In 1817 he received his certificate as mate and in 1818 he served on the sloop "Dotterel" during a trip to the Cape of Good Hope.
В 1817 Крозье получил сертификат младшего лейтенанта и в 1818 году служил на шлюпе "Dotterel" во время похода к мысу Доброй Надежды.