The Sea Zenith mounts can elevate +127 deg., which is makes it very effective against ASuW missiles that pop-up in the terminal phase.
CHARACTERISTICS<br />
Weight<br />
search radar module<br />
antenna group 1,146 lb (520 kg)<br />
below decks 3,175 lb (1,440 kg)<br />
tracking module<br />
mount 2,976 lb (1,350 kg)<br />
below decks 4,079 lb (1,850 kg)<br />
gun mount<br />
above deck 9,700 lb (4,400 kg)<br />
below decks 5,930 lb (2,690 kg)<br />
Dimensions<br />
search radar module<br />
width 8 ft 6 1/2 in (2.60 m)<br />
depth 4 ft 9 1/2 in (1.46 m)<br />
height 6 ft 9 1/2 in (2.07 m)<br />
tracking module<br />
width 6 ft 9 1/2 in (2.07 m)<br />
depth 6 ft 4 in (1.93 m)<br />
height 6 ft 9 in (2.06 m)<br />
gun mount<br />
width 8 ft 5 in (2.57 m)<br />
depth 11 ft 3 in (3.44 m)<br />
height<br />
max above deck (depending on mount)<br />
0 elevation 8 ft 5 in (2.57 m)<br />
zenith elevation<br />
14 ft 6 in (4.42 m)<br />
below deck area 102.3 sq ft (9.5 sq m)<br />
Armament<br />
bore 25 mm/92-cal, rifled<br />
barrel length without muzzle brake<br />
7 ft 5 1/2 in (2.30 m)<br />
recoil length<br />
forward 0.43 in (11 mm)<br />
backward 1.34 in (34 mm)<br />
elevation -14/+127 deg<br />
speed 2.5 rad/sec<br />
acceleration 10 rad/sec<br />
traverse 170 deg to each side<br />
speed 2.5 rad/sec<br />
acceleration 10 rad/sec<br />
Performance<br />
rate of fire 3,400 rpm, maximum<br />
muzzle velocity<br />
AMDS 4,445 fps (1,355 mps)<br />
HEI, TP 3,806 fps (1,160 mps)<br />
time of flight to 1,093 yds (1,000 m)<br />
AMDS 0.78 sec<br />
time of flight to 2,187 yds (2,000 m)<br />
HEI 2.4 sec<br />
max effective range 1,640 yds (1,500 m)<br />
ammunition system capacity<br />
1,660 rounds<br />
AMDS projectile<br />
weight 5.5 oz (156 g)<br />
length 11.3 in (288 mm)<br />
Fire Control<br />
G-band (5.4-5.9 GHz) dual-beam search radar<br />
peak power 49 kW<br />
max gain<br />
low beam 29.5 dB<br />
high beam 26 dB<br />
rotation rate 60 rpm<br />
J-band (15.7-17.5 GHz) tracking radar,<br />
peak power 85 kW<br />
beam width 19 mrad<br />
FLIR<br />
spectral waveband 8 to 13 microns<br />
field of view 3 by 2 deg<br />
Nd:YAG laser rangefinder<br />
spectral waveband 1.06 microns<br />
pulse length 13 nanoseconds<br />
Protection<br />
unmanned mount
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