 Ramba uchiverenga ndima ino - Ommanney akasimudzirwa kuva mukuru mukuru musi wa9 October 1840, uye kubva muna August 1841 kusvika pakupera kwa1844 akashanda ari mungarava yainzi HMS Vesuvius muGungwa reMediterranean. Pano akashandiswa pamhenderekedzo yeMorocco kudzivirirwa kwevanhu veBritain panguva yekurwisana kweFrance, iyo yaisanganisira kubhombwa kweTangier nePrince de Joinvilles naval squadron. Ommanney akasimudzirwa kuva kaputeni musi wa9 Mbudzi 1846, uye kubva muna 1847 kusvika muna 1848 akashanda pasi pekomisheni yehurumende panguva yeIrish Famine, kuita kuti matanho okuyamura ashande uye mutemo mutsva wevarombo. Muna 1845 Ommanney akasarudzwa kuva nhengo yeRoyal Geographical Society, uye musi wa4 Chikumi 1848 akasarudzwa kuva nhengo yeRoyal Society FRS. 