brochure

LandNav
Kearfott Corporation
a subsidiary of Astronautics Corporation of America
Innovative Solutions
Scalable Performance
< 1.0 mil
Ring Laser Gyros
INS/GPS
540 in3
20 lb
Proven Technologies
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Monolithic design
Compact size
High accuracy
Excellent reliability
Fiber Optic Gyros
< 1.0 mil
<128 in3
8.5 lb
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High Performance during
battlefield shock and vibration
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Flexible installation
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Configurable for platform needs
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Precision Aiming & Navigation
Kearfott Corporation
Guidance Navigation Division
1150 McBride Avenue
Little Falls, NJ 07424
(973) 785-6000
marketing@kearfott.com www.kearfott.com
INS Kit
High accuracy
Long life / Low noise
Low power consumption
Closed loop design
Accelerometers
< 5.0 mils
<58 in3
3 lb
INS Kit
Complete System or Kit
Solutions
Backup Battery
Unit (BBU)
Power Control
Unit (PCU)
Control Display
Unit (CDU)
Gunners Display
Unit (GDU) / Drivers
Display Unit (DDU)
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High accuracy
Compact size
Force rebalance design
Excellent reliability
Electronics and
Software
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Superior reliability
Embedded GPS INS
Sensor fusion algorithms
CMMI3 software process
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Vehicle Motion
Sensor (VMS)
A subsidiary of Astronautics Corporation of America
Kearfott’s Land Navigation (LandNav) Unit
Utilizing proven sensor technology Kearfott’s LandNav Product Family provides accurate
aiming and navigation capabilities
System Characteristics
Size (cubic inches)
Weight (lbs.)
Power (watts)
LandNav -16
540
< 16
<30 @ 28 Vdc
LandNav -24
540
< 20
<30 @ 28 Vdc
Land Kit-16
58
3.0
<30 watts
+15 V, -15 V, +5 V
Land Kit -24
128
8.5
<30 watts
+15 V, -15 V, +5 V
>30 g’s
Unlimited
> 30 g’s
Unlimited
> 30 g’s
> 30 g’s
Unlimited
Unlimited
> 10,000
-40°C to +55°C
RS-422, RS-232, MIL-STD-1553
> 10, 000
-40°C to +55°C
RS-422, RS-232, MIL-STD-1553
Operational Ranges
Acceleration (g)
Attitude (Roll, Pitch, Azimuth)
Attitude Acceleration
Temperature (°C)
(°/s2)
Interface
> 10,000
> 10,000
--40°C to 55°C
-40°C to 55°C
RS-422, RS-232
RS-422, RS-232
Navigation/Attitude Performance
LandNav-16
LandNav-24
Land Kit -16
Land Kit-24
GPS/INS Position Accuracy (CEP)
10 m
10 m
10 m
10 m
INS/VMS Position Accuracy (CEP)
0.55 % DT
0.25 % DT
0.55 % DT
0.25 % DT
GPS/INS Altitude (RMS)
10 m
10 m
10 m
10 m
INS/VMS Altitude (RMS)
< 0.15 % DT
< 0.067 % DT
< 0.15 % DT
< 0.067 % DT
Heading Accuracy (RMS) 15 min Align
< 5 mils
< 1 mil
< 5 mils
< 1 mil
Pitch and Roll Accuracy (RMS)
0.5 mils
0.5 mils
0.5 mils
0.5 mils
Information contained herein is for reference only; Specifications are subject to change.
GPS – Global Positioning System
INS – Inertial Navigation System
VMS – Vehicle Motion Sensor
CEP – Circular Error Probable
RMS – Root Mean Squared
DT – Distance Traveled.
Guidance and Navigation Division
1150 McBride Ave
Little Falls, NJ 07424
marketing@kearfott.com
(973) 785-6555 www.kearfott.com
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A subsidiary of Astronautics Corporation of America