Cika wannan jumla: Muhimman nazarin yanayin a cikin binciken HRO sun haɗa da nazarin bala'i (misali,
Hadarin nukiliya na Tsibirin Mile Uku, Bala'in Challenger da Bala'in Columbia, kwararar sinadarai na Bhopal, hadarin jirgin sama na Tenerife, gobarar gandun daji na Mann Gulch, hadarin wuta na abokantaka na Black Hawk a Iraki) da HROs kamar tsarin kula da zirga-zirgar jiragen sama, masu jigilar jiragen ruwa, da ayyukan makamashin nukiliya.