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GE AVIATION
9181 Series Inertial Reference Unit

9181 Series Inertial Reference Unit

Product catalog summary

Overview: The 9181 Series Inertial Reference Units (IRU) by GE Aviation are designed for tactical applications requiring 3-5 MIL performance, including assured Position, Navigation, and Timing (PNT) and mobile SATCOM antenna pointing. These units are suitable for land, maritime, and airborne applications, with over 5,300 units deployed globally.

Specifications: The IRUs are available in two models: Standard and Enhanced. Both models offer 3-5 MIL performance, with the Enhanced model providing additional interfaces and faster update rates. Key features include static and dynamic alignment capabilities, GPS-aided navigation, and high-accuracy pitch, roll, and heading information.

Features:

Static alignment in 3-5 minutes and dynamic alignment in 1-3 minutes.
Embedded military SAASM GPS or commercial GPS receivers.
Standard data ports include RS-422, RS-232, and Ethernet, with optional interfaces like ARINC 429 and MIL-STD-1553.
Future enhancements include M-Code and GNSS solutions.

Technical Specifications:

Static alignment heading accuracy: 3-5 MILS RMS.
Dynamic alignment heading accuracy: 2 MILS RMS.
Position accuracy with GPS: 10 meters CEP.
Position accuracy without GPS: 0.25-0.5% of distance traveled RMS.
Operating temperature: -32°C to 60°C.
Power consumption: 16W-21W depending on the model.

Model Specifics: The IRUs come in various models with different embedded GPS options and export classifications. The Standard IRU models include 9181C, 9181E, 9181G, and 9181J, while the Enhanced IRU models include 9181D, 9181F, 9181H, and 9181K. Each model varies in size, weight, and connectivity options.

Applications: These IRUs are versatile and can be used in various operating modes, including land, airborne, and seaborne environments, depending on the model.

Catalog excerpts

9181 Series Inertial Reference Unit Tactical inertial reference unit for 3-5 MIL performance applications including Assured PNT and mobile SATCOM antenna pointing 9181 Series Inertial Reference Units (IRU) provide navigational grade 3-5 MIL performance for platform navigation, system stabilization, and pointing applications. This IRU is based on a proprietary inertial gyroscope technology that reduces size, weight, power, and cost (SWaP-C) when compared to units with similar performance. GE Aviation's IRUs are utilized on land, maritime, and airborne applications; with over 5,300 units fielded worldwide. This product family is scalable to customer's specific needs. Standard IRU: compact unit that has 3-5 MIL performance, RS-422 interfaces, SAASM or commercial GPS Enhanced IRU: slightly larger unit that has 3-5 MIL performance, expanded interfaces (like Ethernet), SAASM or commercial GPS, faster update rate, and spare processing Features • Ability to statically align in 3 to 5 minutes and navigate in GPS-denied environment providing assured Position, Navigation, and Timing (A/PNT) • GPS-aided dynamic alignment within 1 to 3 minutes • Standard or enhanced microprocessors • Embedded military Selective Availability Anti-Spoofing Module (SAASM) GPS or embedded commercial GPS receivers • Standard data ports include RS-422, RS-232, and 10/100 Ethernet • Optional interfaces include ARINC 429, MIL-STD-1553, and others upon request • High-accuracy continuous pitch, roll, true heading (non-magnetic), location, targeting information in any environment • Future enhancements include M-Code and Global Navigation Satellite System (GNSS) solutions

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Operating modes Land Land, Airborne Land Land, Seaborne, Airborne **Varies - contact GE Aviation to confirm Export Classification for each individual part number GE Avionics Systems GE Aviation 3290 Patterson Avenue SE Grand Rapids, MI 49512 U.S.A. P: +616 430 0101 E: [email protected] © 2017 GE Aviation Systems, LLC - All Rights Reserved GE Aviation Systems, LLC is a subsidiary of the General Electric Company. The GE brand and logo are trademarks of the General Electric Company. Information is subject to change without notice. All values are design or typical values when...

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9181 Series Inertial Reference Unit

9181 Series Inertial Reference Unit

Catalog excerpts

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