O 9. The 3,5" gun has been temporarily removed.

1921

30 Aug 1921: O 9 is ordered.

1922 - 1923

1 Dec 1923 or 23 Sep 1922: O 9 is laid down at the K.M. De Schelde shipyard in Vlissingen.

1925

7 Apr 1925: O 9 is launched

1926

18 Jan 1926: O 9 is commissioned to the Royal Netherlands Navy.

18 Jan 1926 - ? : O 9 is under the command of Ltz. II  .

10 Mar 1926:  The Dutch Royal Family takes a trip on board the O 9.

21 Jun - 30 Jul 1926: O 9, O 11, Maarten Harpertszoon Tromp, Jacob van Heemskerck, Z 7 and Z 8 sail from Nieuwediep (Den Helder) to the Baltic. The visit the ports of Kiel, Göteborg and Drontheim.

19??

? - ? : O 9 is under the command of ?

1929

8 Jul - 8 Aug 1929: O 9, O 10, Jacob van Heemskerck, Z 5 and Z 6 sail to the Baltic for exercises.

1930

1930 - ? : O 9 is under the command of ?

30 Jul 1930: O 9, O 10, Jacob van Heemskerck and Witte de With visit Antwerp (Belgium).

19??

? - 1933 : O 9 is under the command of ?

1931

1 Jul - 7 Aug 1931: O 9, O 8, O 10, Jacob van Heemskerck, Z 7 and Z 8 sail from Nieuwediep (Den Helder) to the Baltic for exercises.

1936

4 May - 20 Jun 1936: O 9, O 10, O 11, Hertog Hendrik and Z 5 sail to the Baltic.

1 Oct 1936 - 8 Apr 1937: O 9 is under the command of Ltz. I  .

1938

10 Aug  - 21 Oct 1938: O 9 is under the command of Ltz. II  .

1939

29 Aug 1939: The Dutch armed forces are mobilized.  O 9, O 10 and O 11 are attached to the 'coastal division". These subs are the offensive part of the coastal defence.

18 Nov 1939 - 22 May 1940: O 9 is under the command of Ltz. II  .

1940

6 Mar 1940: O 9 and O 10 are nearby when the O 11 collides, and subsequently sinks, with the tugboat BV 3. Click here for the full story.

10 May 1940: Germany attacks the Netherlands.

9 May - 11 May 1940: O 9 and O 10 patrol off the Dutch coast. O 9 is attacked  by German planes several times.

9 May 1940 between 20:00 and 24:00 hrs: O 9 and O 10 depart Den Helder and head to their patrol area off the Dutch coast between Egmond and Bergen aan Zee. At approximately 06:00 O 9 raises her scope and takes a fix (using landmarks) on her position. They also spot several smoke columns. Shortly after they receive the message that they are now at war with Germany and that France and England are allies. O 9 continues the routine of submerging during the day and surfacing (to recharge batteries and compressed air) during the night.

10 May 1940 in the morning: O 9 is near Bergen aan Zee. During the night she has recharged her batteries and just before dawn she submerges.

11 May 1940: O 9 and O 10 return to Den Helder.

11 May 1940 during the night: O 9 is ordered to return to Den Helder and to enter port. The commander takes a rout close to the coast (along 'Franse bankje') in order to avoid the German mines in the 'Schulpengat'.

12 May 1940 at +/- 01:00 hrs: O 9 arrives off Den Helder and enters port. During the day she recharges batteries, compressed air and takes on supplies.

12 May 1940: O 9, accompanied by O 10 and tugboat Witte Zee / Bewakingsvaartuig 5 sail to Portsmouth (England).

12 May 1940 in the morning: There are several air attacks from German ME 110. The O 9 crew man's the 8.8 cm gun. Every now and then they have to seek shelter from bullets of other Dutch trawlers (moored off Den Helder).

12 May 1940 in the afternoon: The crew is allowed to pick up their stuff from the Submarine Service barracks.

12 May 1940 at +/- 23:30 hrs: O 9 departs from Den Helder.

15 May 1940: The O 9 arrives off Deal (England). English civilians and Naval personnel comes on board.

Other sources report that the group arrives in Portsmouth (England) on the 15th.

Some days after 15 May 1940: O 9 sails to Gosport (Portsmouth, England), during the transit she has to dive several times because of planes. The next day Admiral Furstner and Queen Wilhelmina visit the Dutch Naval units in Gosport.

May - June 1940: O 9 is based at Portsmouth and is under British operational control.

??: O 9 is equipped with hydrophones and a loop-aerial.

25  (22 is incorrect) May 1940 - 3 (5 is incorrect) Feb 1942: O 9 is under the command of Ltz. II  / Ltz. I  .

29 May - 1 June 1940: O 9 patrols the English Channel (evacuation of Dunkirk and Bordeaux). No attacks are made. It is reported that O 9 has to return to port because her batteries broke down.

2 June 1940: 0 10 departs for Portland (England). When arriving off Portland the O 9 has to dive because planes are attacking Portland, the O 9 crew actually sport the bombs the planes are dropping.

June 1940: A couple of day after O 9 arrives in Portland (England) the Dutch submarines O 10, O 21 and O 22 arrives as well.

June - Aug 1940: O 9 is based at Portland (England) and is under British operational control.

9 July 1940 at 17:00 hrs: O 10 and O 9 depart Portland (England). They are accompanied by the submarines O 23 and the Dutch vessel  Z 6 and sail together to Rothesay (Scotland). Other sources report the O 9 was also accompanied by O 22 and O 23, and that those submarines are both heading for Dundee.

11 July 1940: O 9, O 10, O 23 and Z 6 arrive in Milford Haven (England).

12 July 1940: O 9, O 10, O 23 and Z 6 depart from Milford Haven (England).

14 July 1940: O 9, O 10, O 23 and Z 6 arrive in Rothesay (Scotland).

O 9 is used as an ASDIC piggy boat.

Aug 1940 - Mar 1944: O 9 is attached, as an ASDIC boat,  to the 7th Training Flotilla in Rothesay (Scotland) and is under British operational control. The O 9 is "not" suitable for war patrols because she could not recharge her batteries completely during the short summer nights.

1941

23 Mar - 25 Mar 1941: At midnight O 9 departs from Loch Foyle (Northern Ireland) and heads for Falmouth (England). During this trip she is escorted by several different vessel (one at the time): HMS Richmond, HMS Sceldon and the Dutch IJmuiden.

26 Mar - 27 Mar 1941: O 9 departs from Falmouth (England) and heads for Dartmouth (England). She is escorted by HMS White Bear.

29 Mar - ?5/9? Apr 1941: O 9 departs from Dartmouth (England) and patrols the Bay of Biscay. No attacks are made.

3 Apr 1941: O 9 arrives in her patrol area (48°10'N-10°50'W).

O 9 is part of the so called 'Iron Ring' off Brest harbour (France). This 'Iron Ring' should prevent the German battle cruisers Gneisenau, Scharnhorst and the heavy cruiser Prinz Eugen from leaving port.

7 Apr 1941: Because of a shortage of distilled water (probably for the batteries) the O 9 has to return to port.

9 Apr 1941: O 9 arrives in Falmouth (England).

10 Apr 1941: O 9 departs from Falmouth and sails to Devonport (England)

11 Apr 1941: Escorted by FFS La Moqususe and accompanied by O 10 and the RN submarine H 33 the O 9 departs from Devonport (England). The O 9 leaves the group on the 13th of April and heads for Holyhead (Wales).

? APR - 23 May: After a period of maintenance and exercise in Holyhead (Wales) the O 9 returns her Rothesay (Scotland) exercise area

15 Nov 1941: The commander of O 9, Ltz. II  H.A.W. Goossens, is promoted to Ltz. I

7 Dec 1941: The USA declares war on Japan after Japanese forces attack Pearl Harbour. Approximately 7 hours after the attack the Netherlands also declares war on Japan.

20 Dec 1941: O 9 is on exercise in the Irish Sea when she receives a radio message ordering her back to port (Rothesay).

23 Dec - 25 Dec 1941: O 9 is on transit to her patrol area off Brest (France). Near Milford Haven (England) the O 9 has to return to port because of engine trouble.

23 Dec 1941: O 9 departs from Rothesay (Scotland), she is escorted by FS Capricieuse.

24 Dec 1941: Because of gearbox trouble (gearbox between starboard engine and cooling/lube oil pumps) the O 9 has to return to port.

25 Dec 1941: The O 9 arrives in Milford Haven (England).

O 9 was going to be part of the so called 'Iron Ring' off Brest harbour (France). This 'Iron Ring' should prevent the German battle cruisers Gneisenau, Scharnhorst and the heavy cruiser Prinz Eugen from leaving port.

14 Dec 1941: Japanese planes bomb Tarempah (Anambas Islands) which is Netherlands East Indies territory.

27 Dec 1941: Japanese invaders occupy Tambelan Islands, Dutch territory, between Borneo and Singapore.

31 Dec 1941: The gearbox problem is fixed, a sprocket is replaced.

1942

2 Jan 1942: O 9 teams up with the O 10, Z 5 and Otway (all coming from Wolf Rock). Together they sail to Rothesay (Scotland).

3 Jan 1942: O 9, O 10, Z 5 and Otway arrive in Rothesay (Scotland).

3 Feb (5 Feb or May is incorrect) 1942 - 17 July 1943: O 9 is under the command of Ltz. II  / Ltz. I  .

13 June 1942 or 1943: In Rothesay the crews of the  O 9 and O 10 are inspected by the First Lord of Admiralty Mr. A.V. Alexander and Flag Officer Submarines Sir Max Horton.

1943

13 June 1942 or 1943: In Rothesay the crews of the  O 9 and O 10 are inspected by the First Lord of Admiralty Mr. A.V. Alexander and Flag Officer Submarines Sir Max Horton.

17 July 1943 - 16 Mar 1944: O 9 is under the command of Ltz. II  .

1944

Mar - June 1944: O 9 is based at Londonderry (Northern Ireland) and is under British operational control. She is used as an ASDIC piggy boat.

16 Mar - 28 Sep 1944: O 9 is under the command of Ltz. II  Baron .

June - Oct 1944: O 9 is based at Campbeltown (Scotland) and is under British operational control. She is used as an ASDIC piggy boat.

28 Sep - 11 Oct 1944: O 9 is under the command of Ltz. I  .

2 Oct - 27 Oct 1944: O 9 departs Rothesay (Scotland) and sails to Dundee (Scotland) for several small repairs. On the 27th the boat is available for active service again.

27 Oct - 16 Nov: O 9 is used for ASDIC exercises and the training of personnel. The exercise area is Tay Sanctuary, off Dundee.

11 Oct 1944 - 1 Dec 1944: O 9 is under the command of Ltz. II  .

16 Nov 1944: One of the dive planes of O 9 is heavily damaged, therefore it is impossible for the O 9 to participate further in the exercises and the training of personnel.

1 Dec 1944: Because of her age and because of the heavy dive plane damage the O 9 is decommissioned.

1945

8 May 1945: Germany surrenders.

?1 June 1945: O 9 arrives in Rotterdam (The Netherlands).?

15 Aug 1945: Japan surrenders.

Sep 1945: O 9 is stricken.

Dec 1945 or early 1946: O 9 and O 10 sail to the new Rotterdam (the Netherlands) submarine base.

1946

Oct 1946: O 9 is sold for break up to Hendrik Ido Ambacht.

	Home		Boats	Tenders	News
				Pictures	Links
		M-media				Help US !
	Copyright © 1997-2006 - Design and content DutchSubmarines.com