Difficult terrain + Bad weather = accidents
Just a quick scan of the database reveals flying in Nepal to be quite risky.....
18/ 1/99 Cessna 208 Necon 5 fatalities
7/ 7/99 Boeing 727 Hinduja 5 fatalities
5/ 9/99 HS748 Necon 15 fatalities
25/12/99 DHC 6 Skyline 10 fatalities
27/ 7/00 " Royal Nepal 25 fatalities
17/ 7/02 " Skyline 4 fatalities
2/ 8/02 " Shangri la 18 fatalities
This list does not include the major disasters of a few years ago when a Thai A310 and a PIA A300 both crashed at Khatmandu within a few weeks of each other with the loss of 280 souls in total........