In Service: 1941 to 30 March 1944
                    
                    
                    
                    Ordered:
                    Builder: Burmester, 
                    Burg-Lesum
                    
Construction No: 2456
                    
Laid down: 
                    Launched: 22 January 1941
                    
Commissioned: 1941
                    
                    
                    
                    Type: 1937-43 Type R-boat/Räumboot
                    
Class: R25 Class
                    
                    
Displacement: 110 tons standard 126 tons full load
                    
Length: 35.4 m
                    
Beam: 5.55 m
                    
Draft: 1.5 m
                    
Propulsion: 2 × MWM RS 127 Su 6 × cylinder 
                    4 stroke diesel engines producing up to 1,800 ehp
                    
Propellers: 2 × Voith-Schneider
                    
Speed: 23.5 knots
                    
Range: 1,100 nautical miles at 15 knots
                    
Crew: 31 men and officers
                    
Armament:
                    1 × 3.7 cm L/83 SK C/30 later
                    carried 1000 rounds
                    2 × 2 cm MG L/65 C/30
                    carried 2000 rounds
                    10 mines
                    
Armour
                    Aircraft:
                    Electronics: 
                    Operators: Kriegsmarine
                    
Variants: 
                    Other: R-boats 
                    Articles: 
                    
                    
                    
                    The R161 R-boat (Räumboot) was built in the 1940s by 
Burmester 
                    shipyard located in Burg-Lesum, Germany as a minesweeper or escort vessel for the Kriegsmarine.
                    
                    And which served in the 
7. 
                    Räumbootsflottille and 
11. 
                    Räumbootsflottille during the Second World War.
                    
                    
                    
                    1941
                    The R-boat R161 is commissioned.
                    
                    
1941 between 1944
                    The R-boat R161 becomes operational with the 
7. 
                    Räumbootsflottille and 
11. 
                    Räumbootsflottille.
                    
                    
30 March 1944
                    The R-boat R161 is sunk after being attacked by Allied aircraft, 
                    at 1505 hrs in Livorno industrial harbour. 
                    Position 43° 33N 10° 17E.
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    German Warships, 1815-1945: Major Surface Vessels.
                    ISBN-10: 0851775330
                    
                    German Warships, 1815-1945: U-boats and Mine Warfare Vessels.
                    ISBN-10: 155750301X
                    
                    German warships of the Second World War.
                    ISBN-10: 0668040378
                    
                    For a complete list of 
sources