>

And may be flying into more difficult airstrips due to the airline size as well. Not sure how this exact one in Nepal is, but some of them are pretty extreme.
Anyone know what they were flying? >

ATR-72 >

Part of that seems to be that it's a low cost regional plane operated by a lot of small regional airlines. Perfectly good planes can become death traps when poorly maintained, and small regional airlines in far flung parts of the world can have shocking maintenance standards.
It's hard to know without analysis done, but I suspect this is going to come down to maintenance.