MS IRMA (OGDX, LR 5516337) Valmistunut/completed: 1947.10.23, Norge, Fredrikstad, Seutelvens Mek. Verksted. Shipyard no 36.
530 dwt, 361 GRT, 270 HP -> 585 HP (1968), 44.64 x 7.56 x 3.60 m.
1947.10.23: KARI K., Oslo, Fridtjof Kristiansens Rederi A/S. Support ship for fishing boats.
1956: VESLEMØY, Stavanger. Skips-A/S Veslemøy (O. E. Vea)
1961: IRMA, Porvoo. Partrederi Irma (J. A. Grönqvist).
1968.10.25: IRMA, enroute Klaipeda - Rauma loaded with anthracite disappeared in 10 beauf. storm. Last radio contact when "passing Understen lighthouse latitude" and the IRMA was heading for Rauma. Actually the IRMA sailed through Åland archipelago. Eleven lives were lost, two wifes and a son of two years old. 1968.10.30: mate Thorvald Grönqvist was found dead from liferaft off Yxskär, also debris and another life raft. Oil spill was noticed west of Isokari, also echo sounder sighting, but the wreck was not found.
2019.5.21: the hulk was discovered 23 nm west of Isokari, in 43 m deep water.

Document film 2022: Yle Areena: IRMA, myrskyn viemä