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EddieLyons · 02-26-22, 03:41 PM

26 Dec 1941 06:40
My NO has provided the coordinates for the sinking of Kiturin Maru: 132°03’E, 33°27’N.

06:45
I have ordered ahead one third and a new depth of 150 ft. Course is 359°. Now we wait it out.

09:05
We have been running north for two and a half hours, gaining 6 NM from the sinking. I have ordered a course change to 065°. Hydrophone shows no sign of a response yet from enemy forces.

10:45
Sunrise according to the Nautical Almanac.

14:00
132°12’E, 33°37’N.
We’re over 14 NM from the sinking, and still no response. Are the IJN asleep?

14:35
132°13’E, 33°37’N.
I have ordered a course change to 270°.

15:09
Hydrophone has detected a warship bearing 263, long range.

15:30
Sound contact now bearing 207. On a course opposite to ours. My SO is tracking it.

15:47
Sound contact now bearing 170, still increasing range. I’ve ordered my SO back to normal sweep.

16:00
Hydrophone contact lost on warship.

16:21
New sound contact bearing 122. Sounds like the same warship to me, obviously searching for us. My SO is tracking this contact.

16:30
Contact now bearing 102, closing, medium speed. I have ordered silent running.

16:40
Contact bearing 060, moving away.

17:00
Contact now bearing 026, moving away. Most of First and Third Watches are sleeping. That’s good -- I’ll want them well rested and alert for tonight!

17:37
Contact lost bearing 018. I have secured from silent running.

18:08
Soundings show only 65 ft under our keel, so I’ve ordered a new depth of 100 ft.

19:10
I have picked up the warship on hydrophone again, bearing 005. The SO cannot yet distinguish it -- he clearly requires a lot more experience or training!

19:15
Contact now bears 014. Appears to be moving northwards.

19:40
Contact now bearing 028.

20:10
Contact now very faint at bearing 040.

20:30
132°02’E, 33°37’N.
Depth under the keel is down to 62 ft. I’m changing course southwards to deeper water. New course 195°. The Hoyo Strait is about 18 NM ahead. Sunset should be in a few minutes. It should be dark enough by about 21:30 to 22:00 to contemplate surfacing.

20:36
Sunset, according to the Nautical Almanac.

21:00
Hydrophone has picked up an indeterminate contact at 355. We shall proceed with extreme caution -- it might be a stationary enemy just listening for an unsuspecting submarine! I shall bear away to westwards a little to open the range to this possible contact. If necessary, I shall stay submerged at silent running -- we still have over 50% of our battery capacity, but the air is getting a little bit stuffy, with CO2 reading just above 30.

21:20
The possible hydrophone contact is bearing 310 from our new course. Projected, that puts it directly in line with Hoyo Strait. Have the Japanese stationed a picket there? I guess we’ll find out!

22:00
132°00’E, 33°35’N. I am coming to periscope depth.

22:03
Our anomalous hydrophone contact has become clearer -- I do believe we have an enemy submarine in our vicinity, bearing 275, which is no longer in line with Hoyo Strait. I’ve ordered silent running.

22:15
Our “friend” now bears 256, apparently moving eastwards relative to us. I am returning to our plotted course, at 188°, hoping to move through his baffles.

22:32
Contact now bears 277, slowly increasing range.

22:45
Contact now bearing 258.

23:00
Contact now bearing 251, getting fainter. He might be coming about. The next few plot lines on the chart should show that.

23:15
Contact now bearing 245. Faint. No other contacts - it sounds clear ahead.

23:30
Contact now bearing 243. Very faint. He has definitely changed course, possibly coming back towards us. I have ended silent running.

23:37
131°59’E, 33°32’N.
I have conducted a periscope sweep -- clear! Apart from our “friend” there are no hydrophone contacts. I have ordered the boat to surface, ahead full, course 188°!

23:45
Weather is still clear and settled. Pity. I could have done with a storm right about now!

27 Dec 1941 00:40
131°59’E, 33°19’N.
We are passing through the Hoyo Strait. We made our turn to a course of 325° at 131°58’E, 33°21’N. In the moonlight I have spotted a shore emplacement on the island on the west side of the Strait, and another on the mainland beyond. No sign of activity at either one. Perhaps we’ve caught them asleep? I’ll maintain ahead full until we've gained more range.

01:00
I have ordered ahead standard, to conserve fuel and make us a little more stealthy.

01:05
A binocular sweep shows no sign of enemy vessels ahead, or any pursuit from behind.

01:50
132°08’E, 33°07’N.
We have turned to a new course of 112°. At this rate we should be out of the Bungo Suido in about two hours. These waters were infested with fishing boats when we last passed through here. There’s no sign of them, now. Perhaps bringing the war to their home has put some fear into their hearts!

02:23
132°14’E, 33°04’N. Changed course to 184°.

02:27
Hydrophone contact ahead. Warship bearing 351, long range, constant distance. I knew this was too good to last. But, we are in good shape, with batteries recharged above 80%. We have detected only one warship, so we should be able to avoid him.

02:44
I have spotted two distant ships in binoculars, bearing 350, long range. I have ordered periscope depth and silent running. We proceed with utmost caution from here.

02:50
The enemy is patrolling the centre of the entrance to Bungo Suido. I have ordered a change of course to 214°, to the west side of the channel, to maximise our separation from them, and a new depth of 120 ft.

03:09
One warship is closing our position, slowing down. I have ordered all stop.

03:18
Hydrophone contact bearing 032, medium speed, closing.

03:20
Active sonar! Ahead flank, hard to port! New depth 200 ft.

03:23
We have taken major damage from multiple depth charges - flooding, forward batteries -- much more. I have blown ballast to halt our sinking.

03:28
We are being attacked again!

03:29
Multiple close depth charges. I have blown ballast again to control sinking.

03:33
Active sonar again. We are sinking. I have blown ballast for a third time! Flank speed gives us only 2 to 5 kts. I am attempting to reach shallow water to abandon ship. But we are under attack for a third time!

03:37
Another six depth charges, but no further damage.

03:38
Blown ballast for a fourth time. We don’t have much compressed air left! More active sonar! Making only 2 kts at flank speed.

03:42
We are sinking again.

03:43
I have blown ballast for a fifth time!

03:45
We are under attack again! Making only 1 kt at flank speed.

03:48
We have struck the bottom. Depth 260 ft. Still alive! I have ordered all stop. Latest attack was only one relatively distant depth charge!

03:51
Forward torpedo room is pumping out water. The forward dive planes transmission is shot. The enemy is attacking again, directly overhead. Four depth charges that stirred us a little, but otherwise no new damage.

03:57
We are under attack again. Only three depth charges, no further damage. Depth gauge shows 270 ft.

03:59
More active sonar. Hopefully we are now mimicking a big rock! My NO reckons we are at 132°12’E, 33°00’N.

04:03
Five more depth charges, but no damage. We are probably too deep! But he knows we’re around here, somewhere.

04:06
More active sonar. My crew is holding up well. Several injuries, mostly minor, but no fatalities. Water is being pumped out of the forward torpedo room. Forward batteries are under repair, but that is a slow job. We had some flooding in the control room earlier, but that has been pumped out. It looks like the forward part of my boat took the brunt of the damage, but all bulkheads are intact. Biggest concern is that our compressed air is down to only 18 per cent, and slowly decreasing. We must have a slight leak somewhere.

04:07
Five more depth charges. A little shaken, but no additional damage.

04:09
Active sonar.

04:11
We are under attack again. Only two depth charges nearby, and three further away.

04:15
Active sonar. We are under attack again. Only three depth charges, two somewhat distant, one closer, but obviously not deep enough.

04:19
More active sonar.

04:20
Another attack.

04:21
Massive explosion nearby. Damage taken …

[CTD]

NOTE: Unfortunately, at this point I had a CTD. Rather than returning to a save file, I regard USS Nautilus as lost with all hands, 27 Dec, 1941.

02-26-22, 03:41 PM	#28
EddieLyons Watch Join Date: Sep 2010 Posts: 28 Downloads: 72 Uploads: 0	Impossible mission?! (Part 5) 26 Dec 1941 06:40 My NO has provided the coordinates for the sinking of Kiturin Maru: 132°03’E, 33°27’N. 06:45 I have ordered ahead one third and a new depth of 150 ft. Course is 359°. Now we wait it out. 09:05 We have been running north for two and a half hours, gaining 6 NM from the sinking. I have ordered a course change to 065°. Hydrophone shows no sign of a response yet from enemy forces. 10:45 Sunrise according to the Nautical Almanac. 14:00 132°12’E, 33°37’N. We’re over 14 NM from the sinking, and still no response. Are the IJN asleep? 14:35 132°13’E, 33°37’N. I have ordered a course change to 270°. 15:09 Hydrophone has detected a warship bearing 263, long range. 15:30 Sound contact now bearing 207. On a course opposite to ours. My SO is tracking it. 15:47 Sound contact now bearing 170, still increasing range. I’ve ordered my SO back to normal sweep. 16:00 Hydrophone contact lost on warship. 16:21 New sound contact bearing 122. Sounds like the same warship to me, obviously searching for us. My SO is tracking this contact. 16:30 Contact now bearing 102, closing, medium speed. I have ordered silent running. 16:40 Contact bearing 060, moving away. 17:00 Contact now bearing 026, moving away. Most of First and Third Watches are sleeping. That’s good -- I’ll want them well rested and alert for tonight! 17:37 Contact lost bearing 018. I have secured from silent running. 18:08 Soundings show only 65 ft under our keel, so I’ve ordered a new depth of 100 ft. 19:10 I have picked up the warship on hydrophone again, bearing 005. The SO cannot yet distinguish it -- he clearly requires a lot more experience or training! 19:15 Contact now bears 014. Appears to be moving northwards. 19:40 Contact now bearing 028. 20:10 Contact now very faint at bearing 040. 20:30 132°02’E, 33°37’N. Depth under the keel is down to 62 ft. I’m changing course southwards to deeper water. New course 195°. The Hoyo Strait is about 18 NM ahead. Sunset should be in a few minutes. It should be dark enough by about 21:30 to 22:00 to contemplate surfacing. 20:36 Sunset, according to the Nautical Almanac. 21:00 Hydrophone has picked up an indeterminate contact at 355. We shall proceed with extreme caution -- it might be a stationary enemy just listening for an unsuspecting submarine! I shall bear away to westwards a little to open the range to this possible contact. If necessary, I shall stay submerged at silent running -- we still have over 50% of our battery capacity, but the air is getting a little bit stuffy, with CO2 reading just above 30. 21:20 The possible hydrophone contact is bearing 310 from our new course. Projected, that puts it directly in line with Hoyo Strait. Have the Japanese stationed a picket there? I guess we’ll find out! 22:00 132°00’E, 33°35’N. I am coming to periscope depth. 22:03 Our anomalous hydrophone contact has become clearer -- I do believe we have an enemy submarine in our vicinity, bearing 275, which is no longer in line with Hoyo Strait. I’ve ordered silent running. 22:15 Our “friend” now bears 256, apparently moving eastwards relative to us. I am returning to our plotted course, at 188°, hoping to move through his baffles. 22:32 Contact now bears 277, slowly increasing range. 22:45 Contact now bearing 258. 23:00 Contact now bearing 251, getting fainter. He might be coming about. The next few plot lines on the chart should show that. 23:15 Contact now bearing 245. Faint. No other contacts - it sounds clear ahead. 23:30 Contact now bearing 243. Very faint. He has definitely changed course, possibly coming back towards us. I have ended silent running. 23:37 131°59’E, 33°32’N. I have conducted a periscope sweep -- clear! Apart from our “friend” there are no hydrophone contacts. I have ordered the boat to surface, ahead full, course 188°! 23:45 Weather is still clear and settled. Pity. I could have done with a storm right about now! 27 Dec 1941 00:40 131°59’E, 33°19’N. We are passing through the Hoyo Strait. We made our turn to a course of 325° at 131°58’E, 33°21’N. In the moonlight I have spotted a shore emplacement on the island on the west side of the Strait, and another on the mainland beyond. No sign of activity at either one. Perhaps we’ve caught them asleep? I’ll maintain ahead full until we've gained more range. 01:00 I have ordered ahead standard, to conserve fuel and make us a little more stealthy. 01:05 A binocular sweep shows no sign of enemy vessels ahead, or any pursuit from behind. 01:50 132°08’E, 33°07’N. We have turned to a new course of 112°. At this rate we should be out of the Bungo Suido in about two hours. These waters were infested with fishing boats when we last passed through here. There’s no sign of them, now. Perhaps bringing the war to their home has put some fear into their hearts! 02:23 132°14’E, 33°04’N. Changed course to 184°. 02:27 Hydrophone contact ahead. Warship bearing 351, long range, constant distance. I knew this was too good to last. But, we are in good shape, with batteries recharged above 80%. We have detected only one warship, so we should be able to avoid him. 02:44 I have spotted two distant ships in binoculars, bearing 350, long range. I have ordered periscope depth and silent running. We proceed with utmost caution from here. 02:50 The enemy is patrolling the centre of the entrance to Bungo Suido. I have ordered a change of course to 214°, to the west side of the channel, to maximise our separation from them, and a new depth of 120 ft. 03:09 One warship is closing our position, slowing down. I have ordered all stop. 03:18 Hydrophone contact bearing 032, medium speed, closing. 03:20 Active sonar! Ahead flank, hard to port! New depth 200 ft. 03:23 We have taken major damage from multiple depth charges - flooding, forward batteries -- much more. I have blown ballast to halt our sinking. 03:28 We are being attacked again! 03:29 Multiple close depth charges. I have blown ballast again to control sinking. 03:33 Active sonar again. We are sinking. I have blown ballast for a third time! Flank speed gives us only 2 to 5 kts. I am attempting to reach shallow water to abandon ship. But we are under attack for a third time! 03:37 Another six depth charges, but no further damage. 03:38 Blown ballast for a fourth time. We don’t have much compressed air left! More active sonar! Making only 2 kts at flank speed. 03:42 We are sinking again. 03:43 I have blown ballast for a fifth time! 03:45 We are under attack again! Making only 1 kt at flank speed. 03:48 We have struck the bottom. Depth 260 ft. Still alive! I have ordered all stop. Latest attack was only one relatively distant depth charge! 03:51 Forward torpedo room is pumping out water. The forward dive planes transmission is shot. The enemy is attacking again, directly overhead. Four depth charges that stirred us a little, but otherwise no new damage. 03:57 We are under attack again. Only three depth charges, no further damage. Depth gauge shows 270 ft. 03:59 More active sonar. Hopefully we are now mimicking a big rock! My NO reckons we are at 132°12’E, 33°00’N. 04:03 Five more depth charges, but no damage. We are probably too deep! But he knows we’re around here, somewhere. 04:06 More active sonar. My crew is holding up well. Several injuries, mostly minor, but no fatalities. Water is being pumped out of the forward torpedo room. Forward batteries are under repair, but that is a slow job. We had some flooding in the control room earlier, but that has been pumped out. It looks like the forward part of my boat took the brunt of the damage, but all bulkheads are intact. Biggest concern is that our compressed air is down to only 18 per cent, and slowly decreasing. We must have a slight leak somewhere. 04:07 Five more depth charges. A little shaken, but no additional damage. 04:09 Active sonar. 04:11 We are under attack again. Only two depth charges nearby, and three further away. 04:15 Active sonar. We are under attack again. Only three depth charges, two somewhat distant, one closer, but obviously not deep enough. 04:19 More active sonar. 04:20 Another attack. 04:21 Massive explosion nearby. Damage taken … [CTD] NOTE: Unfortunately, at this point I had a CTD. Rather than returning to a save file, I regard USS Nautilus as lost with all hands, 27 Dec, 1941.