Nummer: 26004
| Area : | Indic Ocean |
| Sea area : | Southeast Asia |
| Date of attack : | 18.02.1942 |
| Time of attack : | 03:00 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-155 |
| Commander : | Nakajima |
| presumed target type : | Steam Freighter |
| presumed result : | sunk |
| Used weapon(s) : | Torpedo(es) |
| Date of observation : | 18.02.1942 |
| Nationality of target : | Norwegian |
| Actual type of target : | Steam Tanker |
| Name of target : | Madrono |
| Year of launch : | 1917 |
| Actual tonnage : | 5894 BRT |
| Actual result : | target visibly missed |
| Position of target : | N Sunda Strait |
| Footnote : | I-155 reported another transport sunk north of Sunda Strait. - The Norwegean tanker "Madrono" was neither sunk nor damaged by I-155; she became a prize of the German raider "Thor" on Jul.7th, 1942. |
| updated on: | 00.00.0000 |
| Remark: | Madrono (5849) |
| Changes: | 1) sensuikan: nw -DT Madrono 2) Lloyds War Losses, p.1003: Madrono am 4.7.42 von HSK Thor erbeutet. 3) warsailors: bestätigt sensuikan - kein Datum, E/ Lombok NEI |