deck ▁and ▁a ▁pair ▁of ▁ 9 - p ound er ▁can non ▁and ▁two ▁more ▁ 3 2 - p ound er ▁car ron ades ▁in ▁forec ast le . ▁The ▁ship ▁had ▁a ▁crew ▁of ▁ 3 1 5 ▁officers ▁and ▁ratings . ▁ ▁Const ruction ▁and ▁career ▁N ere us , ▁the ▁second ▁ship ▁of ▁her ▁name ▁to ▁serve ▁in ▁the ▁Royal ▁Navy , ▁was ▁ordered ▁on ▁ 2 4 ▁April ▁ 1 8 1 7 , ▁laid ▁down ▁in ▁January ▁ 1 8 1 9 ▁at ▁P embro ke ▁D ock yard , ▁Wales , ▁and ▁launched ▁on ▁ 3 0 ▁July ▁ 1 8 2 1 . ▁She ▁was ▁completed ▁for ▁ordinary ▁ ▁at ▁P ly mouth ▁D ock yard ▁ 2 2 ▁August – 1 2 ▁September ▁ 1 8 2 1 ▁and ▁the ▁ship ▁was ▁roof ed ▁over ▁from ▁the ▁main m ast ▁forward . ▁The ▁ship ▁cost ▁£ 2 3 , 2 2 3 ▁to ▁built ▁and ▁£ 3 , 8 9 2 ▁to ▁fit ▁out ▁for ▁ordinary . ▁N ere us ▁was ▁converted ▁for ▁service ▁at ▁the ▁cost ▁of ▁£ 1 0 , 5 5 7 ▁as ▁a ▁store ▁ship ▁and ▁coal ▁h ulk ▁in ▁August – Dec ember ▁ 1 8 4 3 ▁at ▁P ly mouth ▁for ▁service ▁at ▁Val para í so , ▁Chile . ▁By ▁December ▁ 1 8 5 6 , ▁the ▁ship ▁was ▁station ed ▁in ▁Cal la o , ▁Peru , ▁but ▁had ▁returned ▁to ▁Val para