North Vienamese motor launches sighted at Haiphing probably based at Cac Ba according to the Australia Station Intelligence Summary dated 1 February 1956

An item reported that the 14 North Vietnamese motor launches (M.L.’s) sighted at Haiphong up to August 1955 seemed to be based in an naval command area probably with as headquarters Cac Ba.

Source

Website Royal Australian Navy, Sea Power Centre.

Pakistani seaward defence motor launch (ex-SDML 1266) SDML 3520 1950s

©Warshipsresearch.blogspot.com

HDML type. Formerly known as Harbour Defence Motor Launch, renumbered in 1951. Displacement 46 (standard)-54 (full load) tons and as dimensions 72 (over all) x 15 5/6 x 5 1/3 feet. Diesel propulsion with 2 shafts, horsepower 320 bhp and a speed if 12 knots. Crew numbered 14 men. Armament consisted of 1-3pd gun, 1-2cm anti aircraft gun. 

Pakistani seaward defence motor launch (ex-SDML 1263) SDML 3519 1950s

©Warshipsresearch.blogspot.com

HDML type. Formerly known as Harbour Defence Motor Launch, renumbered in 1951. Displacement 46 (standard)-54 (full load) tons and as dimensions 72 (over all) x 15 5/6 x 5 1/3 feet. Diesel propulsion with 2 shafts, horsepower 320 bhp and a speed if 12 knots. Crew numbered 14 men. Armament consisted of 1-3pd gun, 1-2cm anti aircraft gun. 

Pakistani seaward defence motor launch (ex-SDML 1262) SDML 3518 1950s

©Warshipsresearch.blogspot.com

HDML type. Formerly known as Harbour Defence Motor Launch, renumbered in 1951. Displacement 46 (standard)-54 (full load) tons and as dimensions 72 (over all) x 15 5/6 x 5 1/3 feet. Diesel propulsion with 2 shafts, horsepower 320 bhp and a speed if 12 knots. Crew numbered 14 men. Armament consisted of 1-3pd gun, 1-2cm anti aircraft gun. 

Bulgarian minelayers and minesweepers according to a C.I.A. report dated 13 November 1952

An item reported around 30 minesweepers of various tonnage in service. Six were allegedly motor launches handed over by the Soviet Union which could be original part of the Kriegsmarine air support. Three minesweepers were allegedly fitted out as minelayers.

Source

C.I.A. report no. CIA-RDP83-00415RO12700120006-1

Pakistani seaward defence motor launch (ex-SDML 1261) SDML 3517 1950s

©Warshipsresearch.blogspot.com

HDML type. Formerly known as Harbour Defence Motor Launch, renumbered in 1951. Displacement 46 (standard)-54 (full load) tons and as dimensions 72 (over all) x 15 5/6 x 5 1/3 feet. Diesel propulsion with 2 shafts, horsepower 320 bhp and a speed if 12 knots. Crew numbered 14 men. Armament consisted of 1-3pd gun, 1-2cm anti aircraft gun. 

Operating ASDIC equipment by Sub Lieutenant Dudley Ross and Able Seaman Robert Stutsell on board of HMAS ML426 at New Guinea in 1944

Roy Hodgkinson. Australian War Memorial

Description: Anti-submarine equipment of HMAS ML426 (ML is motor launch) a ship built in Australia and known as the Fairmile. Sub Lieutenant Dudley Robin Ross, Royal Australian Naval Volunteer Reserves, on the right, is carrying out an attack on an enemy submarine using the ASDIC (Anti Submarine Detection Investigation Committee) equipment in the wheelhouse. On the left, S5176 Able Seaman Robert Myles John Stutsell is relaying the report through to the bridge and steering the Fairmile towards the indicated location of the submarine. Stutsell was trained for this work in England and also served with the Royal Navy.

Source

. 

Events of the former Austro-Hungarian Danube flotilla according to the Weekly Intelligence Summary No. 15 for the week ending 29 March 1919

An item reported that after the governement of count Karolyi fell the Bosnia, Enns, Sava, Barsch and 2 motor launches all part of the Danube Flotilla on 22 March left Baja for Budapest flying British and French flags commanded by captain Haggard. Purpose was to ensure the safety of the Alllied Mission. Received by rifle fire was one Serbian officer wounded and the ML-228 captured and disarmed. The next day were Haggard and the member of the Armistisce Commission taken prisoner. The ML-228 however was rearmed and released with excuses. The monitors had been gone back to Baja to prevent being captured. On 24 March asked admiral Troubridge (1) for monitors of the smallest type, motor launches, more officers and regular coal supplies. Him was answered that there were none British monitors available but that the Ladybird was retained on the Danube, six motor launches to be sent and around 20 officers were to leave England immediately for Budapest. Haggard reported on 25 March to be prisoner of the Hungarian Revolutionary Government. Both motor launches were at Budapest one to to remain until the Allied Commission might leave. The Hungarian government claimed that the Allied Commission was not detained and would be escorted to the demarcation line. A day later was their departure to Neusatz reported. Haggard arrived with the M.L. 210 en 228 on 30 March at Baja. Lieutenant commander Freeman stayed behind at Budapost to organize the departure of Allied civilians and others.

Note

1. Sir Ernest Charles Thomas Troubridge (15 July 1862 Hampstead, England-28 January 1926 Biarritz, France), served between 1875-1924, after the First World War member of the Danube Commisssion?

Source

The National Archives, Kew Gardens, England CAB-24-77-68