhappy that despite their paying bribes to the NCAA, Bristow is still the largest operator in Nigeria (and the vast majority of civil trained Nigerian pilots, including those working for its competitors, have had their training paid for by Bristow.