Answer: ropeladder

AnswerCrossword Clue
ROPELADDERLightweight descending aid
ROPELADDERClimbing device
ROPELADDERRatline
ROPELADDEREmergency exit, for some
ROPELADDERIt might be used for an emergency exit
ROPELADDERItem dropped from a helicopter
ROPELADDERBoarding aid, at times (2-5)