ML424 motor launches (1942-1944)

ML424 1943

Names	ML424 - 431 ML801 - 827
Builders	Green Point Boatyard, Sydney: ML424 - 431, 801 - 812 Halvorsen, Sydney: ML813, 814, 817 - 825 Norman Wright, Brisbane, Australia: ML815, 816, 826, 827
Completed	1 - 12.1942: ML813, 814 1 - 12.1943: ML424 - 431, 801 - 812, 815 - 824 1 - 12.1944: ML825 - 827
Losses	ML430 (8/1944), ML827 (20.11.1944)
Transfers	None
Discarding	1947: ML424 - 429, 431 1949: ML801-826

Displacement standard, t

75.5

Displacement full, t
85.6

Length, m
34.8

Breadth, m
5.59

Draught, m
1.45 deep load

No of shafts
2

Machinery

2 Hall-Scott petrol engines

Power, h. p.
1200

Max speed, kts

18

Fuel, t

petrol 10500 l

Endurance, nm(kts)

Armament

1 x 1 - 47/40 3pdr Hotchkiss Mk I, 2 x 1 - 7.7/87, 2 DCR (12)

boats completed from 1944: 1 x 1 - 47/40 3pdr Hotchkiss Mk I, 1 x 2 - 20/70 Oerlikon Mk II/IV, 1 x 1 - 20/70 Oerlikon Mk II/IV, 2 x 2 - 7.7/94, 2 DCT (6), 14 DC or 8 - 9 mines

Electronic equipment

completed 1942: type 134 sonar

completed 1942-1943: type 286PU radar, type 134 sonar

completed 1943-1945: type 291U or type 293 radar, type 134 sonar

Complement
16

Project history: The successful multi-purpose boats used as minesweepers, minelayers and ASW boats. Wooden, round-bilge hull. 52 more boats (in the list are not specified) have completed as rescue launches. Canadian ML001-080 have renamed ML050-129 later, that has created some mess in numbering since the part of these numbers has already been used for a designation of boats of 1st series. In the end of 1940 for defence again waited landing of German troops to British isles 60 boats of early series have received 2 533 TT removed from former American flushdeckers.

Modernizations: 1942-1943, most survived earlier boats: + type 286PU radar

1943-1944, most survived earlier boats: - type 286PU radar; + type 291U or type 293 radar

by 1944, many boats: - 2 x 1 - 7.7/87; + 1 x 2 - 20/70 Oerlikon Mk II/IV, 1 x 1 - 20/70 Oerlikon Mk II/IV, 2 x 2 - 7.7/94

Naval service: No significant events.

Displacement standard, t	75.5
Displacement full, t	85.6
Length, m	34.8
Breadth, m	5.59
Draught, m	1.45 deep load
No of shafts	2
Machinery	2 Hall-Scott petrol engines
Power, h. p.	1200
Max speed, kts	18
Fuel, t	petrol 10500 l
Endurance, nm(kts)
Armament	1 x 1 - 47/40 3pdr Hotchkiss Mk I, 2 x 1 - 7.7/87, 2 DCR (12) boats completed from 1944: 1 x 1 - 47/40 3pdr Hotchkiss Mk I, 1 x 2 - 20/70 Oerlikon Mk II/IV, 1 x 1 - 20/70 Oerlikon Mk II/IV, 2 x 2 - 7.7/94, 2 DCT (6), 14 DC or 8 - 9 mines
Electronic equipment	completed 1942: type 134 sonar completed 1942-1943: type 286PU radar, type 134 sonar completed 1943-1945: type 291U or type 293 radar, type 134 sonar
Complement	16

AUSTRALIAN NAVY - AUSTRALIA