CAPTAIN'S LOG
| Date and Time | Location | Occurrences | 
| 22.10.41. | ||
| 2054 | Patrol 27 U-153, 2nd Flotilla Left at: October 22, 1941, 20:54 From: Lorient Mission Orders: Patrol grid DH33 | |
| 24.10.41. | ||
| 2030 | Grid BF 74 | Ship sunk! Medium Cargo, 5081 tons | 
| 29.10.41. | ||
| 0142 | Grid CE 86 | Ship sunk! Small Merchant, 2396 tons | 
| 4.11.41. | ||
| 0402 | Grid DP 32 | Ship sunk! Whale Factory Ship, 12017 tons | 
| 18.11.41. | ||
| 1418 | Grid EN 32 | Ship sunk! Medium Cargo, 5016 tons | 
| 30.11.41. | ||
| 0248 | Grid DH 45 | Ship sunk! Coastal Freighter, 1873 tons | 
| 0248 | Grid DH 45 | Ship sunk! Ore Carrier, 8084 tons | 
| 0254 | Grid DH 45 | Ship sunk! Coastal Freighter, 1869 tons | 
| 0259 | Grid DH 45 | Ship sunk! Nipiwan Park-type Tanker, 2476 tons | 
| 0312 | Grid DH 45 | Ship sunk! Passenger/Cargo, 2247 tons | 
| 3.12.41. | ||
| 0504 | Patrol results Crew losses: 2 dead Ships sunk: 9 Aircraft destroyed: 0 Patrol tonage: 41059 tons |