Nummer: 27324
| Area : | Indic Ocean |
| Date of attack : | 22.02.1944 |
| Nationality of U-boat : | Japanese |
| U-boat : | I-37 |
| Commander : | Nakagawa |
| presumed target type : | Steam Freighter |
| presumed result : | sunk |
| Number of torpedoes/mines : | 3 |
| Used weapon(s) : | Torpedo(es) + Gunfire |
| Date of observation : | 22.02.1944 |
| Time of observation : | 10:30 |
| Nationality of target : | British |
| Actual type of target : | Steam Tanker |
| Name of target : | British Chivalry |
| Year of launch : | 1929 |
| Actual tonnage : | 7118 BRT |
| Actual result : | sunk |
| Position of target : | 00.50s 68.00e |
| Footnote : | According to survivors' reports, 12 of 51 crew members on rafts and in boats were killed by machine-gunfire from the submarine, one became POW. The rest of the crew was rescued only after 37 days at sea. |
| updated on: | 20.03.2013 |
| Remark: | 3TA ; 10h30 |