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MIL-C-81861 Control, Depth, Torpedo C-7821/AThe equipment covered by this specification shall be for airborne use and shall provide for inflight manually selecting depth settings of the Mk 44 Mod 0 or Mod 1 Torpedo or the search depth and ceiling settings of the Mk 46 Mod 0 or Mod 2 Torpedo prior to their release from the carrying aircraft. In addition, the equipment shall be capable of selecting the SNAKE mode gyro settings of the Mk 46 Mod 1 and the HATS mode gyro settings for the Mk 46 Mod 2 Torpedos. Also, a visual indication that the torpedo setting matches the selected setting shall be provided.

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MIL-C-81861 (AS)
Controls.  The equipment shall contain the following controls which
3.5.1.1
shall be access the operator:
3.5.1.1.1 Mk 46 Ceiling/Mk 44 Floor control.  A 12 Position, 30° detent rotary
switch shall be used for selecting the Mk 46 CEIL, Mk 46 SNAKE Mk 46 HATS, or Mk 44
FL. The settings shall appear as panel markings and be located as follows:
Location from
12:00 O'Clock Position
Setting
Counterclockwise
75°
HATS
Mk
46
Counterclockwise
45°
SNAKE
Mk
46
O
Counterclockwise
150
P20
Mk
46
15°
Clockwise
P50
Mk
46
45°
Clockwise
A20
Mk
46
0
75
Clockwise
A50
Mk
46
Counterclockwise
105°
OFF
Mk
44
Counterclockwise
135°
150
Mk
44
Counterclockwise
165°
250
Mk
44
165°
Clockwise
450
Mk
44
135°
Clockwise
650
Mk
44
105°
Clockwise
900
Mk
44
3.5.1.1.2 Mk 46 Search Depth/MK 44 Initial Search Depth. A 12 position, 30°
detent, rotary switch shall be used for selecting the Mk 46 SRCH DEPTH or Mk 44 ISD
settings.  The setting shall appear as panel markings and be located as follows:
Location from
12:00 O'Clock Position
Setting
Counterclockwise
75°
125
Counterclockwise
45°
275D
Counterclockwise
15°
275
15°
Clockwise
500
45°
Clockwise
750
75°
Clockwise
1000
Counterclockwise
105°
50
Counterclockwise
135°
150
Counterclockwise
165°
250
165°0
Clockwise
450
1350
Clockwise
65
105
Clockwise
900
3.5.1.1.3 Mk 46 Gyro. A 12 position, 30° detent, rotary switch shall be used
for selecting the Mk 46 gyro settings. The setting from PORT 95° to STBD 95° shall
be marked Mod 2 ONLY and shall require that the switch must be pulled to enter these
positions. The settings shall appear as panel markings and be located as follows:
6



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© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business

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