If the IPA are trying to get the message out (and good on them for doing so) wouldn't it be better to freely distribute the DVDs (as BALPA did with Toxic Air) or make the film viewable online.... RATHER THAN CHARGING £17.99 TO BUY THE DVD!
I can't really see it flying off the shelves.
Pilot Fatigue [PAL] [pf-dvd] - £17.99 : DFT Enterprises, Film Distribution and Online Sales