Ice Station Zebra
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:48:02
Ten feet. Twenty feet.
:48:05
Pressure ridge.
:48:09
Pressure ridge again.
:48:10
Thirty feet.
:48:27
- Sounding, 30 fathoms.
- Thick ice. Thick ice.

:48:32
Bottom is shoaling, captain,
25 fathoms.

:48:34
Thick ice. Regular overhead.
:48:36
No ridges. Constant depth.
:48:38
Still coming up, sir.
Sounding 20 fathoms.

:48:41
Pressure ridge ahead. Depth unknown.
:48:44
- All ahead, one-third.
- Thick ice.

:48:46
- Sonar, what's the heavy side of that ridge?
- Heavy on the port side.

:48:49
- Right full rudder.
- Sounding, 16 fathoms.

:48:52
- Sonar, are we clear?
- Ice close to port portside.

:48:55
Rudder amidships.
:48:57
- Rudder amidships.
- Eighteen feet. Thick ice.

:49:00
Rudder is amidships.
:49:07
Shoaling rapidly. Sounding seven fathoms.
:49:09
Shifting to feet on my scale.
:49:16
- What's our depth?
- One hundred feet.

:49:18
- Costigan?
- Thick ice.

:49:20
- How thick?
- Twelve feet, sir.

:49:22
Take her up to 70 feet.
I think we have room.

:49:24
Seventy feet. Aye, sir.
:49:36
Control, very heavy ridge ahead.
:49:38
No depth in my scope.
:49:40
Range inside of 300 yards.
Appears to extend clear across the bow.

:49:45
- All stop.
- Answering all stop.

:49:48
Sonar, disregard side search and stay
on that ridge. Keep your reports coming.

:49:52
- Sonar, aye.
- Sounding, 30 feet. Still coming up, captain.

:49:55
Sonar, I told you to keep sending reports.
:49:58
Yes, sir. Same ridge.
It is all across my forward scope area.


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