AN/SSQ-47B American Active Non-Directional Sonobuoy
AN/SSQ-47B
Active Non-Directional Sonobuoy
Other
Basic Information
Name
AN/SSQ-47B American Active Non-Directional Sonobuoy
Designation
AN/SSQ-47B
Alternate Designation
AN/SSQ-47B
Equipment Type
Active Non-Directional Sonobuoy
Manufacturer
—
Date of Introduction
1965
Description
The AN/SSQ-47B active buoy, also referred to as a ranger buoy, is the predecessor of the AN/ASQ-62 family. It automatically begins pinging upon water entry, and operates from fixed RF frequency channels at an RF power output of 1/4 Watt, depth settings being 60 or 800 feet. The sonic transmissions operate on one of six sonic frequencies in the 13.0 to 19.0 kHz band with an expected life of 30 minutes.
System
Alternative Designation
AN/SSQ-47B
Type
Active Non-Directional Sonobuoy
Size
A
Hydrophone Depth
18.3 or 244 m
Launch Conditions Altitude
152 m-3,048 m
Launch Conditions Sea State
5 (maximum)
Operating Life
30 minutes
RF Power
0.25 W
Sonar Modes
Automatic keyed CW
Sonar Channels
6 (HF)
RF Channels
12
Power Source
seawater battery
Activation Time
< 30 seconds
Scuttling Time
1-10 hours after water entry
RF Transmsiion Channels
12 fixed
Transmitter RF Power
0.25 watts minimum
Operating Depth
Selectable (60 or 800 feet)
Sonar Pulse Repetition Rate
10 seconds
Dimensions
Length
INA
Diameter
INA
Weight, Combat
9.5 kg
Image Sources
Details
Country of Origin
United States
Category
Sea Based Sensors
Naval > Sea Based Sensors
Filter Label
A
Classification
Domain
Naval & Littoral
Equipment Status
Active
Dimensions
Length
—
Width
—
Height
—
Weight
9.5 kg
Operators (7)
United Kingdom
Italy
Japan
South Korea
Spain
Netherlands
Norway
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