The Royal Navy 1919-39

Part Twenty One - The Situation on 3rd September 1939 ITTL
The situation on 3rd September 1939 ITTL

57 Submarines
12 old submarines completed 1918-19
9 H class
3 L class​
45 new submarines completed 1927-39
9 O class
5 P class
4 R class
12 S class
3 T class
3 U class
3 Thames class
6 Porpoise class​
12 under construction
12 T class​
12 Aircraft Carriers, 2 Seaplane Carriers and 2 Depot Ships plus 7 under construction
12 aircraft carriers with the number of aircraft embarked in brackets
Sans Pareil (nil) completed 1939
Britannia (nil) completed 1939
Ark Royal (72) completed 1938
Benbow (72) completed 1937
Canopus (72) completed 1936
Monarch (72) completed 1935
Marlborough (72) completed 1934
Dreadnought (72) completed 1933
Hermes (12) completed 1924
Furious (nil) completed 1917
Courageous (48) completed 1916
Glorious (48) completed 1916​
2 Seaplane Carriers
Albatross
Pegasus​
2 Depot Ships
Argus completed 1918 a depot ship for Queen Bee target drones
Eagle class completed 1924 an aircraft maintenance ship​
6 Aircraft Carriers and one Depot Ship under construction
6 Super Implacable class
1 Unicorn class​
15 Capital Ships plus 5 under construction, 4 on order and 2 more planned
2 Nelson class completed 1927
1 Hood class completed 1920
Hood fully modernised 1937-41​
2 Repulse class completed 1916
Repulse fully modernised 1932-36
Renown fully modernised 1932-39​
5 Revenge class completed 1916-17
5 Queen Elisabeth class completed 1914-15
Barham fully modernised 1930-34
Queen Elisabeth fully modernised 1931-34
Malaya fully modernised 1934-37
Warspite fully modernised 1934-37
Valiant fully modernised 1937-39​
5 capital ships under construction, 4 on order and 2 planned
5 King George V class under construction
4 Lion class on order and 2 planned (ITTL 2 of the Super Implacables were laid down in place of Lion and Temeraire)​
86 Cruisers (5 RAN and 2 NZ Division) plus 15 under construction
33 old cruisers
1 old Town class (RAN) completed 1922
13 C class completed 1917-19
8 D class completed 1918-22
4 Modified D class completed 1925
3 Modified E class completed 1926
4 Cavendish class completed 1919-25​
53 new cruisers
23 Leander class (Group 1) completed 1928-32
20 Leander class (Group 2) completed 1933-37
8 Southampton class completed 1937-39
2 Edinburgh class completed 1939
15 under construction
15 Edinburgh class​
220 (24½ flotillas) Destroyers (5 RAN and 9 RCN) plus 40 under construction
67 (7½ flotillas) old destroyers (5 RAN) completed 1918-24
58 V&W class destroyers (4 RAN)
9 Scott & Shakespeare class flotilla leaders (1 RAN) plus Bruce disarmed as a target.​
153 (17 flotillas) new destroyers completed 1927-39
2 Experimental Fifteen Hundred Ton class
135 (15 flotillas) Fifteen Hundred Ton class (9 RCN)
16 (2 flotillas) Porcupine class​
40 (5 flotillas) under construction
40 Porcupine class (8 RAN)​
136 Minor War Vessels (3 RAN and 6 RIN) plus 114 under construction
68 escort vessels (ex-sloops)
8 old sloops (1 RAN and 2 RIN)
60 new sloops (2 RAN and 4 RIN)​
68 fleet minesweepers
26 Old Hunt class
42 Halcyon class​
114 under construction (2 RAN and 4 RIN)
2 Grimsby class (2 RAN)
4 Black Swan class escort vessels (4 RIN)
28 Black Swan class escort vessels (8 in 1938-39 Estimates and 20 in 1939-40 Estimates)
60 River class escort vessels (4 France) (1939-40 Supplementary Estimate)
20 Bangor class fleet minesweepers (1939-40 Estimates)​
 
Last edited:
Update - Version 1.0
Version 1.0 Completed at Friday 24th March 2017
Part 03 - Plans and Reality - The 1919 Plan
Part 04 - Plans and Reality - The 1924 Plan
Part 05 - Plans and Reality - Admiralty Plans in 1929 Before the First London Naval Conference
Part 06 - Plans and Reality - The Situation in 1934
Part 07 - Plans and Reality - The "One Power" Naval Standard 1934-35
Part 08 - Plans and Reality - The "Two Power" Naval Standard 1935-36
Part 09 - The Situation at 3rd September 1939 IOTL
Part 10 - Armament and the Naval Armaments Industry
Part 11 - Submarines
Part 12 - Aircraft Carriers
Part 13 - Battleships
Part 14 - Cruisers
Part 15 - Destroyers
Part 16 - Minor War Vessels

Part 21 - The Situation on 3rd September 1939 ITTL

The above are now complete or as complete as they ever will be.​
 
Update - Version 1.2
Version 1.2 Completed at Monday 27th March 2017
Part 16 - Minor War Vessels - Amended
Part 17 - Coastal Warfare Vessels - Complete
Part 18 - Amphibious Warfare Vessels and Auxiliaries - The following sub-sections are now complete:
  • Royal Navy Manned Depot Ships and Auxiliaries
  • The Royal Fleet Auxiliary in 1939 from Jane's Fighting Ships 1939
  • Tanker Construction IOTL
  • Tanker Construction ITTL
Part 19 - Summary of Building Programmes IOTL and ITTL
This has been amended by adding the estimated cost of the extra warships. That was planned to be in Part Twenty, but I decided that it fitted better here.​
Part 21 - The Situation on 3rd September 1939 ITTL - Amended​
 
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