▁a ▁drive ▁off ▁caused ▁by ▁in app ropri ate ▁thrust . ▁ ▁R isk ▁of ▁run off ▁Con sequ ences ▁– ▁for ▁dr illing , ▁div ing ▁and ▁other ▁operations . ▁In j ury ▁to ▁divers ▁is ▁possible , ▁Dam age ▁to ▁div ing ▁equipment ▁including ▁cutting ▁of ▁diver ' s ▁um bil ical ▁has ▁occurred . ▁Mit ig ation ▁– ▁dealing ▁with ▁a ▁run off ▁– ▁training ▁and ▁compet ence ▁– ▁emer gency ▁dr ills . ▁ ▁Dynamic ▁position ing ▁alarm ▁and ▁run out ▁response ▁for ▁bell ▁divers ▁Code ▁am ber ▁/ Y ellow ▁alert ▁- ▁D ivers ▁return ▁to ▁the ▁bell ▁immediately , ▁st ow ▁um bil ical s , ▁and ▁stand ▁by ▁for ▁further ▁develop ments ▁and ▁instructions . ▁Code ▁red ▁- ▁D ivers ▁return ▁to ▁the ▁bell ▁without ▁delay ing ▁to ▁retrieve ▁tools ▁and ▁prepare ▁for ▁immediate ▁as cent . ▁The ▁bell ▁can ▁not ▁be ▁recovered ▁until ▁the ▁um bil ical s ▁have ▁been ▁safely ▁st owed . ▁The ▁basic ▁response ▁with ▁a ▁closed ▁bell ▁is ▁similar ▁to ▁wet ▁bell , ▁but ▁after ▁st ow ing ▁um bil ical s , ▁the ▁h atch ▁will ▁be ▁se aled ▁so ▁that ▁internal ▁pressure ▁can ▁be ▁retained . ▁The ▁bell ▁will ▁be ▁recovered ▁as ▁rapidly ▁as ▁possible ▁in ▁a ▁red ▁alert , ▁and ▁may ▁be ▁recovered ▁if ▁there ▁is ▁doubt ▁that ▁a ▁yellow ▁alert ▁will ▁be ▁down grad ed . ▁ ▁Red und ancy ▁Red und ancy ▁is ▁the ▁ability ▁to ▁with stand , ▁while ▁on ▁D P ▁mode , ▁the