Back before V's were added to airship ventures my FC used to be able to fairly distribute DoL/DoH IV's to FC members since we were getting a healthy supply of them, but recently they've become scarcer than a hen's teeth.
I realise that IV's have been added as a reward for Ixali, but our stockpile of IV's from airships has all but dried up due to the insane number of them needed to meld the new ironworks gear.
Please SE, revert the number of IV's back to what we used to get before you nerfed it while adding V's. It would really help encourage people to get into higher tier crafting if I was able to shout them some free IV's from airships. Instead, many people I know are simply scared off at the thought of it (and yes there are red scrips but without DoL classes to gather the mats, many people find that route also ends up being quite expensive)