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Bubblehead1980 · 03-19-22, 02:10 PM

U.S.S. CISCO SS-290 Operation Report of First Sea Trial
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PROLOGUE

U.S.S CISCO SS-290, is the fifth submarine of the BALAO class constructed and was placed into
commission on MAY 10, 1943, Commander James W. Coe, USN, commanding. CISCO is named for a whitefish of the Great Lakes, the only US Naval Vessel named so thus far.
In the weeks following commissioning, CISCO underwent final fitting out prior to trials, including installation of
a new SJ Surface search radar, twin 20mm guns forward and aft on the bridge, as well as on the aft deck.

Officers

CDR J.W. Coe, USN. CO
CDR A.F. Weinel, USN. XO
LCDR John D. Miller, USN.
LT W.H. Louney, USN.
LT H.B. Berry, USN.
LT jg G.P. Hoover, USN.
ENS C.I. Petersen, USN.

CPO's

Toebbe, H.E., USN. CTM (Chief of the Boat)
Gurganus, A.A., USN. CTM
Sunday, L.W., USN CBM
Anderson, D.F., USN CMoMM
Dragich, J., USN CMoMM
Sheehan, C.R., USNR. CMoMM

Total complement: Seven officers, Sixty-nine crew.

Twenty Four MK 14 torpedoes loaded 1-2 June. Ready for sea June 2.

NARRATIVE

JUNE 3
_______

0900 Underway from Mare Island, CA for training area to conduct
diving drills and plot/intercept/navigation exercises.

0910 Fell in line astern of escort, ANDERSON DD 411.
(Ship Contact No.1)

0940 Passed below Golden Gate Bridge.

1000 Spotted Australian flagged AK bearig 045 11000 yds.
(Ship Contact No.2)

1006 Spotted PBY (Aircraft Contact No.1)

1030 Escort detached. Signaled X WELL DONE X DD replied X GOOD LUCK X

1032 Increased speed to standard (15.5 kts)

1137 (Ship Contact No.3) Spotted AK bearing 005 10500 yds.

1430 Arrived in training area. Began preparations.

1440 DIVE NO.1

Surface Speed: 15 kts Course 155
Dive Time: 45 seconds
Depth: 64 ft.

1505 Surfaced.

1535 DIVE NO.2

Surface Speed: 17 kts
Dive Time: 44 seconds
Depth: 100 ft

1601 Surfaced

1615 DIVE NO.3
Surface Speed: 20.5 kts
Dive Time: 40 seconds
Depth: 150 ft
Remark: Dive was a high speed 'Crash Dive' from surface to 150 feet.
Time from surface ot submergence was 40 seconds.

1618 Leveled off at 150 ft.

1631 Surfaced.

1830 DIVE NO.4
Surface Speed: 20.5 kts
Dive Time: 39 seconds
Depth: 150 ft
Remark: 'Crash Dive'

1900 Surfaced. Diving drills concluded for the day.
Test and Deep Dive scheduled for following morning.

JUNE 4
______

0500 At dawn overcast and light fog arrived with 14 knt winds direction 159. Seas had a light chop.
Decided to watch weather but 0700 dive remained scheduled.

0650 Crew called to GENERAL QUARTERS. Rigged for deep submergence.

0700 DIVE NO. 5
Surface Speed: 11 kts
Dive Time: 51 seconds
Depth: 412 ft
Remark: First Dive to Test Depth- 412 ft.
Dive was slow and steady, checking all functions
during descent. Initial dive angle 25 degrees down,
steadied to 15 degrees

0705 Thermal layer detected at 200 ft.
38-14N 123-28W

0716 Leveled off at Test Depth-412 feet.
All was normal.

0816 After one hour at test depth, conducting
maneuvering and systems check, began ascent to periscope depth.
Twenty degree up angle.

0821 Periscope depth.

0825 Surfaced

0900 DIVE NO. 6
Surface Speed: 20.5 kts
Dive Time: 44 seconds
Depth: Test Depth-412 ft
Remark: 'Fast' dive to test depth from surface, made
at flank seed and 25 degree down angle.

0902 Passed thermal layer at 197 ft.
38-15N 123-29W

0904 Leveled off at test depth of 412 ft.
Conducted maneuvers and systems checks.

1040 Ordered periscope depth.

1046 Periscope depth

1055 Surfaced

1108 DIVE NO. 7
Surface Speed: 19 kts
Dive Time: 40 seconds
Depth: 412 ft
Remark: 'Crash Dive' from surface to Test Depth.

1112 Leveled off at test depth-412 ft.

1130 Emergency Surface! (DRILL) Blew Ballast at 412 ft depth.
Maximum up angle, all ahead flank.

1132 Surfaced. Twenty two percent of compressed air expended.

1147 DIVE NO. 8
Trim dive to 90 ft.

1200 Periscope depth. Raised SD mast to check function.
Functioned properly.

1210 Surfaced.

1212 Secured GQ. Commenced battery recharge, compressed air replemishment
and noon meal. Deep submergence dives scheduled for afternoon.

1300 Overcast and fog cleared. Winds 11 knots direction 156.
Light chop to seas.

1420 Called GENERAL QUARTERS. Rigged for deep submergence.

1430 DIVE NO. 9
Surface Speed: 15 kts
Dive Time: seconds
Depth: 512 ft.
Remark: Deep Dive to 512 ft, 100 ft beyond test depth.

1435 Passed Test Depth 412 ft.

1437 Passed 500 ft.

1438 Leveled off at 512 ft. No leaks
or other issues. Began manevuring and testing of equipment.

1520 JP (sound) contact bearing 341 closing medium speed, estimated range
10000 yds. Ordered periscope depth for impromptu fire control drill.

TORPEDO FIRE CONTROL DRILL NO.1

1530 Periscope depth. Spotted smoke and outline of mid sized AK bearing 010 at six miles.
on course 340. Ordered CISCO to intercept course 070 at flank speed and to depth
80 ft. All compartments reported manned and ready for torpedo firing.

1550 Periscope depth. Target on course 070 closing.

1602 Employed WCA Sonar for one ping. Target range 1450 yds.

1605: Fired simulated torpedoes from range of 1000 yds.
00

1605: Torpedo impact!
35

1605: Torpedo impact!
40

1605: Torpedo impact!
45

Three simulated impactes. A assured sinking if encounterd a similar vessel.

1615 Surfaced to topp off battery charge prior to next deep dive.

1714 DIVE NO. 10
Surface Speed: 20.5 kts
Dive Time: 45 seconds
Depth: 512 ft.
Remark: Fast Deep Dive to 520 ft. 108 ft beyond test depth.

1730 Confident in CISCO's construction, ordered slow test descent to 550 ft.

1800 CISCO at depth of 600 ft.

1805 Speed of 4.5 knts was required to maintain depth control at 600 ft.

1848 After nearly a hour of maneuvering at 600 ft, began ascent to periscope depth.

1854 Periscope depth.

1900 Surfaced.

1905 Secured GQ.

1918: Simulated SD contact range 12000 yds closing fast! (Dive Drill)
10

1918: DIVE NO.11
14 Surface Speed: 20.5 kts
Dive Time: 40 seconds
Depth: 512 ft.
Remark: 'Crash Dive' to 150 ft prompted by simulated aircraft closing on SD Radar
at dusk.

1945 Surfaced. Night orders to patrol area under simulated war patrol conditions.Any contacts were to be closed, tracked, and identified. Simulated fire control attack drills possible. Remainder of test dives scheduled for dawn following morning.

JUNE 5
_______

0856 DIVE NO.12
Surface Speed: 19 kts
Dive Time: 44 seconds
Depth: 412 ft, 512 ft.
Remark: Watch section qualification dive No.1
in heavy seas.

1025 Surfaced

1045 0856 DIVE NO.13
Surface Speed: 19 kts
Dive Time: 44 seconds
Depth: 412 ft, 512 ft.
Remark: Watch section qualification dive No.2
in heavy seas.

1145 Surfaced

1200 DIVE NO.14
Surface Speed: 19 kts
Dive Time: 42 seconds
Depth: 412 ft, 512 ft.
Remark: Watch section qualification dive No.3
in heavy seas.

1245 Surfaced.

1250 All watch sections and Battle Stations qualified for dives.
Sea Trial completed. Set course for Mare Island per orders.

1701 Arrived Mare Island Naval Shipyard, docked.

03-19-22, 02:10 PM	#5251
Bubblehead1980 Navy Seal Join Date: Apr 2009 Location: Florida USA Posts: 6,922 Downloads: 550 Uploads: 42	USS Cisco SS-290 Sea Trial 1 June 3-5 1943. U.S.S. CISCO SS-290 Operation Report of First Sea Trial ------------------------------------------------------------------------------------------------------------- PROLOGUE U.S.S CISCO SS-290, is the fifth submarine of the BALAO class constructed and was placed into commission on MAY 10, 1943, Commander James W. Coe, USN, commanding. CISCO is named for a whitefish of the Great Lakes, the only US Naval Vessel named so thus far. In the weeks following commissioning, CISCO underwent final fitting out prior to trials, including installation of a new SJ Surface search radar, twin 20mm guns forward and aft on the bridge, as well as on the aft deck. Officers CDR J.W. Coe, USN. CO CDR A.F. Weinel, USN. XO LCDR John D. Miller, USN. LT W.H. Louney, USN. LT H.B. Berry, USN. LT jg G.P. Hoover, USN. ENS C.I. Petersen, USN. CPO's Toebbe, H.E., USN. CTM (Chief of the Boat) Gurganus, A.A., USN. CTM Sunday, L.W., USN CBM Anderson, D.F., USN CMoMM Dragich, J., USN CMoMM Sheehan, C.R., USNR. CMoMM Total complement: Seven officers, Sixty-nine crew. Twenty Four MK 14 torpedoes loaded 1-2 June. Ready for sea June 2. NARRATIVE JUNE 3 _______ 0900 Underway from Mare Island, CA for training area to conduct diving drills and plot/intercept/navigation exercises. 0910 Fell in line astern of escort, ANDERSON DD 411. (Ship Contact No.1) 0940 Passed below Golden Gate Bridge. 1000 Spotted Australian flagged AK bearig 045 11000 yds. (Ship Contact No.2) 1006 Spotted PBY (Aircraft Contact No.1) 1030 Escort detached. Signaled X WELL DONE X DD replied X GOOD LUCK X 1032 Increased speed to standard (15.5 kts) 1137 (Ship Contact No.3) Spotted AK bearing 005 10500 yds. 1430 Arrived in training area. Began preparations. 1440 DIVE NO.1 Surface Speed: 15 kts Course 155 Dive Time: 45 seconds Depth: 64 ft. 1505 Surfaced. 1535 DIVE NO.2 Surface Speed: 17 kts Dive Time: 44 seconds Depth: 100 ft 1601 Surfaced 1615 DIVE NO.3 Surface Speed: 20.5 kts Dive Time: 40 seconds Depth: 150 ft Remark: Dive was a high speed 'Crash Dive' from surface to 150 feet. Time from surface ot submergence was 40 seconds. 1618 Leveled off at 150 ft. 1631 Surfaced. 1830 DIVE NO.4 Surface Speed: 20.5 kts Dive Time: 39 seconds Depth: 150 ft Remark: 'Crash Dive' 1900 Surfaced. Diving drills concluded for the day. Test and Deep Dive scheduled for following morning. JUNE 4 ______ 0500 At dawn overcast and light fog arrived with 14 knt winds direction 159. Seas had a light chop. Decided to watch weather but 0700 dive remained scheduled. 0650 Crew called to GENERAL QUARTERS. Rigged for deep submergence. 0700 DIVE NO. 5 Surface Speed: 11 kts Dive Time: 51 seconds Depth: 412 ft Remark: First Dive to Test Depth- 412 ft. Dive was slow and steady, checking all functions during descent. Initial dive angle 25 degrees down, steadied to 15 degrees 0705 Thermal layer detected at 200 ft. 38-14N 123-28W 0716 Leveled off at Test Depth-412 feet. All was normal. 0816 After one hour at test depth, conducting maneuvering and systems check, began ascent to periscope depth. Twenty degree up angle. 0821 Periscope depth. 0825 Surfaced 0900 DIVE NO. 6 Surface Speed: 20.5 kts Dive Time: 44 seconds Depth: Test Depth-412 ft Remark: 'Fast' dive to test depth from surface, made at flank seed and 25 degree down angle. 0902 Passed thermal layer at 197 ft. 38-15N 123-29W 0904 Leveled off at test depth of 412 ft. Conducted maneuvers and systems checks. 1040 Ordered periscope depth. 1046 Periscope depth 1055 Surfaced 1108 DIVE NO. 7 Surface Speed: 19 kts Dive Time: 40 seconds Depth: 412 ft Remark: 'Crash Dive' from surface to Test Depth. 1112 Leveled off at test depth-412 ft. 1130 Emergency Surface! (DRILL) Blew Ballast at 412 ft depth. Maximum up angle, all ahead flank. 1132 Surfaced. Twenty two percent of compressed air expended. 1147 DIVE NO. 8 Trim dive to 90 ft. 1200 Periscope depth. Raised SD mast to check function. Functioned properly. 1210 Surfaced. 1212 Secured GQ. Commenced battery recharge, compressed air replemishment and noon meal. Deep submergence dives scheduled for afternoon. 1300 Overcast and fog cleared. Winds 11 knots direction 156. Light chop to seas. 1420 Called GENERAL QUARTERS. Rigged for deep submergence. 1430 DIVE NO. 9 Surface Speed: 15 kts Dive Time: seconds Depth: 512 ft. Remark: Deep Dive to 512 ft, 100 ft beyond test depth. 1435 Passed Test Depth 412 ft. 1437 Passed 500 ft. 1438 Leveled off at 512 ft. No leaks or other issues. Began manevuring and testing of equipment. 1520 JP (sound) contact bearing 341 closing medium speed, estimated range 10000 yds. Ordered periscope depth for impromptu fire control drill. TORPEDO FIRE CONTROL DRILL NO.1 1530 Periscope depth. Spotted smoke and outline of mid sized AK bearing 010 at six miles. on course 340. Ordered CISCO to intercept course 070 at flank speed and to depth 80 ft. All compartments reported manned and ready for torpedo firing. 1550 Periscope depth. Target on course 070 closing. 1602 Employed WCA Sonar for one ping. Target range 1450 yds. 1605: Fired simulated torpedoes from range of 1000 yds. 00 1605: Torpedo impact! 35 1605: Torpedo impact! 40 1605: Torpedo impact! 45 Three simulated impactes. A assured sinking if encounterd a similar vessel. 1615 Surfaced to topp off battery charge prior to next deep dive. 1714 DIVE NO. 10 Surface Speed: 20.5 kts Dive Time: 45 seconds Depth: 512 ft. Remark: Fast Deep Dive to 520 ft. 108 ft beyond test depth. 1730 Confident in CISCO's construction, ordered slow test descent to 550 ft. 1800 CISCO at depth of 600 ft. 1805 Speed of 4.5 knts was required to maintain depth control at 600 ft. 1848 After nearly a hour of maneuvering at 600 ft, began ascent to periscope depth. 1854 Periscope depth. 1900 Surfaced. 1905 Secured GQ. 1918: Simulated SD contact range 12000 yds closing fast! (Dive Drill) 10 1918: DIVE NO.11 14 Surface Speed: 20.5 kts Dive Time: 40 seconds Depth: 512 ft. Remark: 'Crash Dive' to 150 ft prompted by simulated aircraft closing on SD Radar at dusk. 1945 Surfaced. Night orders to patrol area under simulated war patrol conditions.Any contacts were to be closed, tracked, and identified. Simulated fire control attack drills possible. Remainder of test dives scheduled for dawn following morning. JUNE 5 _______ 0856 DIVE NO.12 Surface Speed: 19 kts Dive Time: 44 seconds Depth: 412 ft, 512 ft. Remark: Watch section qualification dive No.1 in heavy seas. 1025 Surfaced 1045 0856 DIVE NO.13 Surface Speed: 19 kts Dive Time: 44 seconds Depth: 412 ft, 512 ft. Remark: Watch section qualification dive No.2 in heavy seas. 1145 Surfaced 1200 DIVE NO.14 Surface Speed: 19 kts Dive Time: 42 seconds Depth: 412 ft, 512 ft. Remark: Watch section qualification dive No.3 in heavy seas. 1245 Surfaced. 1250 All watch sections and Battle Stations qualified for dives. Sea Trial completed. Set course for Mare Island per orders. 1701 Arrived Mare Island Naval Shipyard, docked.